h12-811-v1.0 4

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. (). True. False.

On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. (). True. False.

Trunk ports can allow multiple VLANs to pass, including VLAN4096. (). True. False.

The following is the statement about the election of active ports in link aggregation LACP mode. the correct one is? (). The interface priority is compared first, and the better one cannot be judged to continue to compare the interface number, the smaller the better. Only compare interface priority. Compare device priority. Only compare interface numbers.

Which of the following parameters is not included in the configuration BPDU of the STP protocol? (). Port ID. VLAN ID. Bridge ID. Root ID.

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? (). easy-ip. NAPT. Static NAT. BasiC.NAT.

After FIT AP obtains AC.'s IP address, what is the first operation to perform? (). Upgrade software version. Download the configuration. Establish a CAPWAP tunnel. Request configuration file.

How many types of data flows with different service levels can be marked based on MPLS labels? (). 4. 2. 16. 8.

The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations. (). True. False.

Network devices running the SNMP protocol run an agent process locally. (). True. False.

Which of the following are not the characteristics of a small campus network? (). Simple network level. Fewer users. Simple network requirements. Wide coverage.

Which of the following information prompts is used by the VRP operating platform for incomplete input commands? (). Error Ambiguous commanD.founD.at"position. False Incomplete commanD.founD.at'position. Error:Too many parameters founD.at'position. Error: Wrong parameter founD.at'position.

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 (). DesignateD. port. Alternate port. Disable port. Root port.

If host A. has the ARP cache of host B., host A. can ping host B. (). True. False.

By default, what is the ForwarD.Delay time of the STP protocol in seconds? (). 5. 10. 15. 20.

Which of the following statements is correct for the ACL configured in the Telnet application? (). The device with P address 172.16.105.4 can use Telnet service. The device with IP address 172.16.105.3 can use Telnet service. The device with IP address 172.16.105.5 can use Telnet service. The device with P address 172.16.105.6 can use Telnet service.

Which of the following fields is not included in the HELL0 packet of the OSPF protocol? (). Neighbor. Network Mask. HelloInterval. Sysname.

All interfaces of the router belong to the same broadcast domain. (). True. False.

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? (). 200.200.200.202. 200.200.200.200. 200.200.200.203. 200.200.200.1.

Among the following commands for configuring the default route, the correct one is (). (Huawei-Seria10) ip route-statiC.0.0.0.0 0.0.0.00.0.0.0. (Huawei) ip route-statiC.0.0.0.0 0.0.0.0 192.168.1.1. (Huawei) ip route-statiC.0.0.0.0 0.0.0.0 0.0.0.0. (Huawei) ip route-statiC.0.0.0.0 255.255.255.255192.168.1.1.

If the network address of a network is 192.168.1.0, then its broadcast address must be 192.168.1.255. (). True. False.

On Huawei ARG3 routers, the -i parameter of the Ping command in VRP is used to set (). Destination IP address for receiving Echo Reply reply. The source IP address of the Echo Request message. Interface for receiving Echo Reply messages. Interface for sending Echo Request messages.

If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. (). True. False.

Which of the following advantages does the single-arm routing method achieve routing intercommunication between Vlan? (). Reduce the number of equipment. Reduce routing table entries. Reduce the use of IP addresses. Reduce the number of chain connections.

The VlanIF IP addresses of the same switch cannot be the same. (). True. False.

When the host frequently moves, which VLAN division method is most appropriate? (). Based on MAC. Address division. Based on strategy division. Based on IP subnetting. Based on port division.

The Backup port in RSIP can replace the failed root port. (). True. False.

vlan-id"The role is (). () In VRPOn the platform, the command"interfacevlanit. Create a VLAN. No such command. Create or enter VLAN virtual interface view. Configure VLAN for a port.

Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. (). True. False.

When deploying ACL on Huawei equipment, which of the following descriptions is correct is (). When calling ACL under the interface, it can only be applied to the outbound direction. ACL can match the TCP/UDP port number of the packet, and can specify the range of port numbers. ACL cannot be used to filter OSPF traffic, because COSPF traffic does not use UDP protocol encapsulation. The same ACL can be called under multiple interfaces. When ACL defines rules, it can only proceed in the order of 10, 20, 30.

The configuration of the country code will affect the actual frequency used for transmission and the maximum transmission power (). True. False.

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 (). True. False.

VRP operating platform, which of the following commands can only view static routes? (). display ip routing-table protocol static. display ip routing-table. display ip routing-table verbose. display ip routing-table statistics.

