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Huawei H12-311_V3.0 Dumps

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Total 297 questions
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HCIA-WLAN V3.0 Questions and Answers

Question 1

Huawei AP6310AP Outdoor type AP,can support WDS Function to realize the point-to-multipoint wireless bridging function.

Options:

A.

True

B.

False

Question 2

PPPoE Certified in WLAN When used, and WLAN The authentication encryption used by itself does not matter.

Options:

A.

True

B.

False

Question 3

The equipment manufacturer can usually be judged according to the following ().

Options:

A.

SSID

B.

MAC address

C.

Encryption type

D.

channel

Question 4

802.11 In the frame, Frame Control In position Type What is the correct correspondence with the frame format ()?

Options:

A.

Type for 01 Time represents data frame

B.

Type for 10 Time represents control frame

C.

Type for 00 Indicates reserved use

D.

Type for 00 Time represents management

Question 5

Huawei AP The product can only support one configuration SSID .

Options:

A.

True

B.

False

Question 6

If one 802.11n of AP support 2*2 of MIMO Technology, then this AP What is the theoretical rate of ()?

Options:

A.

150 Mbps

B.

300 Mbps

C.

450 Mbps

D.

600 Mbps

Question 7

802.11a What kind of technology is used to implement the agreement?

Options:

A.

FHSS

B.

DSSS

C.

OFDM

D.

MIMO

Question 8

Antennas are classified according to directivity and can be divided into () antennas and () antennas.

(Select 2 Answers)

Options:

A.

Plate

B.

paraboloid

C.

Omnidirectional

D.

Orientation

Question 9

When a hardware failure occurs in an AP in the network, in order to avoid data reconfiguration, the user can quickly complete the AP replacement by configuring the AP.

replace.

Options:

A.

True

B.

False

Question 10

Which technology belongs to the wireless metropolitan area network () below?

Options:

A.

2G/3G

B.

WLAN

C.

Bluetooth

D.

WiMAX

Question 11

MIMO The antenna configuration is usually expressed as " M*N ",in M and N What does each mean ()?

(Select 2 Answers)

Options:

A.

M Indicates the number of transmission antennas

B.

N Indicates the number of transmission antennas

C.

N Indicates the number of receiving antennas

D.

M Indicates the number of receiving antennas

Question 12

Which of the following are the relevant parameters of the Traffic template ().

(Select 2 Answers)

Options:

A.

802.3 priority mapping strategy

B.

CAC strategy

C.

Tunnel priority mapping strategy

D.

ACK strategy

Question 13

Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.

Options:

A.

True

B.

False

Question 14

802.11 What parameters are used in the frame to reorganize the frame segment ()?

Options:

A.

Frame Control

B.

Duration

C.

Address Bit

D.

Fragment number

Question 15

exist WLAN In the networking configuration, finally AC6605 What command must be executed to send the configuration to AP1 middle()?

Options:

A.

save ap id 1

B.

commit ap 1

C.

save ap 1 config

D.

save config ap 1

Question 16

How many management nodes () does eSight Standard Edition support at most?

Options:

A.

60

B.

2000

C.

5000

D.

20000

Question 17

For indoor distributed APs, which of the following descriptions is correct is ().

Options:

A.

AP power up to 800mW

B.

Can be deployed in conjunction with the operator's 3G network

C.

Waterproof and dustproof

D.

AP6310SN supports dual frequency mode

Question 18

To obtain better coverage, try to use AP Signal can ( ) Through the wall.

Options:

A.

vertical

B.

parallel

C.

45°

D.

60°

Question 19

The following command can configure the port of the Huawei switch as hybrid model()?

Options:

A.

swichport hybrid

B.

hybrid enable

C.

port link-type hybrid

D.

port mode hybrid

Question 20

802.11 Wireless LAN CSMA/CA Which of the following are included in the mechanism ()? (Select 3 Answers)

Options:

A.

Carrier sense

B.

Multiple access

C.

Conflict detection

D.

Conflict avoidance

Question 21

exist WDS One in the network Root AP Can connect multiple Leaf AP , But a Leaf AP Only one can be connected Root AP .

Options:

A.

True

B.

False

Question 22

exist WLAN middle ACK What type of frame() does the frame belong to?

Options:

A.

Management frame

B.

Control frame

C.

Data Frame

D.

Empty data frame

Question 23

What series of Huawei switches () is the Huawei plug-in controller ACU board suitable for?

(Select 3 Answers)

Options:

A.

S9300 series switches

B.

S9700 series switches

C.

S7700 series switches

D.

S5700 series switches

Question 24

If one BSS Totally by STA Composition, then BSS What is also called ()?

Options:

A.

IBSS

B.

ESS

C.

SSID

D.

BSA

Question 25

service-set What are the options that can be configured under ()? (Select 3 Answers)

Options:

A.

able to pass ssid xxxx Configuration SSID String

B.

Can be bound wmm-profile

C.

Can call wlan-ess Interface and configuration service-vlan

D.

The forwarding mode can be configured as direct-forward or tunnel-forward

Question 26

2.4 GHz What is the frequency band US non-overlapping channel ()?

Options:

A.

2,7,12

B.

3,8,13

C.

1,6,11

D.

