Question1: The routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
Question2: 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. ()
Question3: What is the total length of port ID in Spanning Tree Protocol? ()
Question4: In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()
Question5: What are the characteristics of VLAN based on ports?
Question6: A network administrator of a company wants to uniformly divide users who often access the company network from different switches to VLAN 10 due to frequent changes of office locations. Which of the following methods should be used to divide VLANs?
Question7: In IPv4 network, AP supports static and DHCP to obtain IP address ()
Question8: On which layer of the OSI reference model does the router work?
Question9: If the Length/Type of an Ethernet data frame is equal to 0x8100, what might be the payload of this data frame?
Question10: Which of the following statements about Prefix Segment is wrong? ()
Question11: 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 ().
Question12: After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
Question13: OSPF protocol needs to elect DR and BDR in which of the following network types? ()*
Question14: Layer 2 switches belong to the data link layer equipment. It can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table.
Question15: Which of the following IEE802.11 standards support operation in the 2.4GH and 5GH frequency bands?
Question16: Does the WEP security policy support the use of TKIP for data encryption?
Question17: What is the destination IP address of the DHCP DISCOER message? ()
Question18: 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)
Question19: If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. ()
Question20: What is the number range of basic ACLs?
Question21: Which of the following statements about the various versions of the SNMP protocol are correct?
Question22: Network devices running the SNMP protocol run an agent process locally.
Question23: Which of the following working modes are supported by Huawei enterprise APs? ()*
Question24: In the VRP system, what function does the Ctrl+Z key combination have? ()
Question25: Which WLAN security policies support the 0pen link authentication method? ()
Question26: Which of the following statements about OSPF neighbor status are correct?
Question27: The routing table is generated by ()*
Question28: Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology?
Question29: Which of the following statements about RA.
and RS in IPv6 are correct? ()
Question30: 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
Question31: Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()
Question32: The controller is the core component of SDN. The controller connects to the device through the southbound interface. Which of the following belong to the controller southbound protocol?
Question33: As shown in the figure, is the description of this network topology correct? () (Single-choice question)
Question34: The three layer switches are interconnected with one machine core, and all switches enable the STP function.
Please refer to the figure below for the bridge ID setting of the switch STP. Others are the default configuration. The following statement is.
Question35: What is wrong about the following description of the router? ()
Question36: The network administrator of a certain company wants to uniformly divide the users who often access the company network from different switches to VLAN 10 when they frequently change office locations. Which of the following methods should be used to divide VLANs? ()
Question37: In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()
Question38: In the network shown in the figure, which of the following descriptions is correct.
Question39: Which of the following port states does not include the RSTP protocol?
Question40: Which of the following commands can change the device name to huawei? ()
Question41: 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)
Question42: What is the default server port number used by the Telnet protocol?
Question43: The load sharing mode at both ends of the Eth-Trunk can be inconsistent ()
Question44: What is the number range of advanced ACLs?
Question45: If the Length/Type of an Ethernet data frame is 0x8100, which of the following statements is correct?
Question46: IPCP dynamic address negotiation can automatically obtain the address()
Question47: The network structure and 0$PF partition are shown in the figure. In the figure, except for RTA., the routers RTB.RTC. and RTD. are ABR routers. () (RTA) ip route-statiC.10.1.1.02412.1.1.1 permanent (RTA) ip route-statiC.10.2.2.02413.1.1.1.
Question48: What kind of message does the 0SPF protocol use to request the locally missing LSA? ()
Question49: Which of the following statements about single-arm routing are correct? ()
Question50: When a company's network management needs to plan the network, the data packets that allow PC1 to access PC2 go through the G0/0/0 port (G0/0/2 on the picture). The data packet that PC2 accesses to PC1 goes from port G0/0/4 (G0/0/0 in the picture). () (Single-choice question)
Question51: Which of the following protocols does the RA.
message used by IPv6 stateless autoconfiguration belong to? ()
Question52: The two ends of the PPP link are not in the same network segment and cannot communicate
Question53: 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? ()
Question54: UDP has a sliding window mechanism to control the speed of data transmission
Question55: Among the following commands for configuring the default route, the correct one is ()
Question56: If the broadcast address of a network is 172.16.1.255, what might its network address be? ()
Question57: Which of the following types does IPv6 address include? ()*
Question58: The following description of the Layer 2 Ethernet switch is incorrect ().
