Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 191:

  The upgrade operation of the Huawei AC6605 wireless controller can only be performed via the wired side of the controller.

  A. True
  B. False
  A. True

• Question 192:

  Huawei AP products can support more than one configured SSID.

  A. True
  B. False
  B. False

• Question 193:

  The IntServ model provides end-to-end absolute QoS guarantees for users, but it has not been successfully deployed on a large scale because:

  A. Limited bandwidth reservation
  B. Low forwarding efficiency
  C. Poor scalability
  D. Not conducive to traffic regulation
  C. Poor scalability

• Question 194:

  When planning WLAN in a single area, which factors affect the number of APs deployed? (Choose three)

  A. Number of users in the area
  B. Size of the area
  C. Field strength and bandwidth requirements
  D. Number of network ports
  A. Number of users in the area
  B. Size of the area
  C. Field strength and bandwidth requirements

• Question 195:

  In an 802.11 frame, when the network uses the WDS model for signal transmission, what are the values of the To DS and From DS fields, respectively?

  A. 0,0
  B. 0,1
  C. 1,0
  D. 1,1
  A. 0,0

• Question 196:

  Which channels in the 802.11b protocol do not overlap with each other? (Choose three)

  A. 1
  B. 3
  C. 6
  D. 11
  A. 1
  C. 6
  D. 11

• Question 197:

  Which of the following statements about dual-link backup networking is incorrect?

  A. Dual-link backup technology improves network reliability and ensures business stability at important network nodes.
  B. The standby AC should always be powered on.
  C. During the establishment of an active/standby link between the AP and the ACs, the link established first must be the primary link.
  D. Network service configuration on the active and standby ACs must be consistent.
  C. During the establishment of an active/standby link between the AP and the ACs, the link established first must be the primary link.

• Question 198:

  What is the working frequency band used in the original 802.11 protocol?

  A. 2.4 GHz
  B. 900 MHz
  C. 2.0 GHz
  D. 5 GHz
  A. 2.4 GHz

• Question 199:

  In PoE terminology, the PSU is called the Power Supply Unit, which refers to the power supply device, such as the Ethernet interface of a PoE switch.

  A. True
  B. False
  B. False

• Question 200:

  In an 802.11 frame, when a terminal needs to obtain access to the wireless medium, which type of control message should be sent?

  A. RTS
  B. CTS
  C. ACK
  D. PS-Poll
  A. RTS