Question1: The network is shown in the figure below. The following statementcorrectIs there? () (Multiple Choice Questions)
Question2: The configuration of the country code will affect the frequency used for actual transmission and the maximum transmission power. ()
Question3: Refer to the following display vlan command output on SWA. Which of the following interfaces can forward untagged data frames from VLAN 40?
Question4: Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ().
Question5: On the network shown in the figure, host A logs in to router A through Telnet and obtains the configuration file of router B through FTP on the remote CLI. How many TCP connections exist on router A?
Question6: The role of the OSPF protocol is
Question7: When planning a campus network, which of the following mask lengths is recommended for device interconnection IP addresses?
Question8: As shown in the figure, two hosts realize communication between TAs through single-arm routing. When the G0/0/1.2 sub-interface of RTA. receives the data frame sent by host B. to host A., RTA. will execute which of the following Operation? ()
Question9: By default, what is the RouterDeadInterval of the OSPF protocol on the broadcast network?
Question10: An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.1.00.0.254.255*
Question11: Does the WEP security policy support the use of TKIP for data encryption?
Question12: Which SNMP version focuses on two main aspects, namely security and administration? The security aspect is addressed by offering both strong authentication and data encryption for privacy. The administration aspect is focused on two parts, namely notification originators and proxy forwarders.
Question13: DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts automatically. The messages used are ()
Question14: On an STP-enabled switch, a port in the Learning state can transition to the Forwarding state only after the Forward Delay timer expires.
Question15: With what kind of routers does a DRother router exchange link state information and route information?
Question16: What is the protocol number of OSPF at the network layer?
Question17: What is the main function of the DHCP DISCOVER message? ()
Question18: ip route-static.10.0.2.2255.255.255.25510.0.12.2 preference20, the correct statement about this command is ()
Question19: If the broadcast address of a network is 172.16.1.255, which of the following addresses is the network address?
Question20: After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
Question21: As specified by the RSTP protocol, when a root port fails, which type of port will function as a new root port and enter the forwarding state without any delay?
Question22: The Management Information Base (MIB) (Management Information Base) is a virtual database that only exists on the NMS. ()
Question23: Which field of the ipv6 packet header can be used for QoS? ()
Question24: The controller is the core component of SDN. The controller is connected to the device through the southbound interface. The following is missing from the controller southbound agreement? ()
Question25: Which of the following is not a type of OSPF LSA?
Question26: Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()
Question27: Is there any correct statement about the TTL field in the IPv4 header? ()
Question28: In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*
Question29: After the administrator performs the configuration shown in the figure on a router, which of the following commands can be used to specify a short lease for addresses assigned using DHCP?
Question30: What is the port number used by the FTP protocol control plane?
Question31: For multiple paths to the same destination network, the router needs to select by comparing the magnitude of the Prererence value. If the Preference is the same, the router selects according to the magnitude of the Cost value. ()
Question32: By default, the bridge priority of Huawei switches is 32768.
Question33: The router uses the sub-interface as the gateway of the host, and the P address of the gateway is 10.0.12.2.
Which of the following commands can achieve this requirement? ()
Question34: If during the PPP authentication process, the authenticatee sends the wrong user name and password to the authenticator, what type of message will the authenticator send to the authenticatee? ()
Question35: All ports on the root bridge switch are designated ports. ()
Question36: The Backup port in RSIP can replace the failed root port. ()
Question37: At what percentage does the DHCP client send the lease renewal message for the first time? ()
Question38: The users who log on the router through Telnet are not permitted to configure an IP address. What is the possible reason?
Question39: The router that runs OSPF first enters the Full state and then synchronizes the LSDB.
Question40: When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()
Question41: Which of the following IPv4 addresses is a class A address? ()
Question42: Which of the following statements about VLANIF interfaces are correct? ()
Question43: The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)
Question44: As shown in the figure below. All hosts can communicate normally. Which of the following statements are correct? () (Multiple Choice Questions)
Question45: Which of the following networks are LANs?
Question46: Dynamic routing protocols can automatically adapt to network topology changes.
Question47: The network shown in the figure below. The network where host A is required to access the Internet through Easy IP, then which of the following ACLs should be used on the G0/0/3 interface of router A? () (Single- choice question)
Question48: As shown in the figure below, are the following statements correct? () (Multiple Choice Questions)
Question49: Is there any correct statement about the shortcut keys of the VRP operating platform? ()*
Question50: For STP, the default root path cost of the root bridge is 0.
Question51: The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch and the MAC address are compared at the same time.
Question52: Which of the following statements are correct for the MAC address of the existing switch? ()
Question53: If the broadcast address of a network is 172.16.1.255, what might its network address be? ()
Question54: What is used as the data link-layer MAC address that identifies each VAP on an AP?
Question55: The network management workstation manages network devices through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SHMP message will the network management workstation receive? ()
Question56: System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()
Question57: Which of the following descriptions about Trunk port and Access port are correct ()
Question58: Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not enabled on the sub-interface of R1,The administrative department and the financial department can also visit each other. ()(True or False)
Question59: Which of the following statements about the edge port in the RSTP protocol is correct? ()
Question60: STA. The only way to discover the wireless network is the Beacom frame sent by the AP. ()
Question61: The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? ()*
Question62: What elements can NAPT transform? ()
Question63: Which of the following statements about IPv6 address configuration are correct? ()*
Question64: As shown in the figure below. Router A has passed the IP address 10.0.12.2 Telnet Router B.