Question59: Using the ACL shown in the figure on the router RTA to match routing entries, which of the following entries will be matched?
Question60: Which of the following descriptions of wireless devices is correct? ()
Question61: Can the administrator modify the device name for the router under ()?
Question62: The ACL on the ARG3 series routers supports two matching sequences, configuration sequence and automatic sorting. ()
Question63: In the STP protocol, which of the following factors will affect the election of the root switch? ()*
Question64: The IPv6 address 2001: ABEF:2240E:FFE2:BCC0:CD0:DDBE:8D58 cannot be abbreviated. ()
Question65: About the above configuration command is correct ()
Question66: 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)
Question67: Users cannot configure VLAN ID. to 0. ()
Question68: Which authorization modes are supported by AAA on Huawei ARG3 series routers? ()*
Question69: Which of the following cannot be the length of the IPv4 packet header?
Question70: What is the data link layer MAC address of the VAP on the AP in the WLAN?
Question71: By default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? ()
Question72: Regarding the corresponding relationship between the access control list number and type, the following description is correct ()
Question73: 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? ()
Question74: The administrator has configured the router as shown in the figure, and the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used, Ip pool pool1 network 10.
Question75: 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 ()
Question76: Which of the following descriptions about the switch is wrong?
Question77: Which of the following statements is correct? ()
Question78: Which of the following options does not belong to the SDN network architecture?
Question79: 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)
Question80: The IPV6 address 2001:ABEF:224E:FFE2:BCC0:CD00:DDBE:8D58 cannot be abbreviated.
Question81: What is the value of the Type field in the RStp configuration BPDU message? ()
Question82: 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. ()
Question83: What are the functions of OSPF protocol DR and BDR?
Question84: In the figure below, all switches have enabled the STP protocol, assuming that the path cost of all ports is 200.
What is the root path cost value contained in the configuration BPDU message received on the G0/0/4 port of the SWD?
Question85: 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.
Question86: What are the stable states of OSPF neighbor relationship? ()*
Question87: The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)
Question88: The configuration information of a certain port of the switch is shown in the figure. Then, when the data frame of which VLAN is sent by this port, it carries the VLAN TAG? ()interface GigabitEtherneto/0/1 port hybriD.taggeD.vlan 2 to 3 100 port hybriD. untaggeD. vlan 4 6#
Question89: The information shown in the figure is the port status information displayed on a switch running STP.
According to this information, the following description is wrong.
Question90: When the LCP phase of PPP is negotiated, the content of the negotiation includes ()*
Question91: There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()
Question92: 192.168.1.127/25 represents () address ()
Question93: What is the value of TPID defined by IEEE802.1Q?
Question94: Which of the configurations in the following options belong to a Layer 2 ACL? ()*
Question95: Refer to the single-arm routing configuration in the figure below, it can be judged that even if the ARP proxy is not enabled on the sub-interface of R1, the administrative department and the financial department can communicate with each other.
Question96: The MAC address table of the existing switches is shown in the figure. Which of the following statements are correct?
Question97: In the switching network shown in the figure below, all switches are running the STP protocol. When the topology is stable, modify the configuration of the BPDU sending cycle on which of the following switches.
Can affect the sending cycle of SWD configuration BPDUs.
Question98: The HybriD. port can be connected to the user host or other switches. ()
Question99: As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)
Question100: Which of the following commands to configure the default route is correct? ()
Question101: 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? ()
Question102: When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID. ()
Question103: As shown in the figure below, host A and host B cannot communicate.
Question104: DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts automatically. The messages used are ()
Question105: How to enter the view of OSPF area 0 in the VRP operating system?
Question106: When deploying ACL on Huawei equipment, which of the following descriptions is correct is ().*
Question107: As shown in the figure below, which of the following statements is correct? () (Single-choice question)
Question108: What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*
Question109: The IPv6 protocol uses NS and NA.
packets for duplicate address detection ()
Question110: ifoneLength/Type = 0X8100 taught by the Ethernet data, which of the following is correct? ()
Question111: Which of the following IEEE802.11 standards does not support communication in the 5GHz frequency band? ()
Question112: Which of the following statements about link aggregation in LACP mode is correct?
