Question1: 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 ().
Question2: Regarding the configuration shown in the figure, which statement is correct? () (Single-choice question)
Question3: VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be deleted. ()
Question4: The following protocols are China's link state routing protocol
Question5: The following statement about static routing in Huawei equipment is wrong ().
Question6: In the network shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Question7: If host A. has the ARP cache of host B., host A. can ping host B. ()
Question8: As shown in the figure below. Which port of the following switches will be blocked? () (Single- choice question)
Question9: The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this is ().
Question10: Which of the following elements are included in the routing table? ()*
Question11: Which of the following commands can be used to check the session status of the PPPoE client?
()
Question12: The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
Question13: What kind of message does the DHCP server use to confirm that the host can use the IP address?
Question14: Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()
Question15: The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.
Question16: Under the command line interface of Huawei AR router, the save command is used to save the current system time.
Question17: 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?
Question18: What kind of packets does the OSPF protocol use to discover and maintain neighbor relationships? ()
Question19: 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? ()
Question20: For switches running the STP protocol, the port needs to wait for the forwarding delay in the Learning state to transform into the Forwarding state. ()
Question21: When the device running STP receives the RSTP configuration BPDU, it will discard it. ()
Question22: Which of the following packet types is used by RADIUS to indicate authentication rejection?
Question23: What kinds of stable states does the neighbor relationship of OSPF protocol have? (Multiple Choice)
Question24: In the VRP interface, use the command startup saved-configuration backup.cfg. Configure the startup.cfg file to be used at the next startup ()
Question25: 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? ()
Question26: According to the command shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Question27: The mask length is 12 bits can be expressed as?
Question28: As shown in the figure below. All hosts can communicate normally. Which of the following statements are correct? () (Multiple Choice Questions)
Question29: When the host frequently moves, which VLAN division method is most appropriate? ()
Question30: 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? ()
Question31: 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? ()
Question32: The following description of the Layer 2 Ethernet switch is incorrect ().
Question33: The output information of the sub-interface of a certain router's aggregation port 1 is shown in the figure. Based on this information, which of the following statements is correct? ( )
[Router A] display Interface Eth-Trunk 1.100Eth-Trunk1.100 current state UP Line protocol current state UP Last line protocol up time 2019-03-04 10:22:40 UTC.-08:00 Description:
HUAWEI, ARSeries, Eth-Trunk1.100 Interface Route Port, Hash arithmetiC.:According to SIP- XOR-DIP, Maximal BW:2G.Current BW:2G, The Maximum Transmit Unit is 1500 Internet Address is 10.0.12.2/24 IP Sending Frames'Format is PKTFIT ETENT 2, Hardwareaddress 1s 00e0-fc3b-2015 Current system time:2019-03-04 10:24:29-08:00 Last 300 seconds input rate0 bits/sec.0 packets/sec Last
300 seconds output rate 0 bits /seC.0 packets/sec Realtime 0 seconds inputrate 0 bits/seC.0 packets/sec Realtime 0 seconds output rate 0 bits/seC.0 packets/sec Input: 6 packets, 574 bytes, Output: 7 packets, 638 bytes, Input bandwidth utilization 0% Output bandwidth utilization 0% PortName Status Weight GigabitEthernet0/0/1 UP 1 GigabitEthernet0/0/2 UP 1 The Number of Ports in Trunk:2 The Number of UP Ports in Trunk:2*
Question34: 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 91.0.0.16 because the mask length of this route is longer. ()
Question35: The two ends of the PPP link are not in the same network segment and cannot communicate
Question36: In the campus network, the reliability of the network can be improved by using link aggregation and stacking technology. ()
Question37: The administrator cannot log in to the Huawei router through Telnett, but other administrators can log in normally, so which of the following are the possible reasons? ()*
Question38: At what layer of the OSI reference model does a router operate? ( )
Question39: Which of the following descriptions of wireless devices is correct? ()
Question40: Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()
Question41: What kind of message does the 0SPF protocol use to request the locally missing LSA? ()
Question42: The MAC address table of existing switches is shown in the figure.
Which of the following statements are correct? () (Single-choice question) Huaweidisplay 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
Question43: What is the total length of an IPv6 address in bits? ()
Question44: When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header?
Question45: The router Radius information configuration is shown in the figure. Which of the following
#Radius-server template Huawei radius-server shared.key cipher statements are correct?
