Huawei H12-311 Online Practice Questions and Exam Preparation

Huawei H12-311 Online Questions & Answers

• Question 221:

  Which of the following descriptions about the WLAN network diagram is incorrect?

  A. The diagram shows bypass networking.
  B. VLAN PVID can be configured and managed on the access switch.
  C. The AC can be used as a DHCP server to assign IP addresses to APs.
  D. The aggregation switch cannot assign IP addresses to STAs.
  D. The aggregation switch cannot assign IP addresses to STAs.

• Question 222:

  A basic service set (BSS) is the fundamental component of an 802.11 network and consists of a group of stations that communicate with each other.

  A. True
  B. False
  A. True

• Question 223:

  Which of the following statements are correct for WLAN networking configuration? (Choose three)

  A. The user should try to ensure detailed planning data when performing network planning, which greatly facilitates later configuration.
  B. Before configuring the AP, the AP must be online.
  C. Configure the WMM template to be directly bound to the antenna.
  D. WMM template is bound to the radio template.
  A. The user should try to ensure detailed planning data when performing network planning, which greatly facilitates later configuration.
  B. Before configuring the AP, the AP must be online.
  D. WMM template is bound to the radio template.

• Question 224:

  For outdoor long-distance point-to-point backhaul, the antenna should be selected as:

  A. High gain, small lobe width
  B. High gain, large lobe width
  C. Omnidirectional
  D. Low gain, large lobe width
  A. High gain, small lobe width

• Question 225:

  802.11b is a protocol based on Orthogonal Frequency Division Multiplexing (OFDM) technology.

  A. True
  B. False
  B. False

• Question 226:

  Which field in an 802.11 frame is used to record the Network Allocation Vector (NAV) value?

  A. Frame Control
  B. Duration
  C. Address field
  D. Sequence Control field
  B. Duration

• Question 227:

  In a WDS network, which AP is connected to the AC through the wired network?

  A. Leaf AP
  B. Middle AP
  C. Master AP
  D. Root AP
  D. Root AP

• Question 228:

  Which of the following devices are Huawei Wireless Dual Access APs (Access Points)? (Choose two)

  A. AP5010DN
  B. AP5010SN
  C. AP6010SN
  D. AP6010DN
  A. AP5010DN
  D. AP6010DN

• Question 229:

  Regarding lobe width, which of the following descriptions are correct? (Choose three)

  A. Within the main lobe, the power density decreases by half (3 dB) relative to the maximum radiation direction.
  B. The narrower the lobes, the better the directionality, the farther the radiation distance, and the stronger the anti-interference ability.
  C. The radiation pattern usually has two or more lobes.
  D. The terminal can receive the signal only within the half-power angle coverage.
  A. Within the main lobe, the power density decreases by half (3 dB) relative to the maximum radiation direction.
  B. The narrower the lobes, the better the directionality, the farther the radiation distance, and the stronger the anti-interference ability.
  C. The radiation pattern usually has two or more lobes.

• Question 230:

  In enterprise office scenarios, a 40 MHz channel bandwidth is typically not configured on the 2.4 GHz frequency band.

  A. True
  B. False
  B. False