Which of the following operations on the current interface will cause the Telnet session between Router A and Router B to be interrupted? () (Multiple Choice Questions)
Question65: What is the IEEE802.11 standard corresponding to Wi-F16? ()
Question66: What are the network types supported by the OSPF protocol? ()*
Question67: VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configurations and set commands but cannot operate the file system?
Question68: Which of the following network parameters can be allocated using DHCP?
Question69: The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch is compared with the MAC address at the same time. ()
Question70: Regarding the configuration shown in the figure, which statement is correct? () (Single-choice question)
Question71: When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?
Question72: Which of the following IPv4 addresses the host uses cannot directly access the Internet? ()
Question73: In a broad sense, the transmission medium that constitutes the wireless local area network wlan does not include? ()
Question74: You can run the user-interface maximum-vty command to configure the maximum number of users who can log in to the device through Telnet simultaneously.
Question75: By default, what is the period for sending 0SPF HELLO packets on the broadcast network? ()
Question76: Which of the following does not include the advantages of Wi-Fi6 compared to Wi-Fi5? ()
Question77: On the network shown in the figure, router A adopts link aggregation in manual load balancing mode, and G0
/0/1 and G0/0/2 are added to link aggregation group (LAG) 1. Which of the following statements is false about Eth-Trunk 1 on router A?
Question78: The static MAC. address table will not be lost after the system restarts ()
Question79: About the above configuration command is correct ()
Question80: Which of the following statements are true about the dynamic MAC address table?
Question81: Network as shown in the picture. The administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. In the interface configuration of G0/0/1, which ACL rule needs to be bound to trattie-frilter outbound?
Question82: The network administrator configures the RTA on the Huawei router as shown in the figure. If a user needs to be authenticated in the authentication domain "huawei", which of the following descriptions is correct? () (Single-choice question) (RTA) aaa (RTA-aaa) domain huawei (RTA-aaa-doaain huavei) authentication -schene au1 (RTA-aaa-dogairhuavel) authenticIcation-schene au2
Question83: In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()
Question84: The IPv6 protocol uses NS and NA. packets for duplicate address detection ().
Question85: Which of the following protocols can be used to prevent Layer 2 loops on a campus network?
Question86: The routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
Question87: Which statement about the dynamic AC. address table is correct?
Question88: Which of the following commands can change the device name to huawei? ()
Question89: Which of the following is a link-state routing protocol?
Question90: The broadcast address is a special address that all the host bits in the network address are set to, and it can also be used as a host address. ()
Question91: Which of the following applications is based on the TCP protocol?
Question92: The administrator has configured the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question)
Question93: Which of the following statements about Adjacency Segment is wrong? ()
Question94: When the Access type port sends a message, it will ().
Question95: If the largest number in an ACL rule is 12, by default, the user does not specify a number when configuring a new rule, then the number assigned to the new rule by the system is? ()
Question96: When building a campus network, which of the following protocols can be used to avoid Layer 2 loops? ()
Question97: As shown in the figure. When the router uses the 0#PF protocol at the same time. Which BDR is in this network? () (Single-choice question)
Question98: Which of the following features does the OSPF protocol have? ()*
Question99: The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation, and all interfaces are added to the link aggregation group. At the same time, set the maximum number of active ports to 3. Then which port of switch A is not an active port ? () (Single-choice question)
Question100: Which of the following commands is used to configure the country code on an AC?
Question101: As shown in the following figure, in the switching network, all switches are running the stp protocol. When the topology is stable, which of the following switches can be used to modify the BPDU sending cycle. Can it affect the SWD configuration BPDU sending cycle? () (Single-choice question)
Question102: The load balancing modes at both ends of an Eth-Trunk can be different.
Question103: What elements can NAPT convert? ()
Question104: Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions? ()
Question105: The following two configuration commands can implement router RIA. The route to the same destination
10.1.1.1.0 is active and standby:
Question106: Which WLAN security policies support the 0pen link authentication method? ()
Question107: The output information of the STP port of a certain switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
[Huawei]display stp interface Ethernet 0/0/1
-------[CIST Global Info][Mode STP]-------
CIST Bridge: 32768.4c1f-cc46-4618
Config TimesHello 4s MaxAge 20s FwDly 15s MaxHop 20
Active Times:Hello 2s MaxAge 20s FwDly 15s MaxHop 20
CIST Root/ERPC:0.4c1f-ccf7-3214/200000
CIST RegRoot/IRPC: 32768.4c1f-cc46-4d18/0
Question108: If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host?
Question109: In the RSTP protocol, when the edge port receives the configuration BPDU message, it loses the edge port attribute.
Question110: What is the length of the basic IPv6 header in bytes? ()
Question111: SNMPv1 defines five protocol operations. ()
Question112: Which of the following sources of routes can be obtained by a router?
Question113: The following figure shows the routing table of a router. When the router receives a data packet with a destination IP address of 9.LL, the router will forward it according to the route of 91.0.016 because the mask length of this route is longer. ()
Question114: Which of the following statements about RA. and RS in IPv6 are correct? ()
Question115: Which of the following methods can be used to add APs on an AC?
