Huawei H12-811 Online Practice Questions and Exam Preparation

Huawei H12-811 Online Questions & Answers

• Question 251:

  The host uses the IP address 192.168.1.2 to access the Internet-it must go through NAT. ()

  A. True
  B. False
  B. False

• Question 252:

  Which of the following statements are true about the OSPF neighbor status? (Choose all that apply.)

  A. The master/slave relationship of OSPF is formed in the ExStart state.
  B. After LSDB synchronization is completed, the router state changes to Full.
  C. The sequence number of DD packets is determined in the Exchange state.
  D. In the Exchange state, routers send DD packets that brie y describe link state information to each other to describe the content of the local link state database (LSDB).
  A. The master/slave relationship of OSPF is formed in the ExStart state.
  B. After LSDB synchronization is completed, the router state changes to Full.
  D. In the Exchange state, routers send DD packets that brie y describe link state information to each other to describe the content of the local link state database (LSDB).

• Question 253:

  The correct statement about the transport layer protocol is ()

  A. UDP is suitable for the transmission of delay-sensitive traffic, and can be reorganized according to the sequence number field in the message header
  B. Well-known port number range is 0-1023
  C. UDP uses the STNOACK flag to request and confirm the establishment of a connection
  D. The establishment of a TCP connection is a three-way handshake, and the termination of a TCP connection requires a four-way handshake.
  B. Well-known port number range is 0-1023

• Question 254:

  Which of the following packets are exchanged between STAs and an AP to obtain the AP's SSID before association with the AP? (Choose all that apply.)

  A. Probe Request
  B. Discovery
  C. Beacon
  D. Probe Response
  A. Probe Request
  D. Probe Response

• Question 255:

  When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

  A. Binary mode
  B. Byte mode
  C. Text mode
  D. Stream byte mode
  A. Binary mode

• Question 256:

  When the Access type port sends a message, it will ().

  A. Add the VLAN information of the message, and then send it out
  B. Send tagged messages
  C. Strip the VLAN information of the message, and then send it out
  D. Type the PVIinformation of this port, and then send it out
  C. Strip the VLAN information of the message, and then send it out

• Question 257:

  The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)

  

  A. The MTU value of the Ethernet0/0/0 interface is 1480
  B. The broadcast address corresponding to the Ethernet0/0/0 interface is 10.0.12.255
  C. The physical link of the Ethernet0/0/0 interface is normal
  D. Ethernet (The IP address of the /0/0 interface is 10.0.12.1/24
  A. The MTU value of the Ethernet0/0/0 interface is 1480

• Question 258:

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

  A. True
  B. False
  A. True

• Question 259:

  Which of the following statements is correct for the ACL configured in the Telnet application? ()

  A. The device with P address 172.16.105.4 can use Telnet service
  B. The device with IP address 172.16.105.3 can use Telnet service
  C. The device with IP address 172.16.105.5 can use Telnet service
  D. The device with P address 172.16.105.6 can use Telnet service
  D. The device with P address 172.16.105.6 can use Telnet service

• Question 260:

  The tracert diagnostic tool of Huawei routers is used to trace data forwarding paths.

  A. True
  B. False
  A. True