Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 331:

  WDS technology increases the flexibility and convenience of the network structure, but it does not support only peer-to-peer mode.

  A. True
  B. False
  B. False

• Question 332:

  Which of the following descriptions of splitters and couplers is correct?

  A. Power splitter and coupler are equal power allocation
  B. Power splitter is equal power distribution, coupler is unequal power distribution
  C. Power splitter is unequal power distribution, coupler is equal power distribution
  D. Power splitter and coupler are unequal power distribution
  B. Power splitter is equal power distribution, coupler is unequal power distribution

• Question 333:

  Which of the following 802.11 interframe spaces is the longest?

  A. SIFS
  B. PIFS
  C. DIFS
  D. IFS
  C. DIFS

• Question 334:

  What are the prerequisites for users to implement Layer 3 roaming? (Choose three)

  A. The two APs for user roaming must have the same SSID
  B. The two APs for user roaming must have the same VLAN
  C. User roaming requires overlapping coverage between the two APs
  D. The SSID released by the two APs must have the same authentication method
  A. The two APs for user roaming must have the same SSID
  C. User roaming requires overlapping coverage between the two APs
  D. The SSID released by the two APs must have the same authentication method

• Question 335:

  Regarding the polarization of electromagnetic waves, which statements are correct? (Choose three)

  A. The antenna radiates electromagnetic waves into space, and the direction of the electric field changes according to a certain law.
  B. The polarization of an antenna refers to the direction of the magnetic field formed by the antenna radiation.
  C. If the electric field of the wave is perpendicular to the ground, it is called a vertically polarized wave.
  D. If the transmitting antenna is circularly polarized, the receiving antenna must also be circularly polarized, and both polarization directions must match.
  A. The antenna radiates electromagnetic waves into space, and the direction of the electric field changes according to a certain law.
  B. The polarization of an antenna refers to the direction of the magnetic field formed by the antenna radiation.
  D. If the transmitting antenna is circularly polarized, the receiving antenna must also be circularly polarized, and both polarization directions must match.

• Question 336:

  For a wireless network with WPA2 PSK authentication and SSID broadcast, the user can double-click the SSID and enter the correct username and password to access the network.

  A. True
  B. False
  B. False

• Question 337:

  20 dBm is equivalent to how many mW?

  A. 100
  B. 200
  C. 500
  D. 1000
  A. 100

• Question 338:

  What is the Chinese name of SSID?

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

• Question 339:

  To avoid reconfiguration of data when an AP on the network fails, you can quickly replace the AP by configuring AP replacement.

  A. True
  B. False
  A. True

• Question 340:

  Which of the following statements about establishing CAPWAP control and data tunnels are false?

  A. When both the AP and AC receive an Echo Response message, this indicates that a control tunnel has been established.
  B. When both the AP and AC receive a Keepalive message, this indicates that a control tunnel has been established.
  C. When the AP receives an Echo Response message, this indicates that a data tunnel has been established.
  D. When the AP receives a Keepalive message, this indicates that a data tunnel has been established.
  A. When both the AP and AC receive an Echo Response message, this indicates that a control tunnel has been established.
  C. When the AP receives an Echo Response message, this indicates that a data tunnel has been established.