Question116: A company applies for a C. IP address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments, so the subnet mask should be set. for()
Question117: When an AP and an AC are located on different Layer 3 networks, which of the following methods is recommended for the AP when discovering the AC?
Question118: Which of the following statements about the output on the router R1 shown in the figure is false?
Question119: As shown in the figure, is the description of this network topology correct? () (Single-choice question)
Question120: Which of the following statements about Iv6 address configuration are correct? ()*
Question121: Which of the following statements about link aggregation are correct? ()
Question122: Which of the following OSPF versions is suitable for IPv6?
Question123: By referring to the network structure and OSPF areas shown in the figure, it can be determined that all routers on the network except RTA are ABRs.
Question124: The network shown in the figure below assumes that all routers can enable OSPF at the same time. Which router is the DR in this network? () (Single-choice question)
Question125: On VRP, the command lines are classified into four levels in increasing priority: Visit level, Monitoring level, Configuration level, and Management level. At which level, the operator is permitted to configure service but is not permitted to operate the file system?
Question126: What kind of network equipment can host A and host B use to achieve communication?
Question127: What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
Question128: A DHCP server is deployed on the network, but the administrator finds that some hosts have not correctly obtained the addresses specified by the DHCP server. What are the possible reasons? (Multiple Choice Questions)
Question129: How many port states are involved in RSTP?
Question130: As shown in the figure, the G0/0/0 and G0/0/1 interfaces of RTA are connected to two different network segments. RTA is the gateway of these two networks. Before host A sends data to host C, will it send an ARP Request to obtain O's MAC address? () (Single-choice question)
Question131: Which of the following IPv6 addresses is a multicast address? ()
Question132: Which of the following fields does the MPLS header include?
Question133: VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be deleted.
Question134: The network as shown in the figure.
Which of the following configurations can realize that Host A cannot access the HTTP service of Host B.
Host B cannot access the FTP service of Host A? () (Multiple Choice Questions)
Question135: On the VRP platform, the default protocol priority of routes in the direct route, static route, RIP.OSPF area, from high to low, is ()
Question136: Which of the following networks belong to a local area network? ()
Question137: The administrator hopes that RTA. uses static routing and preferentially sends data packets to RTB's Loopback0 interface through G0/0/1 port, while G0/0/2 is used as a backup. How to configure on RTA to achieve this requirement ()
Question138: The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge IDs will be the root bridge? ()
Question139: 192.168.1.127/25 represents () address ()
Question140: What is the function of the command port trunk allow pass vlan all? ()
Question141: Which of the following IEEE802.11 standards does not support the 5GHz frequency band for communication? ()
Question142: The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()?
(Multiple Choice Questions)
Question143: IPCP dynamic address negotiation can automatically obtain the address()
Question144: In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information?
Question145: In the VRP interface, use the command delete vrpcfg.zip to delete a file. The file must be emptied in the recycle bin to completely delete the file. ()
Question146: Ethernet_I containing the Ethernet headerIWhat is the length of the frame? ()
Question147: How many bytes are there in a basic IPv6 header?
Question148: An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.2.00.0.254.255
Question149: What is the maximum negotiation rate supported by the IEEE802.11g standard? ()
Question150: Network Address and Port Translation (NAPT) allows multiple private IP addresses to be mapped to the same public IP address through different port numbers. Which of the following statements about port numbers in NAPT is true?
Question151: VRP supports OSPF multi-process. If the process number is not specified when OSPF is enabled, the process number used by default is ().
Question152: Which of the following statements is true about the Forward Delay timer of STP?
Question153: What is the protocol of the Router Advertisement (RA) packet, which is used in IPv6 stateless address auto- configuration?
Question154: The change of the Router ID of the OSPF process takes effect immediately.
Question155: In order to realize the network layer function on the VLANIF interface, do you need to configure it on the VLANIF interface? ()
Question156: As shown in the figure, host A and host B want to implement inter-VLAN communication through single-arm routing. What configuration should be done under the G0/0/1.1 interface of RTA?()(Single-choice question)
Question157: The basic header length of IPv6 packets is a fixed value ()
Question158: On Huawei equipment, if AAA authentication is used for authorization, when the remote server does not respond, authorization can be performed from the network equipment side ()
Question159: OSPF Router ID. It must be the same as the IP address of an interface on the router.
Question160: The following statement about static routing in Huawei equipment is wrong ().
Question161: At what layer of the OSI reference model does a router operate? ( )
Question162: Which of the following descriptions about firewalls is wrong? ()
Question163: The TCP protocol uses the three-way handshake mechanism to establish and disable connections. Therefore, TCP supports reliable data transmission.
Question164: Which of the following messages does the AP use to request the software version from AC.? ()
Question165: What is the total length of the VLAN frame format defined by IEEE802.1Q? ()
Question166: The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this is.
Question167: Which of the following statements about IPv6 RA. and RS messages are correct? ()
Question168: After OSPF is configured on the two routers, the administrator configures commands on RTA. Which of the following descriptions is correct? ()
Question169: Network devices running SNMP can proactively report traps to help network administrators detect faults in a timely manner.
Question170: All interfaces of routers running 0SPF protocol must belong to the same are a. ()
Question171: Which of the following statements about the S field in the MPLS packet header are correct? ()*
Question172: What is the value of the Type field in the RStp configuration BPDU message? ()
Question173: By default, it takes at least 30s for the port status in the STP protocol to change from Disable D. to Forwarding status. ()
Question174: According to the command shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Question175: Which of the following commands can switch a view from the system view to the user view?
