Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 271:

  802.11 defines three types of frames. Which are they? (Choose two)

  A. Data frame
  B. Control frame
  C. Service frame
  D. Management frame
  A. Data frame
  B. Control frame
  D. Management frame

• Question 272:

  An antenna obtains gain by:

  A. Using a power amplifier in the antenna system
  B. Concentrating the antenna radiation
  C. Using a high-efficiency antenna feeder
  D. Using equipment with a low standing wave ratio
  B. Concentrating the antenna radiation

• Question 273:

  BSS stands for Basic Service Set, and a BSS can be classified into Independent BSS and Infrastructure BSS.

  A. True
  B. False
  A. True

• Question 274:

  An engineer takes an AP to a shopping mall for onsite WLAN surveying, with only a simple building map and no known obstacles. During the onsite signal attenuation test, the AP works in __________ mode.

  A. Fat AP
  B. Survey mode
  C. Fit AP
  D. Monitor mode
  B. Survey mode

• Question 275:

  What is the spacing between the center frequencies of channels in the 2.4 GHz band?

  A. 20 MHz
  B. 22 MHz
  C. 5 MHz
  D. 10 MHz
  C. 5 MHz

• Question 276:

  To configure the security profile of the wireless network as WEP on the AC6605, which configuration is correct?

  A. security-policy wep wep authentication-method open wep key wep-40 hex 0 1234567890 wep default-key 0
  B. security-policy wep policy wep share-key wep key wep-40 hex 0 1234567890 wep default-key 0
  C. authentication policy wpa wpa authentication-method share-key wpa key wpa-40 hex 0 1234567890 wpa default-key 0
  D. authentication policy wpa2 wpa2 authentication-method share-key wpa2 key wpa2-40 hex 0 1234567890 wpa2 default-key 0
  B. security-policy wep policy wep share-key wep key wep-40 hex 0 1234567890 wep default-key 0

• Question 277:

  Which of the following statements about SSID is incorrect?

  A. Multiple different SSIDs can be broadcast on a single AP.
  B. The same SSID can be broadcast on multiple APs.
  C. There is no limit to the number of SSIDs that can be configured on an AP.
  D. The same SSID signal can be broadcast on two sets of antennas of a single AP.
  C. There is no limit to the number of SSIDs that can be configured on an AP.

• Question 278:

  WLAN APs can be powered by: (Choose three)

  A. PoE switch
  B. PoE adapter
  C. Independent power adapter
  D. RF cable
  A. PoE switch
  B. PoE adapter
  C. Independent power adapter

• Question 279:

  In TKIP encryption mode, what is the length of the IV vector in bits?

  A. 12
  B. 24
  C. 48
  D. 64
  C. 48

• Question 280:

  To create a user on a Huawei AC, you must first enter the AAA view using the aaa command.

  A. True
  B. False
  A. True