Huawei radius-server authentication 200.0.12.1 1812 radius-server accounting 200.0.12.1 1813#*
Question46: What is the role of link aggregation? ()*
Question47: After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is? ()
Question48: 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.
Question49: The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
Question50: When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()
Question51: Which of the following refers to network communication? ()*
Question52: Which of the following message types does DHCP contain?
Question53: 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)
Question54: In the broadcast network, 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 ()
Question55: PPPoE sessions can only use CHAP authentication ()
Question56: 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)
Question57: The following two configuration commands can implement router RIA. The route to the same destination 10.1.1.1.0 is active and standby:
Question58: 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
Question59: The output information of a certain router is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Question60: On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages.
Question61: Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()
Question62: The administrator configures R1 as shown in the figure. But R1 cannot learn the routes of other routers, so it may be.
The reason is? () (Multiple Choice Questions)
Question63: 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? ()
Question64: The static MAC. address table will not be lost after the system restarts ()
Question65: The DHCP request message is sent by broadcast
Question66: 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? ()
Question67: 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)
Question68: 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 ()
Question69: Which NAT can convert multiple private network addresses into one public network address to access the public network at the same time
Question70: Which of the following levels is not a common network level in mid-sized campus network architecture?
Question71: Ethernet_I containing the Ethernet headerIWhat is the length of the frame? ()
Question72: The switch is connected to the host. What is the common port link type of the switch? ()
Question73: On Huawei routers, what is the default value of the OSPF protocol internal routing priority?
Question74: Which authorization modes are supported by AAA on Huawei ARG3 series routers? ()*
Question75: Among the following commands for configuring the default route, the correct one is ()
Question76: Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ()
Question77: Which statement about the dynamic AC. address table is correct?
Question78: When the FIT AP goes online, the software version will be downloaded from AC.
Question79: In the MAC address table of the switch, which of the following entries will not age?
Question80: Which field of the Pv6 packet header can be used for Q0s? ()
Question81: Which of the following information is not included in the MAC address table of the switch? ()
Question82: Which of the following cannot be the length of the IPv4 packet header?
Question83: 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)
Question84: By default, the bridge priority of Huawei switches is 32768.
Question85: UDP cannot guarantee the reliability of data transmission, and does not provide the functions of message sequencing and flow control. It is suitable for flows with low transmission reliability requirements but high transmission speed and delay requirements.
Question86: 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)
Question87: When using the ping command on the VRp platform, if you need to specify an IP address as the source address of the echo request message, which of the following parameters should be used?
()
Question88: RADIUS is a common protocol to implement AAA.
Question89: 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?
Question90: Which of the following is not the reason why RSTP can increase the speed of convergence? ()
Question91: Which of the following statements about single-arm routing are correct? ()
Question92: By default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? ()
Question93: By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to N? ()
Question94: Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions? ()
Question95: 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?
Question96: In the OSPF protocol, which of the following descriptions of DR is correct? ()
Question97: Which of the following fields does the MPLS header include? ()*
Question98: Which of the following does not include the advantages of Wi-Fi 6 compared to Wi-Fi 5?
Question99: 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? ()
Question100: In which working state of the port in the STP protocol can it be changed to the Forwarding state without going through other states? ()
Question101: The administrator wants to configure the P address on the G0/0/0 interface of the router. Which of the following addresses is correct?
Question102: The routing table is generated by ()*
Question103: Trunk ports can allow multiple VLANs to pass, including VLAN4096.
Question104: Using the command mkdir test in the VRP operating platform, the system will create a directory named test.
Question105: STA. The only way to discover the wireless network is the Beacom frame sent by the AP. ()
Question106: The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()
Question107: 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)
Question108: Which of the following options describes the concept of the IEV architecture correct? ()*
Question109: What is the port number used by the FTP protocol control plane?
Question110: Which of the following address types does IPV6 have?
Question111: Basic ACL number value range ().
Question112: The following statement about the TTL field in the IP packet header is correct. ()
Question113: Which of the following statements about RA and RS messages in IPv6 are correct? ()*
Question114: The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB.
Question115: 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. ()
Question116: 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
Question117: The configuration of the country code will affect the frequency used for actual transmission and the maximum transmission power. ()
Question118: If the broadcast address of a network is 172.16.1.255, what might its network address be?
Question119: In order to realize the network layer function on the VLANIF interface, do you need to configure it on the VLANIF interface? ()
Question120: 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 ().
