Question1: The WPLS tag header is encapsulated between the data link layer header and the network layer header of the message.
Question2: 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 ().
Question3: Virtualization is the basis for implementing NEV. Which of the following statements about the characteristics of virtualization is correct? ()*
Question4: Which of the following parameters is used to elect the root bridge in STP?
Question5: What is correct about the SNMP protocol?
Question6: What is wrong about the following description of the router? ()
Question7: After link authentication is completed, STA. will continue to initiate link service negotiation. Which of the following messages will be used to achieve the specific negotiation? ()
Question8: Which of the following working modes are supported by Huawei enterprise APs? ()*
Question9: Which of the following statements about Iv6 address configuration are correct? ()*
Question10: When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()
Question11: Which of the following are related to the purpose of encapsulation and decapsulation? ()
Question12: Which of the following applications is based on the TCP protocol?
Question13: The load sharing mode at both ends of the Eth-Trunk can be inconsistent ()
Question14: In the STP protocol, which of the following factors will affect the election of the root switch? ()*
Question15: In the network shown in the figure below, the switch uses VLANIF interfaces to connect with the router sub- interfaces. Which of the following configurations can achieve this requirement? () (Single-choice question)
Question16: Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()
Question17: 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.
Question18: Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
Question19: 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?
Question20: 1/128 is the IPv6 loopback address ()
Question21: The network shown in the figure below. From a security perspective, router A refuses to receive OSPF packets and ICMP packets received from interface G0/0/1. Which of the following commands can achieve this requirement? () (Multiple Choice Questions)
Question22: Basic ACL number value range ().
Question23: The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
Question24: Through sR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain the SegmentRouting information to cope with the real-time and rapid development of the business.
What are the following characteristics of Segment Routing?
Question25: The IPv6 protocol uses NS and NA. packets for duplicate address detection ().
Question26: Which statement about the 0SPF protocol DR is correct? ()
Question27: Using the command mkdirtest in the VRP operating platform, the system will create a directory named test. ()
Question28: Which of the following interfaces are not open to Huawei controllers?
Question29: 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.
Question30: Broadcast network. OSPF runs on four routers in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve better backup results
Question31: Assume that an OSPF-enabled router has no loopback interface configured. What would be used as the router ID?
Question32: Which is a valid EUI-64 address?
Question33: Which of the following message types does DHCP contain?
Question34: After OSPF is configured on the two routers, the administrator configures commands on RTA. Which of the following descriptions is correct? ()
Question35: 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 ()
Question36: Management Information Base (MIB) Information Base) is a virtual database, this database only exists on NMS. ()
Question37: The 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? ()
Question38: Which of the following IPv6 addresses is a multicast address? ()
Question39: Which of the following descriptions of wireless devices is correct? ()
Question40: FIT AP does not need AC. It can also work independently ()
Question41: 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?
Question42: Telnet is a module that implements the Telnet protocol that comes with Python ()
Question43: ARP request is sent by ()
Question44: Which of the following parameters cannot be used for advanced access control lists? ()
Question45: The Trunk port can send both tagged data frames and untagged data frames.
Question46: 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? ()
Question47: By default, what is the ForwarD.Delay time of the STP protocol in seconds? ()
Question48: Ethernet_I containing the Ethernet headerIWhat is the length of the frame? ()
Question49: Which of the following are not the characteristics of a small campus network? ()
Question50: On the network shown in the figure, the router receives a data packet with the destination IP address 11.0.12.1 from Host A.
After the packet is forwarded by the router, which of the following are the destination MAC address and destination IP address of the data packet?
Question51: When configuring the PPP authentication mode as PAP, which of the following operations are necessary? ()*
Question52: Which of the following OSPF versions is suitable for IPv6?
Question53: Which of the following statements about IPv6 anycast addresses are correct?
Question54: 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? ()
Question55: In order to implement FIT AP online, FIT AP first needs to obtain the IP address of AC. Which of the following options is not included in FITAP obtaining the IP address of AC. ()
Question56: Which packet type is used by network devices running the SNMPv1 protocol to actively send alarm information? ()
Question57: 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)
Question58: For the description of the PPP link establishment process, the following statement is wrong ()
Question59: The users who log on the router through Telnet are not permitted to configure an IP address. What is the possible reason?