Question176: The following two configuration commands can realize the master and backup backup of the router RIA to the same destination 10.1.1.0.
Question177: An administrator wishes to manage the router in the remote branch office, which method can be used?
Question178: There are hosts in a private network that need to access 1nternet. In order to achieve this requirement, which of the following configurations should be done by the administrator on the edge router of the network? ()*
Question179: When two OSPF routers form a 2-WAY neighbor relationship, LSDB. has been synchronized. ()
Question180: Which of the following is the full name of VRP?
Question181: The correct statement about the transport layer protocol is ()
Question182: If the application-layer protocol is Telnet, what is the value of the "Protocol" field in the IPv4 header?
Question183: If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
Question184: Telnetlib is a module that implements the Telnet protocol that comes with Python.
Question185: What are the stable states of OSPF neighbor relationship? ()*
Question186: Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()
Question187: Telnet.read in TelnetliB._The role of all() is to read all data until EOF. If the echo does not return EOF, it will always block ()
Question188: Which of the following statements about switches is false?
Question189: The IPv6 address 2001: ABEF:2240E:FFE2:BCC0:CD0:DDBE:8D58 cannot be abbreviated. ()
Question190: What is the priority value of the direct route entry? ()
Question191: The network shown in the figure below. Two switches are connected by four links. COPPER refers to electrical interface and FIBER refers to optical interface. Then which two interfaces can realize link aggregation? () (Single-choice question)
Question192: As shown in the figure. All four switches are running $TP. Various parameters are set to default values. If the GO/0/2 port of switch C is blocked and cannot send configuration BPDUs through this port, how long will it take for the blocked port in the network to enter the forwarding state? () (Single-choice question)
Question193: The function of the 0SPF hel1o message is ()
Question194: A company has 50 private P addresses, and the administrator uses NAT technology to connect the company's network to the public network, but the company has only one public network address and is not fixed. Which of the following NAT conversion methods meets the requirements? ()
Question195: Which of the following port states is not included in Rapid Spanning Tree Protocol (RSTP)?
Question196: The vty distribution responsibility is shown in the figure, and the user authority level is set to level 3. ()
#Huavei#user-interface vty o 14 Huavei-ul-vtyo-14acl 200o inbound Huavei-ui-vtyo-14Juser privilegelevel 3
#Huavei-ui-vtyo-14#authentication-node passworD.Please Configure the login passvord (maxiu length 16):
huavei
Question197: If the network address of a network is 10.1.1.0/30, what is its broadcast address? ()
Question198: The IP addresses of the VLANIF interfaces of the same switch cannot be the same. ()
Question199: As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)
Question200: The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue the configuration ()
Question201: In order to realize the launch of FIT AP, FIT AP first needs to obtain the IP address of AC. Which of the following is not included in the way FITAP obtains the IP address of AC.? ()
Question202: Which information of the data frame is used by the interface to determine whether to forward Layer 2 or Layer 3 forwarding? ()
Question203: An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs, then the role of the port should be ().
Question204: When the FIT AP goes online, the software version will be downloaded from AC.
Question205: Among the following commands for configuring the default route, the correct one is ()
Question206: Which of the following features does the default VLAN in the Layer 2 Ethernet switch have? ()*
Question207: Refer to the following commands run on GigabitEthernet0/0/1 and GigabitEthernet0/0/2. Which of the following statements are true?
Question208: Using a traditional landline to make a call is a way of network communication. ()
Question209: The router needs to modify the destination IP address in the data packet when forwarding the data packet.
Question210: Which of the following parameters cannot be used for advanced access control lists? ()
Question211: Which of the following statements is true about root bridge election in STP?
Question212: In the history of WLAN development, which of the following is not included in the main wireless protocol standards in the primary mobile office era? ()
Question213: Which of the following statements about IPv6 anycast addresses are correct? ()*
Question214: The administrator made the configuration on the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question) ip pool pooll netyork10.10.10.0ask255.255.255.0 gateway-list 10.10.10.1
Question215: Which of the following refers to network communication? ()*
Question216: In STP, the bridge ID on the switching network is as follows. With which of the following bridge IDs is the switch selected as the root bridge?
Question217: Which of the following statements is correct for the ACL configured in the Telnet application? ()
Question218: As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-
98ec-f011, which of the following descriptions is correct? () (Single-choice question)
Question219: Which of the following parameters is not contained in STP configuration BPDUs?
Question220: Which of the following parts compose SNMP?
Question221: When a switch port receives a frame that does not carry a VLAN tag, it must add a PVID to the frame.
Question222: ifoneLength/Type = 0X8100 taught by the Ethernet data, which of the following is correct? ()
Question223: What is the main function of the dynamic routing protocol? ()
Question224: The network shown in the figure below. The administrator wants RTA to use a static router. Priority is given to sending data packets to RTB's LoopbackO interface through G0/0/1 port. At the same time, G0/0/2 is used as a backup. Then any configuration on RTA can be Realize this requirement? () (Single-choice question)
Question225: The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
#Huawei#display mac address
MAC address table of slot 0:
MAC Address VLAN/PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489 9811 0b49 1 Eth0/0/3 static 0/
Total matching items on slot 0 displayed =1
MAC address table of slot 0:
MAC Address VLAN/ PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489-989d-1d30 1 Eth0/0/1 dynamic 0/-
5489-9885-18a8 1 Eth0/0/2 dynamic 0/-
Total matching items on slot 0 displayed #2
Question226: 1/128 is the IPv6 loopback address ()
Question227: What is the value of TPID. defined by IEEE802.1Q? ()
Question228: The link aggregation interface can only be used as a Layer 2 interface.