Question121: Which frequencies does IEEE802.11n support? ()
Question122: When the switch port sends a data frame that carries the same VLANTAG and PVID., it must be stripped of VLANTAG and forwarded. ()
Question123: As shown in the figure below, are the following statements correct? () (Multiple Choice Questions)
Question124: Which of the following advantages does the single-arm routing method achieve routing intercommunication between Vlan? ()
Question125: 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
Question126: The load sharing mode at both ends of the Eth-Trunk can be inconsistent.
Question127: 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)
Question128: Which of the following parameters cannot be used for advanced access control lists? ()
Question129: As name is admin and the password is Huawei (@123. The following is the correct way to log in to this device using telnetliB. ()
Question130: PAP authentication is more secure than CHAP authentication because it does not carry passwords in clear text
Question131: When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route, it will directly discard the data packet.
Question132: If the Length of an Ethernet data frame/Type = 0x8100, which of the following statements is correct? ()
Question133: The vty distribution responsibility is shown in the figure, and the user authority level is set to level
3.
()
Huaveiuser-interface vty o 14 Huavei-ul-vtyo-14acl 200o inbound Huavei-ui-vtyo-14Juser Huavei-ui-vtyo-14authentication-node passworD.
Please Configure the login privilegelevel 3 passvord (maxiu length 16): huavei
Question134: Which of the following networks belong to a local area network? ()
Question135: The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question)
Question136: Use the ACL shown in the figure on the router RTA to match routing entries. Then which of the following entries will be matched?
(RTA) acl 2002
(RTA-acl-basic-2002) rule deny source 172.16.1.1 0.0.0.0
(RTA-acl-basic-2002) rule deny source 172.16.0.0 0.255.0.0
Question137: As shown in the figure below, which of the following statements is correct? () (Single-choice question)
Question138: The network is shown in the figure below. The following statementcorrectIs there? () (Multiple Choice Questions)
Question139: Which of the following statements about the usage scenarios of the DHCP protocol is correct? ()
Question140: The following description about the specified port of the spanning tree is correct ()
Question141: Which state does the 0SPF protocol use to indicate that the adjacency relationship has been established? ()
Question142: The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is wrong? () interface GigabitEthernet0/0/1 port link type trunk port trunk pviD.vlan 200 port trunk allow-pass vlan100#
Question143: Which of the following features does the OSPF protocol have? ()*
Question144: If the administrator wants to completely delete the old device configuration file, the following command is correct ().
Question145: 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. ()
Question146: The Backup port in RSIP can replace the failed root port. ()
Question147: The VlanIF IP addresses of the same switch cannot be the same. ()
Question148: By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap messages to the network management system? ()
Question149: What is the length of the basic IPv6 header in bytes? ()
Question150: In the STP protocol, which of the following factors will affect the election of the root switch? ()*
Question151: Which parameter is used in the spanning tree protocol for root bridge election?
Question152: Which of the following interfaces are not open to Huawei controllers?
Question153: The output information of a certain router is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Question154: As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)
Question155: 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) R1display ip routing-table Route Flags: R-relay, D-download to fib
Question156: When deploying ACL on Huawei equipment, which of the following descriptions is correct is ()
Question157: In an IPv4 network, AP supports static and DHCP methods to obtain IP addresses. ()
Question158: Apply the ACL configured in the figure in Telnet. Only the device with the IP address of
172.16.105.2 is allowed to log in remotely: ()#acl number 2000 rule 5 permit source
172.16.105.20#
Question159: 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 ().
Question160: How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets?
Question161: As shown in the figure below. Host A and Host B cannot communicate. ()(True or False)
Question162: The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)
Question163: What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*
Question164: VRP operating platform, which of the following commands can only view static routes?
Question165: Which of the following options describes the concept of NFV architecture correct?
Question166: Which of the following methods can read data non-blocking in Python's telnetlib?
Question167: In the OSPF protocol, the correct one in the following description of DR is (). ()*
Question168: Which of the following applications is based on the TCP protocol?()*
Question169: Which of the following working modes are supported by Huawei enterprise APs? ()*
Question170: ,:: 1/128 is the IPv6 loopback address.
Question171: Which of the following statements about single-arm routing are correct? ()*
Question172: 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? ()
Question173: In the network shown in the figure below, the router receives a data packet with a destination IP address of 11.0.12.1 from hostA. This data packet is forwarded by the router.