Question60: Which of the following commands is used to display the CPU usage of a router?
Question61: Which information of the data frame is used by the interface to determine whether to forward Layer 2 or Layer 3 forwarding? ()
Question62: The processing behavior of the data frame received by the switch is ()
Question63: Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? ()*
Question64: How many planes does a network device have? ()*
Question65: How many types of OSPF packets are there? ()
Question66: 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?
Question67: Which of the following statements about hybrid interfaces is true?
Question68: Which of the following types of addresses are not included in IPv6 addresses? ()
Question69: The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
Question70: Which of the following routing protocols has the highest priority?
Question71: What command can be typed in the system view to switch to the user view? ()
Question72: After the two routers are configured with 0SPF, the administrator configures the command on RTA. The following description is correct ()
Question73: In what ways does VRP support router configuration? ()*
Question74: Which of the following address types does IPV6 have?
Question75: As shown in the figure, you only need to configure this static route on R1, and the two hosts can communicate with each other normally.
Question76: Is there any correct statement about the TTL field in the IPv4 header? ()
Question77: Network devices running SNMP can proactively report traps to help network administrators detect faults in a timely manner.
Question78: What is the IEEE802.11 standard corresponding to Wi-F16? ()
Question79: Which of the following commands can be used to view the CPU usage of the router?
Question80: AAA. Which of the following is not included? ()
Question81: There are multiple route entries to the same destination network in the routing table. These routes are called? ()
Question82: The host's IPv4 address is 200.200.200.201/30. Which of the following hosts has an IPv4 address and its communication does not need to be forwarded by a router? ()
Question83: The following statement about the HybriD. port is correct ()
Question84: The following description of static and dynamic routing is wrong ().
Question85: Which of the following is a link-state routing protocol?
Question86: 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? ()
Question87: Which of the following authentication methods does not require the user name and password? ()
Question88: As shown in the figure, is the description of this network topology correct? () (Single-choice question)
Question89: What kind of packets does the OSPF protocol use to request LSAs that are missing locally? ()
Question90: Which of the following protocols is OSPF based on?
Question91: 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)
Question92: Which of the following WLAN security policies support open link authentication?
Question93: Does the WEP security policy support the use of TKIP for data encryption?
Question94: The administrator wants to allocate a Hundred P address on the G0/0/0 interface of the router. Which of the following addresses is correct? ()
Question95: Which of the following commands to configure the default route is correct? ()
Question96: Which of the following descriptions about Trunk port and Access port are correct ()
Question97: Which of the following statements about encapsulation and decapsulation are true?
Question98: Users cannot configure VLAN ID. to 0. ()
Question99: 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? ()
Question100: Which of the following statements about IPv6 address configuration are correct? ()*
Question101: Refer to the display startup command output shown in the figure. Which of the following statements are true?
Question102: By default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? ()
Question103: NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets ()
Question104: The MPLS label header is encapsulated between the data link layer header and the network layer header of the message. ()
Question105: Which of the following elements are included in a routing table?
Question106: Which authorization modes are supported by AAA on Huawei ARG3 series routers? ()*
Question107: 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? ()
Question108: 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? ()*
Question109: The priority of static routes cannot be manually specified.
Question110: If the IP address of a host in the LAN is 192.168.1.1/30, which of the following IP addresses will be processed by the host as the destination address of the IP packet? ()*
Question111: Which of the following statements about Prefix Segment is wrong? ()
Question112: Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? ()
Question113: Which of the following statements about VLANIF interfaces are correct? ()
Question114: 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
Question115: According to the command shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Question116: Which of the following IE802.11 standards only supports the 24GHz frequency band for communication? ()
Question117: 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?
Question118: What is the function of the command port trunk allow pass vlan all? ()
Question119: 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#*
Question120: FAT AP can independently complete wireless user access, wireless user authentication, and business data forwarding without AC. ()
Question121: Which of the following features does the OSPF protocol have? ()*
Question122: What is used as the data link-layer MAC address that identifies each VAP on an AP?
Question123: The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)
Question124: By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to N? ()
Question125: VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be deleted.