IP route--statiC.10.0.12.0255.255.255.0192.168.1.1 About this command description is correct (). This command configures a route to the 10.0.12.0 network. The priority of this route is 100. If the router learns a router with the same destination network as this route through other protocols, the router will prefer this route. This command configures a route to the 192.168.1.1 network.

192.168.1.127/25 represents () address (). broadcast. Multicast. The internet. Host.

What are the characteristics of VLAN based on ports? (). Add an AVLAN tag to the data frame according to the IP address carried in the message. Assign VLAN ID according to the protocol type and encapsulation format of the data frame. No need to reconfigure VLAN when the host moves. When the host moves, the VLAN needs to be reconfigured.

In which working state of the port in the STP protocol can it be changed to the Forwarding state without going through other states? (). Listening. Disabled. Blocking. Learning.

The configuration information of a certain interface of the router is shown in the figure. Which VILAN data packet can this port receive? () interface Gigabit Ethernet 0/0/2.30 dotlq terainatlon viD.100 ip address 10.0.21.1 255.255.255.0 arp broadcast enable. 1. 100. 30. 20.

In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops? (). VRRP. ARP. UDP. STP.

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. (). True. False.

When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID. (). True. False.

Which of the following packet types is used by RADIUS to indicate authentication rejection? (). Access-Accept. Access-Request. Access-Challenge. Access-Reject.

NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets (). True. False.

Which of the following authentication methods does not require the user name and password? (). authentication-mode local. authentication-mode none. authorization-mode hwtacacs. Authentication-mode hwtacacs.

The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? (). CAPWAP is an application layer protocol based on TCP transmission. In order to establish a CAPWAP tunnel, the FIT Ap can only discover the AC through broadcast messages. In order to reduce the burden on the AP, CAPWAP uses a tunnel to simultaneously transmit control messages and data messages. The AP can encapsulate the user's data message in CAPWAP and hand it over to the AC.

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 (). No matter when the data is forwarded, the user's data message will be forwarded by AC. User access control. User access authentication. AP configuration delivery.

How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets (). 32. 8. 4. 16.

1/128 is the IPv6 loopback address (). True. False.

Which of the following IPv6 is a global unicast address (). 2001::12:1. FF02:1. FF:02:2E0:FCFF:FEEF:FEC. FEE:FCFF:FEEF:FEC.

About the above configuration command is correct (). Modify the user's authority level to 3. And save the configuration. Modify the limit level of the save command used by a user to 3. Modify the permission level of the user view command to 3, and save the matching sinus. Modify the permission level of the save command in the user view to 3.

When planning a campus network, which of the following methods can be used to divide service VLANs? (). Divide vlan according to the access member structure. VLAN by business. Divide VLAN by logical area. Divide VLAN into J by geographical area.

Which of the following descriptions about firewalls is wrong? (). Firewall can isolate networks of different security levels. The firewall cannot network address translation. Firewall can realize user identity authentication. Firewall can realize access control between different networks.

The correct setting of the terminal emulation program when configuring the router through the Console (). 19200bps, 8 data bits, 1 stop bit, no checksum and no flow control. 9600bps, 8 data bits, 1 stop bit, even parity and hardware flow control. 9600bps, 8 data bits, 1 stop bit, no checksum and no flow control. 4800bps, s data bit, 1 stop bit, odd checksum and no flow control.

The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. (). True. False.

Which of the following commands to configure the default route is correct? (). (Huawei-serialO)ip route-statiC.0.0.0.0 0. 0.0.00.0.0.0. (Huawei)ip route-statiC.0.0.0.0 255.255.255.255192.168.1.1. (Huawei)ip route-statiC.0.0.0.0 0.0.0.0 192.168.1.1. (Huawei)ip route-statiC.0.0.0.0 0.0.0.0 0.0.0.0.

Which of the following fields is not included in the He1lo packet of the OSPF protocol? (). Network Mask. sysname. HelloInterval. Neighbor.

What is the protocol number corresponding to the ospf protocol at the network layer? (). 89. 6. 0. 1.

Which of the following statements about the role of the STP protocol ForwarD.Delay is correct? (). Prevent temporary loops. There is a delay in the transition between Blocking state and DsiableD state. Reduce the time interval of BPDu transmission and improve the convergence speed of STP. Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches.

Which of the following is not the reason why RSTP can increase the speed of convergence? (). Fast switching of the root port. The introduction of edge ports. Forward.Delay cancelled. P/A. Mechanism.

Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs (). True. False.

The following description about the specified port of the spanning tree is correct (). Each switch has only one designated port. The designated port can forward configuration BPDU packets to the network segment connected to it. The port on the root switch must be a designated port. The port on the root switch must not be a designated port.