What are the destination mc and destination IP? () (Single-choice question)
Question174: 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? ()
Question175: 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)
Question176: Which of the following are not the characteristics of a small campus network? ()
Question177: If the Ethernet data frame Length/Type=0X0806, which statement is correct ()*
Question178: There is no need to write a hop when writing static routes at both ends of the PPP link. The Ethernet link needs
Question179: As shown in the figure, there are three data packets captured by the administrator on the network. Which of the following statements is incorrect? (Single choice question) Source destination protocol info SYNseq0win8192Len0mss146010.0.12.2 10.0.12.1
10.0.12.110.0.12.2TCp50190>telnet
SYN, ACKseg-0 Ack-1 win-8192 Len-0mss=1460
TCP telnet:50190
10.0.12.110.0.12.2 TCP50190>telnet(ACK)seq-1Ack=1win=81921en=0
Question180: The switch GE0/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch not carry when forwarding?()
Question181: In the figure below, all switches have enabled the STP protocol, assuming that the path cost value of all ports is 200. What is the root path cost value contained in the configuration BPDU message received by the G0/0/4 port of $WD? () (Single-choice question)
Question182: On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. ()
Question183: By default, the port cost calculated by STP has a certain relationship with the port bandwidth, that is, the larger the bandwidth, the higher the cost ()
Question184: 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.
Question185: 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)
Question186: Which of the following protocols is OSPF based on?
Question187: All ports on the root bridge exchange machine are designated ends ()
Question188: How many types of data flows with different service levels can be marked based on MPLS labels?
Question189: The transport layer protocol has UDP and TCP, but UDP is more reliable than TCP
Question190: By default, what is the lease period for the DHCP server to assign an IP address? ()
Question191: In IPv4 network, AP supports static and DHCP to obtain IP address ()
Question192: 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)
Question193: All the devices in the picture can communicate normally. Is the corresponding relationship between the MAC address table of $WA and the port correct? () (Single-choice question)
Question194: FAT AP can independently complete wireless user access, wireless user authentication, and business data forwarding without AC.
Question195: Which of the following authentication methods does not require the user name and password?
Question196: Which information of the data frame is used by the VLANIF interface to determine whether to perform Layer 2 or Layer 3 forwarding? ()
Question197: How to enter in the vP operating system OView of SPF area 0? ()*
Question198: As shown in the figure below, assuming that the MAC address table of SWA. is as follows, now host A. sends a data frame with a destination MAC address of MAC-B.
Which of the following statements is correct? ()
Question199: DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts automatically. The messages used are ()
Question200: Among the configuration BPDUs sent by the switch, which bridge D. is unlikely to appear? ()
Question201: Which of the following IPv6 addresses is a multicast address? ()
Question202: The priority of OSPF routing protocol is ()
Question203: 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? ()
Question204: Which fields in the IPv4 header are related to fragmentation? ()*
Question205: Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs ()
Question206: The following description of static and dynamic routing is wrong ().
Question207: Which of the following statements about IPv6 address configuration is correct? ()*
Question208: Which of the following are not open interfaces for Huawei network equipment? ()*
Question209: 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.
Question210: The following description about the specified port of the spanning tree is correct ()
Question211: As shown in the figure below, host A and host B cannot communicate ()
Question212: To provide different network services for different users on the AP, which of the following can be configured?
Question213: What kind of message does the OSPF protocol use to confirm the received LSU message?
Question214: About the above configuration command is correct ()
Question215: The 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 deny source 192.168. 1.30 (RTA-acl-basic-2000) quit RTA) interface serial1/0/0 (RTA-Serial1/0/0) nat outbounD.2000*
Question216: Which of the following is not the reason why RSTP can increase the speed of convergence? ()
Question217: 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 ()
Question218: Which of the following IPv4 addresses can be used by a host to directly access the Internet?
Question219: What is the number range of the Layer 2 ACL? ()
Question220: The network structure and OSPF partition are shown in the figure. Except for RTA in the figure, the routers RTB, RTC and RTD are all ABR routers. ()(True or False)
Question221: FIT AP can work independently without relying on AC.
Question222: System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()
Question223: Which of the following commands can change the device name to huawei? ()
Question224: Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ()
Question225: As shown in the figure below, what kind of network equipment can host A and host B use to communicate? () (Single-choice question)
Question226: When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized.