Question126: On Huawei routers, what is the default value of the OSPF protocol internal routing priority? ()
Question127: When the Access type port sends a message, it will ().
Question128: 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)
Question129: In the RSTP protocol, when the edge port receives the configuration BPDU message, it loses the edge port attribute.
Question130: In the campus network, the reliability of the network can be improved by using link aggregation and stacking technology. ()
Question131: In RSTP, an edge port becomes a common STP port after receiving a configuration BPDU.
Question132: In the following figure, after the OSPF routers converge, in which state is the OSPF neighbor relationship between Router B and Router C?
Question133: Which state does the 0SPF protocol use to indicate that the adjacency relationship has been established? ()
Question134: 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)
Question135: ForwardD.Delay exists when an STP port transitions between which of the following states?
Question136: Which of the following commands can be used to check the session status of the PPPoE client?
Question137: Which statement about the dynamic AC. address table is correct?
Question138: In order to realize the network layer function on the VLANIF interface, do you need to configure it on the VLANIF interface? ()
Question139: What are the network types supported by the OSPF protocol? ()*
Question140: What is the number range of advanced ACLs? ()
Question141: The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host.
Question142: The router ID of the OSPF-enabled router must be the same as the IP address of an interface on the router.
Question143: The administrator has configured the AR2200. Which of the following descriptions about the configuration information is correct ()
Question144: In the network shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Question145: What is wrong about the description of the information as shown in the figure? () (Single-choice question) (RI) display interface g0/0/0 GlgabltEtherneto/0/0 current state :Adainistratively DOWN Line protocol current state :DOWN
Question146: When the device running STP receives the RSTP configuration BPDU, it will discard it. ()
Question147: Complete the ACL configuration shown in the figure on the router RTA. Which of the following descriptions is correct? () (Single-choice question) (RTA) acl 2001 (RTA-acl-basic-2001) rule 20 permit source 20.1.1.0 0.0.0.255
#RTA-acl-basic-2001#rule 10 deny source 20.1.1.0 0.0.0.255
Question148: Using a traditional landline to make a call is a way of network communication. ()
Question149: 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)
Question150: The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*
Question151: What kind of message does the 0SPF protocol use to request the locally missing LSA? ()
Question152: 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? ()
Question153: What identifies the coverage area of an AP in a WLAN? ()
Question154: When the FIT AP goes online, the software version will be downloaded from AC.
Question155: Which of the following port states does the RSTP protocol include?
Question156: 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 ().
Question157: 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. ()
Question158: The IEEE802.11aC. standard only supports the 5GHz frequency band ()
Question159: 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?
Question160: What is the protocol number of OSPF at the network layer?
Question161: If the Length of an Ethernet data frame/Type = 0x8100, which of the following statements is correct? ()
Question162: Protocol Priority Switch A. and Switch B. adopt LACP mode link aggregation, and all interfaces join 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? ()
Question163: By default, it takes at least 30s for the port status in the STP protocol to change from Disable D. to Forwarding status. ()
Question164: If the application-layer protocol is Telnet, what is the value of the "Protocol" field in the IPv4 header?
Question165: The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question)
Question166: After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
Question167: 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
Question168: Which of the following fields does the MPLS header include?
Question169: The following two configuration commands can realize the master and backup backup of the router RIA to the same destination 10.1.1.0.
Question170: Which of the following statements about the default route are correct?
Question171: What is the length of the basic IPv6 header in bytes? ()
Question172: RADIUS is a common protocol to implement AAA.
Question173: Which of the following parameters need to be considered when electing a root port in STP? ()*
Question174: 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
#
Question175: How many types of data flows with different service levels can be marked based on MPLS labels?
Question176: 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.
Question177: IPv6 uses NS and NA packets to perform duplicate address detection (DAD).
Question178: Which of the following functions does the LCP protocol in the PPP protocol support? ()*
Question179: Which of the following statements about the election of DR and BDR are correct? ()*
Question180: Which of the following protocols consist of the PPP agreement? ()*
Question181: If it is UDP, the value of the protocol field of the network layer is 6 ()
Question182: Which of the following fields is not included in the He1lo packet of the OSPF protocol? ()
Question183: IP route--statiC.10.0.12.0255.255.255.0192.168.1.1 About this command description is correct ()
Question184: The following statement about static routing is wrong ()
Question185: 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? ()*
Question186: At which layer of the OSI reference model do Ethernet switches operate? ( )
Question187: 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)
Question188: The IPv6 protocol uses NS and NA. packets for duplicate address detection ().