Question229: On Huawei AR G3 Series routers, which authentication modes does AAA support?
Question230: As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. ()(True or False)
Question231: SDN requires the control and forwarding planes to be separated.
Question232: By default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? ()
Question233: On the VRP CLI, files cannot be permanently deleted using the delete or delete /unreserved command. To permanently delete them, you need to delete the files in the recycle bin.
Question234: In the WLAN network architecture, terminal devices that support the 802.11 standard are called? ()
Question235: NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based way. ()
Question236: Compared with the IPv4 packet header, which field is added to the IPv6 packet? ()
Question237: Which of the following WLAN security policies support open link authentication?
Question238: Only the WPA2-PSK security policy supports TKIP data encryption.
Question239: Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ()
Question240: The following is the statement about the election of active ports in link aggregation LACP mode. the correct one is? ()
Question241: The network is shown in the figure below. Switch configuration information is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
Question242: In the wLAN network architecture, terminal devices that support the 802.11 standard are called? ()
Question243: On the network shown in the figure, Host A and Host B cannot communicate with each other.
Question244: In the network shown in the figure below, there are the following configurations in Router A. Which of the following statements is correct?
ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP
Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70
Question245: The network administrator hopes to be able to effectively use the P address of the 192.168.176.0/25 network segment. Now that the company's marketing department has 20 hosts, which of the following address segments is best allocated to the marketing department? ()
Question246: As shown in the broadcast network. 0SPF runs on four routers. And in the same area. Same network segment.
OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. ()(True or False)
Question247: The network shown in the figure. Which of the following configurations can realize that the host A can access the Internet, but the host B can not? (ABCD) (Multiple Choice Questions)
Question248: How to enter in the vP operating system OView of SPF area 0? ()*
Question249: The following figure shows the display interface Eth-Trunk 1 command output on a switch. Which of the following commands can be used to delete Eth-Trunk 1?
Question250: In the OSPF protocol, the correct one in the following description of DR is (). ()*
Question251: The Priority field in a VLAN tag can be used to identify the priority of a data frame. What is the value range of the field?
Question252: Which of the following statements is correct? ()
Question253: Users cannot configure VLAN ID. to 0. ()
Question254: The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally. What are the possible reasons for the following items? ()
Question255: Which of the following fields is not included in the HELL0 packet of the OSPF protocol?
Question256: telnetlib is a module provided by Python to implement the Telnet protocol.
Question257: The subnet mask of a network segment 150.25.0.0 is 255.255.224.0, then () is a valid host address in this network segment. ()
Question258: The following figure shows the display interface Eth-Trunk 1 command output on SWA. In the MAC address table of SWA, which of the following interfaces maps the MAC address of SWB?
Question259: The following description of the Layer 2 Ethernet switch is incorrect ().
Question260: The information shown in the figure is the port status information displayed on a switch running STP.
According to this information, what is wrong in the following description? () (Single-choice question)
Question261: Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()
Question262: When the host accesses the web service of the server, the value of the "Protocol" field at the network layer is
6.
Question263: The topology shown in the figure and the configuration on the interconnection ports of the switch. Can it be judged that the data frame tagged as VLAN10 can be forwarded normally between the two switches? ()(True or False)
(LSW1) interface GigabitEthernet 0/0/1
(LSW1-GigabitEthernet0/0/1) port link-type trunk
(LSW1-GigabitEthernet0/0/1) port trunk pvid vlan 20
(LSW1-GigabitEthernet0/0/1) port trunk allow-passvlan 10
#
(LSW2) interface GigabitEthernet 0/0/1
(LSW2-GigabitEthernet0/0/1) port link-type trunk
(LSW2-GigabitEthernet0/0/1 port trunk pvid vlan 10
(LSW2-GigabitEthernet0/0/1) port trunk allow-passvlan 10
Question264: As shown in the figure below: The wrong statement is: ()acl number 2000 rule 5 deny source
200.0.12.00.0.0.7 rule 10permit source200.0.12.00.0.0.15 interfaceGigabitEthernetO/0/1 traffic- filteroutbounD.ac12000
Question265: If the value of the ypeLength field of an Ethernet data frame is 0x0800, the length of the upper layer message header carried by this data frame is in the range of 20-60B. ()
Question266: What command line views exist on the VRP operating platform? ()*
Question267: When using the SNMPv1 protocol to manage network devices, which of the following commands is used by the network management system to complete the configuration of the network devices? ()
Question268: The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question)
Question269: On the VRP platform, which of the following methods can be used to access previous historical commands? ()
Question270: Which of the following IEEE802.11 standards only supports the 2.4GHz frequency band for communication? ()
Question271: Which of the following information is not included in the MAC address table of the switch? ()
Question272: The configuration information of a certain router is shown in the figure. Which of the following statements are correct? () (Single-choice question)
#
aaa
authentication-scheme default
authentication-scheme huawei
authentication-mode radius
authorization-scheme default
authorization-scheme huawei
accounting-scheme default
domain default
domain default admin
domain huawei
authentication-scheme huawei
authorization-scheme huawei
local-user huawei password cipher 123456
local-user huawei@huawei password cipher 654321
#
Question273: Telnet is based on TCP protocol.