Question227: As shown in the figure below, all hosts can communicate normally. Is the correspondence between the MAC address and the port in the MAC address table of SWB correct? () (Single- choice question)
Question228: Network administrators use Ping to test the connectivity of the network. Which of the following protocols may be used in this process? ()
Question229: When the LCP phase of PPP is negotiated, the content of the negotiation includes ()*
Question230: Which information of the data frame is used by the interface to determine whether to forward Layer 2 or Layer 3 forwarding? ()
Question231: 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. ()
Question232: What is the priority value of the direct route entry?
Question233: The IEEE 802.11ac standard only supports the 5GHz frequency band.
Question234: In order to detect the connectivity status of the CAPWAP tunnel, after the CAPWAP tunnel is established, which of the following CAPTAP messages is used by the AC for detection? ()*
Question235: "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? ()
Question236: What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
Question237: UDP is connectionless and must rely on () to ensure the reliability of transmission.
Question238: Which of the following statements about Prefix Segment is wrong? ()
Question239: Which of the following statements about the Hybrid port are correct?
Question240: 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) Huaweidisplay stp interface Ethernet 0/0/1 CIST Global InfoMode 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
Question241: Which of the following IPv6 is a global unicast address?
Question242: Which of the following IEEE802.11 standards only supports the 2.4GHz frequency band for communication? ()
Question243: Regarding the corresponding relationship between the access control list number and type, the following description is correct ()
Question244: When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?
Question245: 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. ()
Question246: The FIT AP can obtain the IP address of AC. through the DHCP Option to establish a CAPWAP tunnel. Which Option needs to be configured on the DHCP server for this? ()
Question247: Both pwD. and dir commands in the VRP operating platform can view the file information in the current directory, ()
Question248: Which packet type is used by network devices running the SNMPv1 protocol to actively send alarm information? ()
Question249: The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions) R1display ip routing-table Route Flags: R-relay, D-download to fib
Question250: Which of the following statements about the various versions of the SNMP protocol are correct?
Question251: For the description of the PPP link establishment process, the following statement is wrong ()
Question252: 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? ()
Question253: Compared with STP, which of the following port roles are newly defined in RSTP? ()*
Question254: FIT AP does not need AC. It can also work independently ()
Question255: 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 ()
Question256: AAA. Which of the following is not included? ()
Question257: What is wrong about the ARP message? ()
Question258: What is the total length of the VLAN frame format defined by IEEE802.1Q?
Question259: Take effect immediately after the Router ID of the OSPF process is modified ()
Question260: If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?
Question261: 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? ()
Question262: Which of the following features does the default VLAN in the Layer 2 Ethernet switch have? ()*
Question263: The Layer 2 networking of WLAN refers to STA. It uses AC as its own gateway. ()
Question264: 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)
Question265: 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? ()*
Question266: The switch G0/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch forward without VLANTAG? ? () (Single-choice question)
Question267: If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
Question268: On Huawei ARG3 series routers, what authentication modes does AAA support? ()
Question269: The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
The broadcast address corresponding to the AEthernet0/0/0 interface is 10.0.12.255
Question270: 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)
Question271: By default, the root path cost of the root bridge in the STP protocol must be 0.
Question272: 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*
Question273: The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations.
Question274: The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host.
Question275: The tracert diagnostic tool in Huawei routers is used to track the data forwarding path.
Question276: In the network shown in the figure below, the bridge ID of the switch has been marked. Enter the command stp rootsecondary on the sWD. switch and the following switch will become the root bridge of this network. ()
Question277: The two-layer switch is a data link layer device, which can identify the MAC address information in the data frame, and record these MAC addresses and corresponding port information in its own MAC address table. ()
Question278: Which of the following protocols consist of the PPP agreement? ()*
Question279: By default, the bridge priority of Huawei switches is 32768.
Question280: The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()
Question281: The function of the 0SPF hel1o message is ()
Question282: Which of the following statements about Prefix Segment is wrong?
Question283: 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
Question284: 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
Question285: What are the stable states of OSPF neighbor relationship? ()*
Question286: Which of the following parameters need to be considered when electing a root port in STP? ()*
Question287: Which of the following parameters cannot be used for advanced access control lists? ()
Question288: In the MAC address table of the switch, which of the following entries will not age?
Question289: 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)
Question290: Which of the following elements are included in the routing table? ()*
Question291: All ports on the root bridge switch are designated ports.