3,7,13

Question 27

STA issued 802.11 Message to pass AP When entering the Ethernet, it is converted to 802.3 Packets that are not in the priority mapping method are

().

Options:

A.

No priority mapping

B.

According to different VAP Set different priorities

C.

Arrive according to the message AP Precedence

D.

according to UP Map to priority

Question 28

What are the prerequisites for users to achieve three-tier roaming ()?

(Select 3 Answers)

Options:

A.

The two APs that the user roams over must have the same SSID

B.

The two APs for user roaming switching must have the same VLAN

C.

User roaming requires two AP signals to cover overlapping areas

D.

The SSID released by the two APs of the user roaming handover must have the same authentication method

Question 29

about" AP6010DN

Options:

A.

AP6010DN

B.

AP6010DN

"The following statement is incorrect for the naming ()

middle" AP"Enterprise network AP In the specific prefix " 601"

On behalf of the standard indoor installation type

.

1 generation

C.

AP6010DN middle"D"represent AP Is dual frequency AP, While supporting 2.4GHz ,5GHz Frequency band

D.

AP6010DN middle"N"represent AP Yes 802.11n of AP

Question 30

For the following WLAN networking configuration, which statement is correct ().

(Select 3 Answers)

Options:

A.

The user tries his best to ensure that the planning data is detailed when planning the data, which will greatly facilitate the later configuration

B.

Before sending the configuration to the AP, the AP must be online

C.

Configure the WMM template can be directly bound to the antenna

D.

The WMM template is bound to the RF template

Question 31

CAPWAP The agreement is made by IEEE Standards organization in 2009 year 4 One of the month WLAN Standard for AC And thin AP Communication between.

Options:

A.

True

B.

False

Question 32

AAA It is a management framework, which is commonly used to implement () protocol.

Options:

A.

RADIUS

B.

CAPWAP

C.

802.11a/b/g/n

D.

802.1X

Question 33

BSS Which two basic service sets are included ()? (Select 2 Answers)

Options:

A.

Independent basic service set

B.

Basic Service Set of Infrastructure Mode

C.

Extend the basic service set

D.

Extend the basic service set of structural mode

Question 34

There are three ways to judge Huawei's load balancing: traffic mode, session mode, and virtual switching mode.

Options:

A.

True

B.

False

Question 35

If you want to create an open authentication security template, the following correct configuration is ().

Options:

A.

AC-WLAN-view] security-profile name security-1 id 1

[AC-WLAN-sec-prof-security-1] open authentication-method open-system

[AC-WLAN-sec-prof-security-1] security-policy open

[AC-WLAN-sec-prof-security-1] quit

B.

AC-WLAN-view] security-profile name security-1 id 1

[AC-WLAN-sec-prof-security-1] wep authentication-method open-system

[AC-WLAN-sec-prof-security-1] security-policy wep

[AC-WLAN-sec-prof-security-1] quit

C.

AC-WLAN-view] security-profile name security-1 id 1

[AC-WLAN-sec-prof-security-1] wpa authentication-method open-system

[AC-WLAN-sec-prof-security-1] security-policy wpa

[AC-WLAN-sec-prof-security-1] quit

D.

AC-WLAN-view] security-profile name security-1 id 1

[AC-WLAN-sec-prof-security-1] wpa2 authentication-method open-system

[AC-WLAN-sec-prof-security-1] security-policy wpa2

[AC-WLAN-sec-prof-security-1] quit

Question 36

DSSS The modulation methods used are BPSK and QPSK .

Options:

A.

True

B.

False

Question 37

AP Domain AP The deployment type does not include ().

Options:

A.

Ordinary deployment

B.

Orderly deployment

C.

Discrete deployment

D.

Densely deployed

Question 38

Terminal is different VLAN The roaming within belongs to ().

Options:

A.

Seamless AP roaming

B.

Two-tier roaming

C.

Three-tier roaming

D.

Four-tier roaming

Question 39

for AC+ thin AP The network architecture, the following description is wrong ().

Options:

A.

AP Can't work alone, need to be AC Centralized agent maintenance management

B.

able to pass AC Enhance business QoS, Security and other functions

C.

AP Zero configuration itself, suitable for large-scale networking

D.

Must be achieved through the network management system AP And user management

Question 40

If it is turned on on the switch PoE The function of this, you can no longer access traditional equipment on these interfaces.

Options:

A.

True

B.

False

Question 41

How to set the condition of switching trigger (). (Select 2 Answers)

Options:

A.

when STA Yohara AP Start switching after reaching a certain distance

B.

Set current AP With neighbors AP Signal strength ratio, switch when reaching the threshold

C.

Check the packet loss rate and start the handover when the packet loss rate reaches a certain value

D.

Yohara AP Start the switch when the network speed is very slow during association

Question 42

Indoor installation AP The power is generally () mW .

Options:

A.

100

B.

500

C.

800

D.

50

Question 43

The lobe width is a very important parameter commonly used in directional antennas. It refers to the width of the antenna's radiation pattern below the peak (.)dB The angle of the premises

Options:

A.

3

B.

4

C.

5

D.

6

Question 44

ETSI Which country or region is the standards organization ()?

Options:

A.

China

B.

America

C.

Japan

D.

Europe

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Total 297 questions
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