Question274: Which of the following message types does DHCP contain?
Question275: If the value of the "Type/Length" field of an Ethernet data frame is 0x0800, the length range of the upper- layer packet header carried by the data frame is from 20B to 60B.
Question276: < Huawei > system-view
[Huawei]command-privilege level 3 view user save
Refer to the command output. What is the result of the shown command?
Question277: When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized.
Question278: Assuming that OSPF has been enabled on all routers in the following figure, which router is the BDR on this network?
Question279: Which of the following is not included in the VRP system login method?
Question280: By default, what is the ForwarD.Delay time of the STP protocol in seconds? ()
Question281: What are the three sources for routers to obtain routing entries? ()*
Question282: What is the corresponding Solicited.-node multicast address for IPv6 iAilt2019::8:AB.? ()
Question283: Which of the following is the default port number of the Telnet server?
Question284: The following statement about static routing is wrong ()
Question285: Which of the following states indicates that the OSPF neighbor relationship has been established?
Question286: Which of the following working modes are supported by Huawei enterprise APs? ()*
Question287: The main function of the DNS protocol is ()
Question288: What identifies the coverage area of an AP in a WLAN? ()
Question289: What is the total length of the port ID in STP?
Question290: Only the WPA2-PSK security policy supports the use of TKIP for data encryption. ()
Question291: What are the advantages of OSPF?
Question292: DNS is used for domain name resolution
Question293: The routing table is generated by*
Question294: Which of the following fields are present in both IPv6 and IPv4 packet headers?
Question295: In the following figure, after the OSPF routers converge, in which state is the OSPF neighbor relationship between Router B and Router C?
Question296: Now there are the following four segments: 10.24.0.0/24, 10.24.1.0/24, 10.24.2.0/24, 10.24.3.0/24, which route can point to these four network segments at the same time? ()*
Question297: After the two routers are configured with 0SPF, the administrator configures the command on RTA. The following description is correct ()
Question298: Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()
Question299: When configuring the PPP authentication mode as PAP, which of the following operations are necessary? ()*
Question300: Trunk ports can allow multiple VLANs to pass, including VLAN4096. ()
Question301: ARP request is sent by ()
Question302: To provide the information about the IP addresses that a user packet traverses along the path to the destination, which of the following does Tracert record in each expired ICMP TTL packet?
Question303: On the VRP operating platform, what command is used to display the current interface configuration in the interface view? ()
Question304: On Huawei devices, if you use aaA authentication to authorize. When the remote server does not respond, you can authorize from the network device side ()
Question305: Which of the following statements about the routing table shown in the figure are true?
Question306: Static NAT can only implement one-to-one mapping between private and public addresses.
Question307: If the administrator wants to completely delete the old device configuration file, the following command is correct ().
Question308: As shown in the figure below, in the MAC address table of the network. SWA and SWB, which of the MAC addresses, VLANs, and ports are correct? () (Single-choice question)
Question309: In the OSPF protocol, which of the following descriptions of DR is correct? ()
Question310: When an Access type port sends a message, it will ()*
Question311: Which of the following attributes cannot be used as a measure of CoThe parameter of st? ()*
Question312: Which of the following statements about hybrid interfaces is true?
Question313: In the network as shown in the figure, the administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. Then, in the interface configuration of G0/0
/1, traffic-filWhich ACL rule needs to be bound to ter outbound? ()
Question314: The output information of the link aggregation port of a certain switch is as follows. If you want to delete Eth-Trunk1, which of the following commands is correct? ()
Question315: The network shown in the figure below. Host A is not configured with a gateway, and Host B has the ARP cache of the gateway. Which of the following statements are correct? () (Multiple Choice Question) The answer describes the address wrong
Question316: Which of the following IEEE802.11 standards support operation in the 5GHz frequency band? ()
Question317: As shown in the figure, router A has successfully telneted to router B using 10.0.12.2. Which of the following operations will interrupt the Telnet session between router A and router B?
Question318: As shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC address learned by the switch through ARP. And the host has changed its IP address three times? () (Single-choice question)
10.137.217.21000e0-fc01-0203E1/0/0
10.2.2.100e0-fc99-9999Eth-Trunk 1
192.168.20.100e0-fc99-9999vlan100
10.0.0.100e0-fc99-9999vlan200
Question319: If the application layer protocol is Te1net, then the value of the Protoco1 field in the IPv4 header? ()
Question320: Two switches use manual link aggregation at the same time. The following statement is wrong. () (Single- choice question)
Question321: If the Ethernet data frame Length/Type=0X0806, which statement is correct ()*
Question322: Which of the following SNMP packets are sent to the NMS by the Agent on the managed device?
Question323: The tree network topology is actually a hierarchical star structure, which is easy to expand the network scale, but the higher the level, the more serious the network problem caused by the node failure ()
Question324: On an interface that uses PPP as the data link layer protocol, can you configure a static route by specifying the next hop address or outbound interface? ()
Question325: Which of the following network types are supported by OSPF?
