최신 H12-311-ENU 무료덤프 - Huawei Certified ICT Associate-Wireless Local Area Network

문제1

The AP and the antenna can be connected.

A. CATV coaxial cable

B. Power cable

C. Network cable

D. 50 ohm RF coaxial cable

정답: D

문제2

Which of the following options are the basic functions for configuring Huawei wireless controllers? (Select 3 Answers)

A. Configure AC country code

B. Configure Radio template

C. Configure AC-ID

D. Configure AC WLAN source interface

정답: A,C,D

문제3

The 802.11 protocol that defines the quality of service in WLAN is .

A. 802.11i

B. 802.11f

C. 802.11e

D. 802.11n

정답: C

문제4

Regarding the working principle of 5G priority, the following statement is correct.

A. 5G priority requires all clients to support both 2.4GHz and 5GHz bands

B. 5G priority is turned on, the network transfer speed of the client supporting only 2.4G will be slower.

C. 5G priority requires the AP to work normally when it is a dual-band AP.

D. 5G priority feature is to let the 5G client send data preferentially.

정답: C

문제5

For the CAPWAP protocol, the following description is wrong.

A. Developed by the CAPWAP Working Group The development of the

B. CAPWAP protocol draws on the useful features of other protocols.

C. Transmission protocol between AC and thin AP

D. Transmission protocol between thin AP and wireless client

정답: D

문제6

The following description of the management VLAN is correct.

A. Service VLAN under the service set template

B. PVID VLAN under WLAN ESS interface

C. Responsible for establishing the CAPWAP tunnel between the AC and the AP.

D. Mainly responsible for transmitting data when WLAN users access the Internet

정답: C

문제7

The CAPWAP protocol is a WLAN standard proposed by the IEEE standards organization in April 2009 for communication between AC and thin APs.

A. True

B. False

정답: B

문제8

Among the following options, it is not the main purpose of roaming.

A. Ensure user authorization information remains unchanged.

B. Ensure that the user's network rate is unchanged.

C. Ensure that the user's IP address is unchanged.

D. Avoid excessive authentication time during roaming, resulting in packet loss or even service interruption.

정답: B

문제9

In 1999, the IEEE 802.11a standard was developed. The standard specifies that the WLAN operating frequency band is 5.15 to 5.825 GHz, and the data transmission rate reaches 11 Mbps.

A. True

B. False

정답: B

문제10

The eSight network management system is Huawei's dedicated network management platform, but it can only manage Huawei's own devices.

A. True

B. False

정답: B

문제11

BSS is called Basic Service Set, and BSS can be divided into Independent BSS and Infrastructure BSS.

A. True

B. False

정답: A

문제12

What are the rates that 802.11a can support?

A. 6,12,24,54 Mbps

B. 6,9,12,18,24,30,36,48,54 Mbps

C. 6,9,12,18,24,36,48,54 Mbps

D. 6,12,18,24,36,48,54 Mbps

정답: C

문제13

In a dual-link backup network, what do the APs use to distinguish between the primary AC and the standby AC (Select 3 Answers)?

A. AC IP address

B. Priority

C. AC response AP time

D. AC load situation

정답: A,B,D

문제14

How many subcarriers can 802.11n use to transmit data in 20M mode?

A. 52

B. 54

C. 48

D. 56

정답: A

문제15

If a wireless client connecting the same SSID wants to roam from one AP to another, what is the area of the signal overlap between the two APs?

A. 50%

B. 10%-15%

C. No need to overlap

D. 100%

정답: D

문제16

The following statement about the region is correct (Select 3 Answers)?

A. APs belonging to the same region will uniformly adjust the RF channel and power.

B. An AP can belong to two regions at the same time, so that roaming is more optimized.

C. AP region is laid in three types: dense placement, discrete deployment, and normal deployment.

D. If you do not configure, all APs belong to region 0 by default.

정답: A,C,D

문제17

A 10-story building needs to cover the WLAN signal, because considering the floor blocking, the signal frequency of the 5th and 6th WLANs can be set to 6 channels at the same time.

A. True

B. False

정답: B

문제18

MIMO (Multiple input and multiple output), that is, multiple input and multiple output, wireless access points and clients using 802.11n technology can simultaneously transmit data using up to three spatial streams, and the theoretical rate can reach 600 Mbps.

A. True

B. False

정답: B

최신 H12-311-ENU 무료덤프 - Huawei Certified ICT Associate-Wireless Local Area Network

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