Question189: There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()
Question190: OSThe I reference model from high-level to bottom-level is ()
Question191: Which field of the Pv6 packet header can be used for Q0s? ()
Question192: Which of the following protocols does the RA. message used by IPv6 stateless autoconfiguration belong to? ()
Question193: In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()
Question194: When learning this switch needs to forward the frame with the destination MAC. The address is 5489-98ec-f011, the following description is correct ()
Question195: Which of the following protocols can be used to prevent Layer 2 loops on a campus network?
Question196: The administrator has configured the router as shown in the figure. Then a host connected to the G1/0/0 interface of the router. What kind of IP address can be obtained through DHCP? () (Single-choice question)
Question197: Static NAT can only achieve one-to-one mapping between private addresses and public addresses ()
Question198: As shown in the figure, if the command ping 10.1.1.2 is executed on R1, the data frame of VLAN 10 received from LSW2 by LSW1 is tagged. ()(True or False)
Question199: Now you need to implement a Python automation script Telnet to the device to view the running configuration of the device. What is wrong with the following statement? ()
Question200: The following description about the specified port of the spanning tree is correct ()
Question201: 1/128 is the IPv6 loopback address ()
Question202: Refer to the following commands run on GigabitEthernet0/0/1 and GigabitEthernet0/0/2. Which of the following statements are true?
Question203: 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? ()
Question204: On the VRP, when the mkdir test command is run, the system creates a directory named test.
Question205: An administrator wishes to configure a floating static route. In order to successfully achieve this, which operation should be performed?
Question206: 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? ()
Question207: The router ID of the OSPF process takes effect immediately after being changed.
Question208: The routing table is generated by ()*
Question209: What is the default step length of ACL on AR G3 series routers? ()
Question210: 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?
Question211: The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()
Question212: The basic header length of IPv6 packets is a fixed value ()
Question213: The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)
Question214: As shown in the figure below. All hosts can communicate normally. Which of the following statements are correct? () (Multiple Choice Questions)
Question215: Fit APs can provide wireless services independently of an AC.
Question216: An authenticator router has been configured with two domains named "Area1" and "Area2", following which a user is created with the username "huawei" and the password "hello" for authentication. Which domain does this user belong to?
Question217: How to deal with the data frame sent by the Trunki port? ()
Question218: If the broadcast address of a network is 172.16.1.255, which of the following addresses is the network address?
Question219: VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configuration commands but cannot operate the file system?
Question220: 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)
Question221: 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)
Question222: The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
Question223: What is the priority value of the direct route entry? ()
Question224: OSPF Router ID. It must be the same as the IP address of an interface on the router.
Question225: Which of the following is not a type of OSPF LSA?
Question226: When the Access type port sends a message, it will ().
Question227: Which statement about OSPF area division is wrong? ( )
Question228: In IPv4 network, AP supports static and DHCP to obtain IP address ()
Question229: RTA. Uses NAT technology and realizes many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Assuming that there are only two public network P addresses in the address pool, and they have been assigned to hosts A and B for address conversion, and at this time, if the host also wants to access the public network, the following description is correct ().
Question230: On the Huawei VRP, what is the default preference of different route types, in descending order?
Question231: What is wrong about the ARP message? ()
Question232: The following description of the Router ID of OSPF is incorrect ().*
Question233: If the network address of a network is 192.168.1.0. Then its broadcast address must be 192.168.1.255.
Question234: Which of the following statements about IPv6 anycast addresses are correct? ()*
Question235: When a switch receives a unicast data frame with a VLAN tag, but finds that the destination MAC address of the data frame cannot be queried in its MAC address table, the switch's processing behavior for the data frame is.
Question236: The IP addresses of the VLANIF interfaces of the same switch cannot be the same. ()
Question237: You can manually specify the source address or source interface of the CAPWAP tunnel on the AC. ()
Question238: SNMP messages are carried over UDP.
