Huawei Huawei Certifications H12-811 Questions & Answers

• Question 561:

  What command can be typed in the system view to switch to the user view? ()

  A. quit

  B. user-view

  C. souter

  Correct Answer: B

• Question 562:

  As shown in the figure, is the description of this network topology correct? () (Single-choice question)

  

  A. There are 6 broadcast domains in this network

  B. There are 12 conflict domains in this network

  C. There are 6 conflict domains in this network

  D. There are 2 broadcast domains in this network

  Correct Answer: D

• Question 563:

  The IPv6 protocol uses NS and NA. packets for duplicate address detection ().

  A. True

  B. False

  Correct Answer: A

• Question 564:

  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? ()

  A. sourceIP is 192.168.1.1, destination P is 172.16.10.1, and all TCP packets with destination port number 21 match this rule

  B. The source IP is 192.168.1.1, the destination IP is 172.16.10.2, and all 1CP packets whose destination port number is 21 match this rule

  C. Rule sourceIP is 192.168.1.1, the destination IP is 72.16.10.3, and all TCP packets with the destination port number of 21 match this rule

  D. The type of ACL is basic ACL

  Correct Answer: A

• Question 565:

  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

  A. Forward-delay is 20s

  B. Configure the MaxAge of the BPDU to 20s

  C. The period for sending configuration BPDUs on this port is 2s

  D. The switch is not a root bridge

  Correct Answer: A

• Question 566:

  Which of the following statements about Prefix Segment is wrong? ()

  A. Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective

  B. Prefix Segment needs to be configured manually

  C. Prefix Segment is used to identify a destination address prefix in the network (Prefix)

  D. Prefix Segment can be automatically allocated by IGP

  Correct Answer: D

• Question 567:

  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)

  

  A. True

  B. False

  Correct Answer: B

• Question 568:

  What is the function of the command port trunk allow pass vlan all? ()

  A. If the port default vlan3 command is configured for the connected remote device, VLAN3 cannot communicate between the two devices

  B. All VLAN data frames are allowed to pass through this port

  C. The connected peer device can dynamically determine which VLAN IDs are allowed.

  D. The opposite port connected to the port must be configured with port trunk permit vlan all at the same time

  Correct Answer: B

• Question 569:

  What is wrong about the description of the information as shown in the figure? () (Single- choice question) (RI) display interface g0/0/0 GlgabltEtherneto/0/0 current state :Adainistratively DOWN Line protocol current state :DOWN

  A. The GigbitEthernet0/0/0 interface is not configured with an IP address

  B. The GigbitEthernet0/0/0 interface was manually closed by the administrator

  C. GigbitEthernet (0/0/0 interface does not enable dynamic routing protocol

  Correct Answer: C

• Question 570:

  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. ()

  A. True

  B. False

  Correct Answer: A