Question326: Network devices running the SNMP protocol run an agent process locally.
Question327: The RSTP protocol uses the P/A mechanism to speed up the upstream port's transition to the Forwarding state, but what is the reason for no temporary loop? ()
Question328: For the description of the PPP link establishment process, the following statement is wrong ()
Question329: The administrator hopes that all hosts cannot access the Internet from 8:00-17:00 every day, so in the interface configuration of GO/0/1, trahic-HIter outbounD. Which ACL rule needs to be bound? ()
Question330: If the network address of a network is 192.168.1.0. Then its broadcast address must be 192.168.1.255.
Question331: The output information of a certain device is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Question332: The router enables the FTP service, the user name and password are both huawei, and the root directory of FTP is set to flash:/dhcp/. Which of the following commands must be configured?*
Question333: All interfaces of the router belong to the same broadcast domain. ()
Question334: Which of the following statements about IPv6 address configuration is correct? ()*
Question335: Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? ()*
Question336: The load sharing mode at both ends of the Eth-Trunk can be inconsistent ()
Question337: Which of the following descriptions about firewalls is wrong? ()
Question338: On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. ()
Question339: The switch receives a unicast data frame. If the destination MAC of the data frame can be found in the MAC table, the data frame will be forwarded from the corresponding port of this MAC. ()
Question340: What kind of packets does the OSPF protocol use to discover and maintain neighbor relationships? ()
Question341: Which of the following functions does the LCP protocol in the PPP protocol support? ()*
Question342: Which of the following port states is not included in the RSTP protocol? ()
Question343: From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0
/1 interface. Which of the following commands can achieve this requirement? ()
Question344: The network shown in the figure below. All links are Ethernet links, and all interfaces of all routers run OSPF protocol, how many DRs are elected in the entire network? () (Single-choice question)
Question345: After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
Question346: Three Layer 2 switches are interconnected with one HUB. The switches are all enabled with STP bridge ID.
Refer to the figure below. What are the default errors of other configurations? () (Single-choice question)
Question347: LACP protocol priority, switch A. and switch B. adopt LACP mode link aggregation, and all interfaces join the link aggregation group, and set the maximum number of active ports to 3, then which interface of switch A is not an active port? ()
Question348: The output information of a certain device is shown in the figure. Which of the following statements is correct? ( ) display interface G1gabitEthernet 0/0/0 G1 gabi tEthernet0/0/0 currentstate UP Line protocol current state UP Route Port#The Maximum Transmit Unit is 1000 Internet Address is 10.0.12.2/24 IP Sending Frames'Format is PRTFMT ETENT 2.Hardware address is 00e0-fc22-4fff Port Mode:FORCE COPPER SpeeD.:100, Loopback:NONE Duplex:FULL, Negotiation:DISABLE Md1 AUTO Last 300 seconds input rate 24 bits/seC.
0 packets/sec Last 300 seconds output rate 24 bits /seC.0 packets/seC.*
Question349: In the RSTP standard, in order to improve the convergence speed, the port that the switch is directly connected to the terminal can be defined as.
Question350: There are multiple route entries to the same destination network in the routing table. These routes are called? ()
Question351: As shown in the figure, which of the following ports will be in a blocking state?
Question352: If the network administrator assigns the IPv4 address 192.168.1.1/28 to a host on the network, how many hosts can be added to the network where the host resides?
Question353: What is the number range of an advanced ACL?
Question354: When planning a campus network, which of the following methods can be used to divide service VLANs? ()
Question355: The router Radius information configuration is shown in the figure. Which of the following statements are correct? ###Radius-server template Huawei radius-server shared.key cipher Huawei radius-server authentication 200.0.12.1 1812 radius-server accounting 200.0.12.1 1813#*
Question356: The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the Blocking state? ()
Question357: In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()
Question358: Which is a valid EUI-64 address?
Question359: Which of the following protocols is OSPF based on?
Question360: What are the characteristics of VLAN based on ports? ()
Question361: Which of the following commands can be used to check the session status of the PPPoE client?
Question362: In RSTP, an edge port becomes a common STP port after receiving a configuration BPDU.
Question363: Which of the following advantages does the single-arm routing approach achieve inter-VLAN routing and intercommunication? ()
Question364: The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame received by the port. ()
Question365: The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()
Question366: The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
Question367: Which of the following types does IPv6 address include? ()*
Question368: The authentication, authorization, and accounting schemes and HWTACACS or RADIUS server templates created on AR routers take effect only after being applied to a domain.
Question369: The Tracert diagnostic tool in Huawei routers is used to track the data forwarding path.
Question370: Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()
Question371: In the network shown in the figure below, what commands can be entered on the router to make host A ping host B through? ()
Question372: Which of the following messages is used for IPv6 stateless address autoconfiguration? ()*
Question373: Which of the following elements are included in the routing table? ()*
Question374: In the campus network, the reliability of the network can be improved by using link aggregation and stacking technology. ()
Question375: AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding.
Question376: The administrator wants to configure the P address on the G0/0/0 interface of the router. Which of the following addresses is correct?