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 router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. ()
Question242: The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data packet is forwarded by the router, what are the destination MAC. and destination IP? ()
Question243: The Layer 2 networking of WLAN refers to STA. It uses AC as its own gateway. ()
Question244: What are the characteristics of VLAN based on ports? ()
Question245: An administrator wishes to manage the router in the remote branch office, which method can be used?
Question246: When both ends running PPP protocol detect that the physical link is active, the link state will transit from dead to establish. Which of the following protocols is used to negotiate the link parameters during this phase?
Question247: 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? ()
Question248: Dynamic routing protocols can automatically adapt to network topology changes.
Question249: The correct statement about the transport layer protocol is ()
Question250: AC uses CAPTAP control tunnel transmission to FIt AP management packet
Question251: When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()
Question252: The login timeout time in the VRP system can only be set under the vty interface. ()
Question253: Which of the following parameters is not contained in STP configuration BPDUs?
Question254: As shown in the figure below. Which network device can host A and host B use to achieve communication? () (Single-choice question)
Question255: 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. ()
Question256: Which of the following is not included in the VRP system login method?
Question257: Which of the following commands can switch a view from the system view to the user view?
Question258: A network administrator of a company wants to be able to remotely manage the network equipment of the branch. Which of the following protocols will be used? ()
Question259: A certain ACL of the router is in the following rules, rule deny source192.168.2.00.0.0.255 destination
172.16.10.20.0.0.0 Which of the following statements is correct? ()
Question260: 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 ()
Question261: 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. ()
Question262: Which of the following advantages does the single-arm routing approach achieve inter-VLAN routing and intercommunication? ()
Question263: What are the stable states of OSPF neighbor relationship? ()*
Question264: 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? ()
Question265: If the Ethernet data frame Length/Type=0X0806, which statement is correct ()*
Question266: In order to join the wireless network $TA. The wireless network information needs to be obtained first. Which of the following messages is used by the STA to actively obtain the SSID information? ()
Question267: Network devices running the SNMP protocol run an agent process locally.
Question268: 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? ()
Question269: The following two configuration commands can implement router RIA. The route to the same destination
10.1.1.1.0 is active and standby:
Question270: Which of the following parameters cannot be used for advanced access control lists? ()
Question271: Which of the following commands configures the authentication mode as HWTACACS authentication? ()
Question272: When the LCP phase of PPP is negotiated, the content of the negotiation includes ()*
Question273: 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.
Question274: 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)
Question275: AAA. Which of the following is not included? ()
Question276: The switch is connected to the host. What is the common port link type of the switch? ()
Question277: As shown in the figure, which of the following ports will be in a blocking state?
Question278: On Huawei ARG3 series routers, what authentication modes does AAA. support? ()
Question279: All interfaces of the router belong to the same broadcast domain. ()
Question280: 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)
Question281: Which of the following statements about Prefix Segment is wrong? ()
Question282: Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()
Question283: On the VRP platform, the default protocol priority of routes in the direct route, static route, RIP.OSPF area, from high to low, is ()
Question284: When an Access type port sends a message, it will ()*
Question285: Which of the following statements about static routes on Huawei devices is false?
Question286: To enable Router A to communicate with Loopback 0 on Router B on the network shown in the figure, which of the following commands needs to be run on Router A?
Question287: Which of the following options describes the concept of NFV architecture correct?
Question288: The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations. ()
Question289: To ensure that the same data flow is forwarded on the same physical link, which load sharing method does the Eth-Trunk adopt? ()
Question290: Which of the following MAC addresses cannot be used as the MAC address of the host network card? ()*
Question291: 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
Question292: What is the role of link aggregation? ()*
Question293: As shown in the figure below. Host A and Host B cannot communicate. ()(True or False)
Question294: The route entry 10.0.0.24/29 may be aggregated from which of the following subnet routes? ()*
Question295: 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. ()
Question296: The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()
Question297: Which of the following is not included in AAA? ()
Question298: All four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will the blocked port in the network enter the forwarding state ()
Question299: The link aggregation interface can only be used as a Layer 2 interface.
Question300: Which of the following is not the reason why RSTP can increase the speed of convergence? ()
Question301: On the command line interface of Huawei AR routers, the role of the Save command is to save the current system time.