Question113: What are the characteristics of VLAN based on ports? ()
Question114: The router running the 0SPF protocol can reach the FULL state after completing the LSDB. synchronization. ()
Question115: In the broadcast network shown in the figure, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect.
Question116: By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap messages to the network management system? ()
Question117: In which working state of the port in the STP protocol can it be changed to the Forwarding state without going through other states? ()
Question118: All ports on the root bridge switch are designated ports. ()
Question119: On the switch, which VLANs can be deleted by using the undo command?
Question120: What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
Question121: The management of users by NAS devices is based on domains. Each user belongs to a domain, and a domain is a group composed of users belonging to the same domain. ()
Question122: Which NAT can convert multiple private network addresses into one public network address to access the public network at the same time
Question123: The two switches shown in the figure below have both enabled the STP protocol. An engineer made the following conclusions on this network. Which conclusion do you think is correct?
Question124: At which layer of the OSI reference model do Ethernet switches operate? ( )
Question125: If it is UDP, the value of the protocol field of the network layer is 6 ()
Question126: Which bridge is in the configuration BPDU sent by the switchID. Impossible to appear?
Question127: CSS refers to the combination of two switch devices that support cluster features. Logically combined into one switch device. ()
Question128: The following is the statement about the election of active ports in link aggregation LACP mode. the correct one is? ()
Question129: The switch is connected to the host. What is the common port link type of the switch? ()
Question130: 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? ()
Question131: The output information of the routing table of a certain router is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
<R1>display ip routing-table
Route Flags: R-relay, D-download to fib
Question132: The following description of static and dynamic routing is wrong ().
Question133: VRP supports OSPF multi-process. If the process number is not specified when OSPF is enabled, the process number used by default is ().
Question134: According to the command shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Question135: 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)
Question136: NAT configuration is as follows, which IP can be converted when accessing the public network (RTA) acl2000 (RTA-acl-basic-2000) rule5 permit source 192.168.1.00.0.0.255 RTA-acl-basic-2000) rule 10 permit source 192.168. 2.0 0.0.0.255 RTA-acl-basic-2000)quit RTA)interface serial1/0/0 (RTA-Serial1/0/0 )nat outbound 2000 address-group1 no-pat *
Question137: "The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When using the command "display ip interface brief to view the port status, and found that the VLANIF10 interface is in the dow state, what should be done? Operation to restore the VLANIF10 interface to normal? ()
Question138: Currently, the company has a network administrator, and the AR2200 in the company network can be remotely managed by directly entering the password through Telnet. After the two new network administrators arrived, the company hopes to assign their own user names and passwords to all the administrators, as well as different levels of authority. So how should it be done? ()
Question139: Which of the following fields is not included in the He1lo packet of the OSPF protocol? ()
Question140: In the network as shown in the figure below, all routers run 0SPF protocol, which device is ABR?
Question141: UDP is oriented to connectionless and must rely on () to ensure the reliability of transmission. ()
Question142: 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?
Question143: In VRPOn the platform, the command"interfacevlanit<vlan-id>"The role is (). ()
Question144: What elements can NAPT convert? ()
Question145: In the RSTP protocol, when the root port fails, () will quickly convert to the new root port and immediately enter the forwarding state.
Question146: The switch is connected to the host. What is the common port link type of the switch?
Question147: The Layer 2 networking of WLAN refers to STA.
It uses AC as its own gateway. ()
Question148: In the RSTP protocol, when the edge port receives the configuration BPDU message, it loses the edge port attribute.
Question149: The WPLS tag header is encapsulated between the data link layer header and the network layer header of the message.
Question150: In the network shown in the figure below, when the 0SPF neighbor status is stable, what is the neighbor status of Router B and Router C?
Question151: Trunk ports can allow multiple VLANs to pass, including VLAN4096. ()
Question152: 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
Question153: Which of the configurations in the following options belong to a Layer 2 ACL?
Question154: On Huawei ARG3 series routers, what authentication modes does AAA. support? ()
Question155: By default, the root path cost of the root bridge in the STP protocol must be 0.
Question156: In the network shown in the figure below, the host logs in to router A through Telnet, and then obtains the configuration file of router B through FTP on the remote interface. How many TCP connections exist on router A at this time?
