Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 71:

  The port number for control packets of the CAPWAP tunneling protocol is:

  A. 1645
  B. 1646
  C. 5246
  D. 5247
  D. 5247

• Question 72:

  In WLAN, the AP always operates in a half-duplex mode.

  A. True
  B. False
  A. True

• Question 73:

  Which of the following protocols can support both the 2.4 GHz band and the 5 GHz band?

  A. 802.11a
  B. 802.11b
  C. 802.11g
  D. 802.11n
  D. 802.11n

• Question 74:

  Although 802.11a and 802.11g support the same maximum data rate, the 802.11a protocol is not backward compatible with the 802.11g protocol.

  A. True
  B. False
  B. False

• Question 75:

  In a WDS deployment, which types of bridge networking modes are included? (Choose two)

  A. Point-to-point mode
  B. Point-to-multipoint mode
  C. Relay bridge mode
  D. Multi-point-to-multi-point mode
  A. Point-to-point mode
  B. Point-to-multipoint mode
  C. Relay bridge mode

• Question 76:

  An infrastructure-mode network consisting of multiple APs and the distribution system connecting them is also known as:

  A. Basic service set
  B. Basic service area
  C. Extended service set
  D. Extended service area
  C. Extended service set

• Question 77:

  What is the command for the Huawei AC6605 to switch between the wired side and the wireless side?

  A. Ctrl+B
  B. Ctrl+X
  C. Ctrl+Y
  D. Ctrl+Z
  B. Ctrl+X

• Question 78:

  The BSSID is the MAC address of the AP's radio interface and is used to identify a specific BSS. The statement "used to identify the BSS managed by the AP" is inaccurate because one AP may manage multiple BSSs, each with its own BSSID.

  A. True
  B. False
  B. False

• Question 79:

  Which of the following statements about WLAN roaming are false?

  A. The APs with which a STA is associated before and after roaming can operate on different channels.
  B. During roaming, the STA sends an Association Request frame containing home AP information to the foreign AP.
  C. The APs with which a STA is associated before and after roaming must operate on the same channel.
  D. During roaming, the STA sends a Reassociation Request frame containing home AP information to the foreign AP.
  B. During roaming, the STA sends an Association Request frame containing home AP information to the foreign AP.
  C. The APs with which a STA is associated before and after roaming must operate on the same channel.

• Question 80:

  After a wireless user connects to a wireless AP, they cannot obtain an IP address. What are the possible reasons? (Choose two)

  A. The DHCP server is not configured in the VLAN where the user is located; the dhcp-enable command is not configured on the wlan-ess virtual interface.
  B. The user's VLAN does not have DHCP service enabled.
  C. The user-specified authentication password is incorrect.
  D. The MAC address of the user device has been added to the blacklist.
  A. The DHCP server is not configured in the VLAN where the user is located; the dhcp-enable command is not configured on the wlan-ess virtual interface.
  B. The user's VLAN does not have DHCP service enabled.