H12-311 Online Practice Questions and Answers

What is the network consisting of a wireless AP and associated wireless clients?

A. IBSS

B. BSS

C. ESS

D. NSS

In WLAN, the AP has been working in a half-duplex state.

A. True

B. False

Spread-spectrum technology is the basis for transmitting wireless data using the ISM band.

A. True

B. False

The networking mode can be divided into a Layer 2 networking mode and a Layer 3 networking mode based on the network architecture between the AP and the AC.

A. True

B. False

Which of the following are related parameters of the Traffic template (Select 2 Answers).

A. 802.3 Priority Mapping Policy

B. CAC Policy

C. Tunnel priority mapping strategy

D. ACK strategy

The AC performs a load balancing process based on the information.

A. The AP periodically sends information about the STA associated with it to the AC.

B. STA periodically reports the currently associated AP ID.

C. AC periodically queries the number of STAs associated with an AP.

D. STA periodically searches for the AP information and reports the AP ID through the associated AP.

Which of the following WLAN signals pass through (Select 2 Answers).

A. Gypsum board

B. Glass window (colorless)

C. Concrete wall

D. Brick wall

When the two-channel center frequency distance is less than or equal to 25 MHz, there is an overlapping area between the channels, and there may be some interference. Therefore, in order to avoid adjacent channel interference in adjacent area channel planning, the same channel is not allowed.

A. True

B. False

The following statement about antenna classification is correct (Select 2 Answers)?

A. Classification by direction: omnidirectional antenna, directional antenna, etc.

B. Classification by shape: wire antenna, planar antenna, etc.

C. Classification by use: short wave antenna, ultrashort wave antenna, microwave antenna, etc.

D. Classification by working frequency band: communication antenna, TV antenna, radar antenna, etc.

The AP or AC performing the connectivity test must be online.

A. True

B. False