Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 121:

  On a WDS network, a root AP can connect to multiple leaf APs, but a leaf AP can connect to only one root AP.

  A. True
  B. False
  A. True

• Question 122:

  There are four wireless STAs. Which workstation occupies the channel preferentially according to the following backoff time parameters?

  A. 5
  B. 7
  C. 4
  D. 6
  C. 4

• Question 123:

  AP transmit power: 20 dBm, antenna gain: 4 dBi, cable and device loss: 1 dB, terminal receive antenna gain: 2 dBi, spatial propagation loss: 80 dB. The terminal receive level RSSI = ?

  A. -57
  B. -56
  C. -55
  D. -54
  B. -56

• Question 124:

  Which of the following statements are true about a typical AP group?

  A. To optimize roaming, an AP can be added to two AP groups at the same time.
  B. With factory defaults, all APs belong to the AP group named default.
  C. APs in the same AP group can be uniformly managed using the same security policy.
  D. SSIDs can be configured in a unified manner for APs within the same AP group.
  B. With factory defaults, all APs belong to the AP group named default.
  C. APs in the same AP group can be uniformly managed using the same security policy.
  D. SSIDs can be configured in a unified manner for APs within the same AP group.

• Question 125:

  When only one interface of the AC is connected to the aggregation layer switch, the user traffic is transmitted directly through the aggregation switch to the public network.

  A. Side-by-side mode + tunnel forwarding
  B. Side-by-side mode + direct forwarding
  C. Direct connection mode + tunnel forwarding
  D. Direct connection mode + direct forwarding
  B. Side-by-side mode + direct forwarding

• Question 126:

  Which command can be used to view the AC's current configuration?

  A. display interface
  B. display current-configuration
  C. display ap all
  D. display version
  B. display current-configuration

• Question 127:

  For indoor installation, the transmit power of an AP is generally ___________ mW.

  A. 100
  B. 500
  C. 800
  D. 50
  A. 100

• Question 128:

  Which statements about the service VLAN are correct? (Choose three)

  A. Mainly responsible for transmitting data when WLAN users access the Internet.
  B. PVID VLAN under the WLAN ESS interface
  C. Service VLAN under the service set template
  D. If data tunneling is used, user data will not be transmitted through the service VLAN.
  A. Mainly responsible for transmitting data when WLAN users access the Internet.
  B. PVID VLAN under the WLAN ESS interface
  C. Service VLAN under the service set template

• Question 129:

  What is the network formed by a wireless AP and the associated wireless clients?

  A. IBSS
  B. BSS
  C. ESS
  D. NSS
  B. BSS

• Question 130:

  Which of the following types of frames does a STA receive to obtain information about surrounding wireless networks during passive scanning?

  A. Authentication frame
  B. Association Request frame
  C. Beacon frame
  D. Probe Request frame
  C. Beacon frame