Question157: 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)
Question158: Which of the following statements about IPv6 anycast addresses are correct?
Question159: The switch receives a unicast data frame. If the destination MAC of the data frame can be found in the MAC surface, the data frame will be forwarded from the corresponding port of the MAC.
Question160: Which field of the ipv6 packet header can be used for QoS? ()
Question161: The LCP negotiation phase of the PPP protocol. If you completely follow the parameters sent by the other party. Which of the following messages is sent?
Question162: In an IPv4 network, AP supports static and DHCP methods to obtain IP addresses.
Question163: When planning a campus network, which of the following mask lengths is recommended for device interconnection IP addresses?
Question164: There is no need to write a hop when writing static routes at both ends of the PPP link. The Ethernet link needs
Question165: The following description of the specified port of the spanning tree is correct.
Question166: The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
<R1>display ip routing-table
Route Flags: R-relay, D-download to fib
Question167: Which of the following applications is based on the TCP protocol?
Question168: As shown in the figure, after the two routers are configured with 0SPF, the administrator configures the <silent-interface$0/0/0> command on RTA.
Is the following description correct? () (Multiple Choice Questions)
Question169: Which of the following messages is used for IPv6 stateless address autoconfiguration? ()*
Question170: The main function of the DNS protocol is ()
Question171: The ACL on AR G3 series routers supports two matching sequences. Configuration order and automatic sorting.
Question172: The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize SDN, not the essence.
Question173: What is the port number used by the FTP protocol control plane?
Question174: Which of the following elements are included in the routing table? ()*
Question175: To ensure that the same data flow is forwarded on the same physical link, which load sharing method does the Eth-Trunk adopt? ()
Question176: On the VRP platform, which of the following methods can be used to access the previous history command?
Question177: Which of the following descriptions about firewalls is wrong? ()
Question178: Which of the following statements about static routing is wrong?
Question179: What is the command for configuring the data forwarding mode on the AC as direct forwarding?
Question180: Which layer of protocol does ARP belong to
Question181: What kind of message does the DHCP server use to confirm that the host can use the IP address? ()
Question182: 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?
Question183: 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
Question184: System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()
Question185: Which of the following descriptions about the 0SPF area is correct ()*
Question186: The static MAC. address table will not be lost after the system restarts ()
Question187: When accessing across network segments, the source and destination IP will change, and the source and destination MAC will not change
Question188: Which of the following IPv6 addresses is a multicast address? ()
Question189: STA. Before associating to AP, it needs to obtain SSID through some message exchange. What are these messages? ()
Question190: What is the range of VLAN ID users can use?
Question191: The IP addresses of the VLANIF interfaces of the same switch cannot be the same. ()
Question192: DNS is used for domain name resolution
Question193: Which information of the data frame is used by the interface to determine whether to forward Layer 2 or Layer 3 forwarding? ()
Question194: Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()
Question195: Which of the following message types does DHCP contain?
Question196: In the STP protocol, which of the following factors will affect the election of the root switch? ()*
Question197: If the network address of a network is 10.1.1.0/30, what is its broadcast address? ()
Question198: 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)
Question199: Which of the following statements about static routing in Huawei equipment is wrong is.
Question200: Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ().
Question201: The administrator finds that the two routers stay in the 2-WAY state when establishing OSP neighbors, then the following description is correct ().
Question202: The Router ID of OSPF must be the same as the IP address of a certain interface of the router.
Question203: Which of the following fields does the MPLS header include?
Question204: How many port states does the RSTP protocol have?
Question205: The switch GE0/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch not carry when forwarding?()
Question206: Which of the following parameters is not included in the configuration BPDU of the STP protocol? ()
Question207: 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? ()*
Question208: 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
Question209: The output information of a certain switch is shown in the figure. Which of the following interfaces can forward data frames with VLAN-ID 40. And it does not carry tags when forwarding?
Question210: By default, the lease period for the DHCP server to assign an IP address is?
Question211: What are the ACL classifications*
Question212: Which statement about OSPF area division is wrong? ( )
Question213: 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? ()
Question214: What is the role of link aggregation? ()*
Question215: During data access, when accessing different network segments, the destination MAC. Encapsulate the MAC address of the gateway on the source host
Question216: The broadcast address is a special address in which the host bits in the network address are all set to 1, and it can also be used as a host address. ()
Question217: The following statement about the main functions of the router is wrong ()*
Question218: The CAPWAP protocol specifies the communication standard between AC and AP. Which of the following statements about the CAPWAP protocol is correct?