On the VRP platform, which of the following methods can be used to access previous historical commands? (). Ctr1 U. Ctr1 P. Left cursor. Up cursor.

The subnet mask of a network segment 150.25.0.0 is 255.255.224.0, then () is a valid host address in this network segment. (). 150.25.2.24. 150.25.0.0. 150.25.1.255. 150.15.3.30.

On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages (). True. False.

The following statement about the TTL field in the IP packet header is correct. (). TTL defines the time interval at which the source host can send data packets. TTL defines the number of packets that the source host can send. Each time a P packet passes through a router, its TTL value will be reduced by 1. Each time an IP packet passes through a router, its TTL value is increased by 1.

The WPLS tag header is encapsulated between the data link layer header and the network layer header of the message. True. False.

SNMP messages are carried over UDP. True. False.

Which of the following address types does IPV6 have?. Anycast address. Link local address. Multicast address. Unicast address. Broadcast address.

The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. True. False.

Which of the following statements about Python is incorrect?. Python has a wealth of third-party libraries. Python is a fully open source high-level programming language. Python can be used for automated operation and maintenance scripts, artificial intelligence data science and many other fields. Python has a clear grammatical structure, is simple and easy to learn, and runs efficiently.

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. (). True. False.

When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? (). 36864. 4096. 24576. 32768.

The login timeout time in the VRP system can only be set under the vty interface. (). True. False.

What kind of network equipment can host A and host B use to achieve communication?. router. Hub. HUB. Layer 2 switch.

Which of the following IPv4 addresses is a class A address? (). 192.168.1.1. 100.1.1.1. 127.0.0.1. 172.16.1.1.

The config mode is the default ACL matching order on Huawei devices. (). True. False.

NAPT allows multiple private IP addresses to be mapped to the same public P address through different port numbers. The following description of the port number in NAPT is correct (). The correspondence between port numbers and private addresses must be manually configured. No need to do any configuration about port number. Only need to configure the range of port numbers. Need to use ACL to assign port numbers.

Does the WEP security policy support the use of TKIP for data encryption?. True. False.

When the FIT AP goes online, the software version will be downloaded from AC. True. False.

Which of the following interfaces are not open to Huawei controllers?. NETCONF. RESTful. AAA. OpenFlow.

If the administrator wants to completely delete the old device configuration file, the following command is correct (). clear config.zip. delete /unreserveD.config.zip. delete /force config.zip. reset config.zip.

What is wrong about the following description of the router? (). The router can be used as a gateway device. The router cannot isolate the broadcast domain. The router can realize IP packet forwarding. The router works at the network layer.

WBy default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? (). 10s. 40s. 30s. 20s.

By default, what is the RouterDeadInterval of the ospf protocol on the broadcast network? (). 10s. 40s. 30s. 20s.

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? (). =-d. =-a. =-S. =-n.

All interfaces of routers running OSPF protocol must belong to the same area (). True. False.

What is the total length of port ID in Spanning Tree Protocol? (). 2. 8. 4. 16.

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 (). The switch will broadcast this data frame to all ports (except the receiving port) in the VLAN where the data frame is located. The switch will broadcast the data frame to all ports. The switch will discard this data frame. The switch will broadcast this data frame to all Access ports.

In the RSTP protocol, when the edge port receives the configuration BPDU message, it loses the edge port attribute. (). True. False.

STA. The only way to discover the wireless network is the Beacom frame sent by the AP. (). True. False.

Which of the following commands can be used to check the session status of the PPPoE client? (). display current configuration. display pppoe-client session summary. display ip interface brief. display pppoe-client sessi on packet.

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. 10.0.6.7. 10.0.4.5. 10.0.5.6. 10.0.2.I.

Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions? (). MRU. CHAP. Magic word. PAP.

What is the default step length of ACL on AR G3 series routers? (). 10. 5. 20. 15.

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. (). True. False.

Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? (). 2FFF:ODAC.:ABEF:0000:0000:0000:CDAA4:0732. 2FFF:ODAC:ABEF 0000:0000:CDAA:0732. 2FFF DACO:ABEF 0000000:0000:CDAA:0732. 2FFF:ODAC:ABEF:0000:0000:0000:CDAA:7320.

What kind of packets does the OSPF protocol use to request LSAs that are missing locally? (). HELLO. LSACK. LSR. LSU.

Only the WPA2-PSK security policy supports the use of TKIP for data encryption. (). True. False.

VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be deleted. (). True. False.