Question302: What is the full name of the general routing platform VRP? ()
Question303: 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)
Question304: Compared with the IPv4 packet header, which field is added to the IPv6 packet? ()
Question305: Regarding the configuration shown in the figure, which statement is correct? () (Single-choice question)
Question306: Which of the following planes does a network device have?
Question307: A network engineer prompts the following message when entering the command line: Error: UnrecognizeD.
commanD.founD.at '#' position. Which of the prompt information is correct? ()
Question308: What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
Question309: In an IPv4 network, AP supports static and DHCP methods to obtain IP addresses.
Question310: CSS refers to the combination of two switch devices that support cluster features. Logically combined into one switch device. ()
Question311: 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?
Question312: The output information of a router is shown in the figure. Which of the following statements are correct? ()
Question313: Which bridge is in the configuration BPDU sent by the switchID. Impossible to appear?
Question314: 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.*
Question315: In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops?
Question316: A device has been configured to complete Telnet configuration. The device login address is 10.1.1.10. The Telnet user name is admin and the password is Huawei@123. The following is the correct way to use telnertlit to log in to this device? ()
Question317: The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination MAC of 5489-9811-0b49 from port Eth0/0/2, which of the following statements is correct? ()
Question318: 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
Question319: Which of the following IEEE802.11 standards only supports the 2.4GHz frequency band for communication? ()
Question320: 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)
Question321: In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()
Question322: AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding.
Question323: In the network as shown in the figure below, host A logs in to router A through Telnet. Then obtains the configuration file of router B through FTP on the remote interface. At this time, how many TCP connections does router A have? () (Single-choice question)
Question324: FTP transfer data at a time requires several TCP connections to be established
Question325: Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()
Question326: According to the command output as shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Question327: The router needs to modify the destination IP address in the data packet when forwarding the data packet.
Question328: When a switch port receives a frame that does not carry a VLAN tag, it must add a PVID to the frame.
Question329: Which of the following descriptions about the 0SPF area is correct ()*
Question330: Which of the following are related to the purpose of encapsulation and decapsulation? ()*
Question331: What kind of packets does the OSPF protocol use to send LSAs to neighbors? ()
Question332: Which of the following messages is used for IPv6 stateless address autoconfiguration? ()*
Question333: VLANs can be assigned based on service types during campus network planning.
Question334: As shown in the figure below, the network. All switches enable the STP protocol. Disable SWA's G0/0/2 port to configure the BPDU sending function. SWC's G0/0/1 reconverges to become the root port. Which of the following statements is correct about this process? () (Multiple Choice Questions)
Question335: According to the VTY user interface configuration shown in the following figure, the user level is set to 3.
Question336: Which of the following statements about IPv6 RA. and RS messages are correct? ()
Question337: 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
Question338: Which layer of protocol does ARP belong to
Question339: 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?
Question340: The link aggregation interface can only be used as a Layer 2 interface (C)
Question341: Wireless access controller (AC, Access Cntroller) As a unified management and control device in the FIT AP architecture, the following description of the role of AC. is wrong ()
Question342: In standard STP mode, which of the following non-root switches will forward the C-set BPDU generated by the root switch? ()
Question343: In the OSPF protocol, which of the following descriptions of DR is correct? ()
Question344: In the broadcast network as shown in the figure, 0SPF runs on four routers. And in the same area. The same network segment. SPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. () (True or False)
Question345: 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 ().
Question346: The mask length is 12 bits can be expressed as?
Question347: A trunk interface allows frames from multiple VLANs including VLAN 4096.
Question348: Which fields in the IPv4 header are related to fragmentation? ()*
Question349: As shown in the figure, the host has ARP cache. Host A sends a data packet to host B. Which of the following are the destination MAC address and destination IP address of the data packet?
Question350: Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()
Question351: What are the advantages of OSPF?
Question352: According to the following configuration, which statement is correct? () (Multiple Choice Questions)
Int g0/0/1
Int g0/0/2
Port hybrid pvid vlan 20
Port hybrid pvid vlan 10
Port hybrid untagged vlan 10 20
Port hybrid untagged vlan 10 20