Question377: An AR2200 router needs to restore the initial configuration, which of the following operations are necessary? ()*
Question378: There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()
Question379: The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the F orwarding state, but what is the reason for the no temporary loop? . Shorten the time of ForwarD.Del ay
Question380: The output information of the sub-interface of a router aggregate port 1 is shown in the figure. Based on this information, which of the following statements are correct? ()
Question381: AAA. Which of the following is not included? ()
Question382: After the administrator successfully logs in to the router through Telnet, it is found that the router's interface P address cannot be allocated, then the possible reasons are ()
Question383: What is the total length of port ID in Spanning Tree Protocol? ()
Question384: An administrator wishes to configure a floating static route. In order to successfully achieve this, which operation should be performed?
Question385: Which of the following address types does IPV6 have?
Question386: Which of the following protocols does the RA. message used by IPv6 stateless autoconfiguration belong to? ()
Question387: OSPF protocol needs to elect DR and BDR in which of the following network types? ()*
Question388: The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this is ().
Question389: If Proto of a route displayed in the routing table is OSPF, the preference of the route must be 10.
Question390: Which of the following statements about the usage scenarios of the DHCP protocol is correct? ()
Question391: What is the MAC address of the data link layer of each VAP on the AP? ()
Question392: Assume that an OSPF-enabled router has no loopback interface configured. What would be used as the router ID?
Question393: If the configured ACL rules have an inclusive relationship, it should be noted that the rule numbers of strict conditions need to be sorted first, and the rule numbers of loose conditions need to be sorted later to prevent packets from hitting the rules of loose conditions and stop being pushed down to continue matching. Cannot hit the strict conditions of the rules. ()
Question394: SNMP packets are transmitted by UDP.
Question395: In order to realize the network layer function on the VLANIIF interface, need to be configured on the VLANIF interface? ()*
Question396: The following two configuration commands can realize the router RTA. The main and backup backup routes to the same destination 10.1.1.0: () (RTA)ip route--statiC.10.1.1.02412.1.1.1 permanent(RTA)ip route--statiC.10.2.2.02413.1.1.1.
Question397: Which of the following statements about Prefix Segment is wrong? ()
Question398: Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs ()
Question399: The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. ()
Question400: The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*
Question401: Which of the following methods is not used for logging in to the VRP system?
Question402: In which working state of the port in the STP protocol can it be changed to the Forwarding state without going through other states? ()
Question403: When the router is powered on, it will read the configuration file from the default storage path to initialize the router. If there is no configuration file in the default storage path, what will the router use for initialization? ()
Question404: In the OSI reference model, what can complete end-to-end error detection and flow control is ()
Question405: Network switch A and router A are connected by two links. The two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link needs to carry VLAN TAG100 when forwarding data. The switch When A uses a trunk link, which of the following configurations need to be used by switch A? ()
Question406: RADIUS is a common protocol to implement AAA.
Question407: How many types of OSPF packets are there? ()
Question408: The network is shown in the figure below. The router uses a sub-interface as the host gateway. The gateway IP address is 10.0.12.2. Which of the following commands can achieve this requirement? () (Multiple Choice Questions)
Question409: Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? ()
Question410: A company applies for a class C IP address for subnetting. It has six branches and the largest branch should have 26 hosts. What would be an appropriate subnet mask for the largest branch?
Question411: When the LCP phase of PPP is negotiated, the content of the negotiation includes ()*
Question412: As shown in the figure below, assuming that the other configurations of the switch are kept in the default state, which port of the following switch will become the designated port? () (Multiple Choice Questions)
Question413: PAP authentication is more secure than CHAP authentication because it does not carry passwords in clear text
Question414: There is a WeB server in the private network that needs to provide HITP services to public network users.
Therefore, the network administrator needs to configure NAT on the gateway router RTA.
Question415: The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()
Question416: Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()
Question417: Among the configuration BPDUs sent by the switch, which bridge D. is unlikely to appear? ()
Question418: Fit APs can provide wireless services independently of an AC.
Question419: As shown in the figure below. All hosts can communicate normally. Is the corresponding relationship between SWA MAC address and port correct? () (Single-choice question)
Question420: The number of VLANs that can be created using the commands "vlan batch1020 and "vlan batch10to20" respectively is ()
Question421: What is the number range of the Layer 2 ACL? ()
Question422: In a broadcast address, all host bits are set to 1, and a broadcast address can be used as a host address.
Question423: When two OSPF routers form a 2-WAY neighbor relationship, the LSDB. has been synchronized. ()
Question424: The Huawei tracert diagnostic attack is used to track the forwarding path of data ()
Question425: What are the ACL classifications*
Question426: In the network shown in the figure below, switch A and router A are connected by two links, and the two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link performs data forwarding It needs to carry VLAN TAG100, and switch A uses trunk link. Which of the following configurations should be used for switch A? ()
Question427: What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*
Question428: FIT AP can work independently without relying on AC. ()
Question429: Which extension headers are supported by IPv6 packets?() *
Question430: When using the ping command on the VRp platform, if you need to specify a P address as the source address of the echo request message, which of the following parameters should be used? ()
Question431: Which of the following descriptions about STP designated ports is correct?
Question432: UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing and flow control. It is suitable for flows that do not require high transmission reliability, but require high transmission speed and delay ().
Question433: Telnet is a module that implements the Telnet protocol that comes with Python ()
Question434: Which parameter is used in the spanning tree protocol for root bridge election? ()
Question435: What are the user authentication methods that can be deployed in wlan? ()