Question219: As shown in the figure below, host A and host B cannot communicate ()
Question220: The user cannot configure the VLAN ID to 0.
Question221: The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge ID switches will become the root bridge?
Question222: The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question)
Question223: The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this is ().
Question224: The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)
Question225: 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? ()*
Question226: Which of the following protocols does the RA message used in IPv6 stateless autoconfiguration belong to?
Question227: The configuration information of a certain port of the switch is shown in the figure, then this port carries VLAN TAG9 when sending data frames carrying which VLAN.
Question228: There is a TTL field in the IP packet header. The correct statement about this field is.
Question229: How many bytes is the length of the basic IPV6 header?
Question230: A company applies for a Class 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 to.
Question231: As shown in the figure below. All hosts can communicate normally. Which of the following statements are correct? () (Multiple Choice Questions)
Question232: 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.
Question233: 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 5489-985-18a8 from port Eth0/0/2, which of the following statements is correct?
Question234: In order to realize the network layer function on the VLANIIF interface, need to be configured on the VLANIF interface? ()*
Question235: Which of the following statements about RA.
and RS messages in IPv6 are correct? ()*
Question236: Which of the following commands can be used to query the configuration information of the device's 0SPF protocol? ()*
Question237: How many types of data flows with different service levels can be marked based on MPLS labels?
Question238: What kind of message does the OSPF protocol use to confirm the received LSU message?
Question239: What is the length of the basic IPv6 header in bytes? ()
Question240: The following rules exist in an ACL of a router. Rule deny top source192.168, 1.00.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 is the correct statement? ()
Question241: The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
Question242: In the broadcast network, which routers will a DRother router exchange link status information with?
Question243: 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? ()
Question244: As shown in the figure below. All switches enable the $P protocol and keep other configurations in their default state. When the network is stable, are the following statements correct? () (Multiple Choice Questions)
Question245: As shown in the figure, the switch runs STP with default parameters. Which of the following ports will be elected as the designated port? () (Single-choice question)
Question246: If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
Question247: 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)
Question248: Since the TCP protocol uses a three-way handshake mechanism when establishing a connection and closing a connection, TCP supports reliable transmission.
Question249: For switches running the STP protocol, the port needs to wait for the forwarding delay in the Learning state before it can be converted to the Forwarding state.
Question250: SNMPv1 defines five protocol operations. ()
Question251: The Backup port in RSTP can replace the failed root port.
Question252: The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.
Question253: Both pwD. and dir commands in the VRP operating platform can view the file information in the current directory, ()
Question254: A DHCP server is deployed in the network, but the administrator found that some hosts did not correctly obtain the address specified by the DHCP server. What are the possible reasons?
Question255: 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.
Question256: The priority of OSPF routing protocol is ()
Question257: Which of the following authentication methods do not need to enter a user name and password.
Question258: In the network shown in the figure, the administrator wants all hosts to be unable to access the Internet between 8:00-17:00 every day. In the G0/0/1 interface configuration, which ACL rule needs to be bound to traffic-filter outbound?
Question259: How to add AP on AC.? ()*
Question260: When building a campus network, which of the following protocols can be used to avoid Layer 2 loops?
Question261: The AP obtains the version from the AC to upgrade the mode:
Question262: Which of the following elements are included in the routing table? ()*
Question263: If the administrator wants to completely delete the old device configuration file, the following command is correct ().
Question264: When the switch receives a unicast data frame, it will look up the destination MAC address in the MAC surface. Which of the following statements is wrong?
Question265: 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)
Question266: Which of the following commands can be used to check the session status of the PPPoE client?
Question267: The login timeout period in the VRP system can only be set under the VTY interface.
Question268: When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()
Question269: Which of the following types of addresses are not included in IPv6 addresses? ()
Question270: The role of the collaboration layer in the SDN architecture is to complete job deployment based on user intentions. OpenStack belongs to the business collaboration layer ()
Question271: 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 ()
Question272: In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B.
What are the destination MAC and destination IP of this packet? () (Single-choice question)
