Huawei H12-311 HCIA-WLAN Exam Practice Test Instant Access

Question 1

For outdoor long-distance point-to-point backhaul, the antenna of should be selected.

AHigh gain, small lobe width

BHigh gain, large lobe width

COmnidirectional

DLow gain, large lobe width

Answer : A

Question 2

The number of users is 300, and the concurrency rate is 70%. The terminal supports the 2.4 GHz and 5 GHz frequency bands. According to the maximum number of users per dual-band dual-frequency AP, at least APs can meet the capacity requirements.

Answer : B

Question 3

For indoor distributed APs, the following description is correct (B).

AAP power can be up to 800mW.

BIt can be deployed in conjunction with the carrier's 3G network.

CWaterproof and dustproof

DAP6310SN supports dual frequency mode

Answer : B

Question 4

There are three types of Huawei load balancing judgment: traffic mode, session mode, and virtual switch mode.

ATrue

BFalse

Answer : B

Question 5

For lobe width, the following description is correct (Select 3 Answers).

AIn the main lobe range, the power density decreases by half (3dB) relative to the maximum radiation direction.

BThe narrower the lobes, the better the directionality, the farther the radiation distance, the stronger the anti-interference ability

CThe pattern usually has two or more petals

DThe terminal can receive the signal only within the half power angle coverage.

Answer : A, B, C

Question 6

The gain of antenna A is 11dBi, and the gain of antenna B is 8dBi. It can be said that antenna A has a larger gain than antenna B.

A3dB

B3dBi

C3dBd

DUncertain

Answer : A, B, D

Question 7

The gain of antenna A is 11dBi, and the gain of antenna B is 8dBi. It can be said that antenna A has a larger gain than antenna B.

A3dB

B3dBi

C3dBd

DUncertain

Answer : A

Huawei H12-311 HCIA-WLAN V2.0 HCIA-WLAN Exam Practice Test