Question292: Which of the following IEEE802.11 standards does not support communication in the 5GHz frequency band? ()
Question293: Which of the following statements about the default route are correct? ()
Question294: Which of the following port states does the RSTP protocol include? ()*
Question295: When the Access type port sends a message, it will ().
Question296: 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.Delay
Question297: Which category does the IPv6 address FE80:2E0:FCFF:FE6F:4F36 belong to? ()
Question298: On an interface that uses PPP as the data link layer protocol, you can configure a static route by specifying the next hop address or outgoing interface. ()
Question299: Which of the following statements about the election of DR and BDR are correct? ()*
Question300: The MPLS label header is encapsulated between the data link layer header and the network layer header of the message.
Question301: What are the network types supported by the OSPF protocol? ()*
Question302: What is the total length of port ID in Spanning Tree Protocol? ()
Question303: The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally, so which of the following are the possible reasons? ()*
Question304: NFV (Network Functional Virtualization), network function virtualization realizes the deployment of network applications in a software-based way.
Question305: After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
Question306: 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.
Question307: The role of the OSPF protocol is
Question308: What is the maximum negotiation rate supported by the IEEE802.11g standard? ()
Question309: The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()? (Multiple Choice Questions)
Question310: The following statement about static routing is wrong ()
Question311: 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? ()*
Question312: Which extension headers are supported by IPv6 packets?() *
Question313: On the VRP platform, the default protocol priority of routes in the direct route, static route, RIP.OSPF area, from high to low, is ()
Question314: Which of the following fields is not included in the HELL0 packet of the OSPF protocol?
Question315: Which of the following statements about MPLS Labe1 labels is wrong? ()
Question316: 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)
Question317: The network administrator has captured a data frame on the network, and its destination MAC address is 01-00-5E-A0-B1-C3. The correct statement about the MAC. address is ().
Question318: Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*
Question319: If it is UDP, the value of the protocol field of the network layer is 6 ()
Question320: Which of the following statements about link aggregation are correct? ()
Question321: Which of the following descriptions about the 0SPF area is correct ()*
Question322: For switches running STP protocol, the port can be directly converted to the Disabled state in any state.
Question323: 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)
Question324: As shown in the figure, the administrator hopes that all hosts cannot access the Internet from
8:00 to
17:00 every day. Which ACL rule needs to be bound to traffic-filter outbound in the interface configuration of G0/0/1? () (Single-choice question)
Question325: When configuring the PPP authentication mode as PAP, which of the following operations are necessary? ()*
Question326: The router running the 0SPF protocol can reach the FULL state after completing the LSDB.
synchronization. ()
Question327: 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? ()
Question328: The correct setting of the terminal emulation program when configuring the router through the Console ()
Question329: Which of the following commands can be used to query the configuration information of the device's 0SPF protocol? ()*
Question330: In order to realize the network layer function on the VLANIIF interface, need to be configured on the VLANIF interface? ()*
Question331: 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. ()
Question332: 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)
Question333: The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*
Question334: The Backup port in RSTP can replace the failed root port ()
Question335: In standard STP mode, which of the following non-root switches will forward the C-set BPDU generated by the root switch? ()
Question336: Which of the following IPv4 addresses the host uses cannot directly access the Internet?
Question337: The router needs to modify the destination IP address in the data packet when forwarding the data packet. ()
Question338: The configuration of the country code will affect the actual frequency used for transmission and the maximum transmission power ()
Question339: DNS is used for domain name resolution
Question340: Which of the following types does IPv6 address include? ()*
Question341: What is the function of the command port trunk allow pass vlan all? ()
Question342: A company applies for a C. 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. The subnet mask should be designed as ( )
Question343: The Layer 2 Ethernet switch generates entries in the MAC address table according to the ( ) of the Ethernet frame received by the port.
Question344: 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 ()
Question345: Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? ()
Question346: 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)
Question347: What are the advantages of the OSPF protocol? ()*
Question348: When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()
Question349: Telnetlib is a module that implements the Telnet protocol that comes with Python.
Question350: The HybriD. port can be connected to the user host or other switches. ()
Question351: What is the corresponding Solicited.-node multicast address for IPv6 iAilt2019::8:AB.? ()
Question352: The G0/0/1 interface configuration information of router A is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Question353: 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#
Question354: The second layer switch belongs to the data link layer device, which 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. ()
Question355: As shown in the figure. If host A has the ARp cache table of host B, then host A can ping host B.
()(True or False)
Question356: Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. ()