[Q135-Q154] Get Special Discount Offer on H12-311_V3.0 Dumps PDF [UPDATED Aug-2022] : Free valid test braindumps : http://free.validbraindumps.com

NO.135 In order to facilitate management and maintenance, AP The power supply mode is generally preferred to select () for power supply.

Independent power adapter

POE switch

POE adapter

AC power supply

NO.136 To the following WLAN In the description of the network diagram, the error is ().

The picture shows the bypass networking

Can be configured and managed on the access switch VLAN of PVIDA.

can use AC As DHCP Server ,give AP distribute IP address

You cannot use the aggregation switch to STA distribute IP address

NO.137 The gain of the antenna can be explained ().

Antenna’s ability to amplify high-frequency electrical signals

The antenna’s ability to collect or emit electromagnetic waves in a certain direction is strong or weak

Ability to amplify electromagnetic waves

The antenna’s ability to collect or emit electromagnetic waves in all directions is strong or weak

NO.138 when AC Only one interface is connected to the aggregation layer switch, and the user traffic is directly out of the public network through the aggregation layer switch, and the networking mode that does not flow through should be (). AC At this time

Bypass mode + tunnel forwarding

Bypass mode + direct forwarding

Direct connection mode + tunnel forwarding

Direct connection mode + direct forwarding

NO.139 Which of the following options are the basic functions of configuring Huawei wireless controllers ()? (Select 3 Answers)

Configuration AC-ID

Configuration Radio template

Configuration AC Country code

Configuration AC of WLAN Source interface

NO.140 exist WLAN middle ACK What type of frame() does the frame belong to?

Management frame

Control frame

Data Frame

Empty data frame

NO.141 thin AP In the networking, which of the following authentication methods is not required in the authentication process AC participate().

Shared key authentication

802.1X Certification

PSK Certification

Portal Certification

NO.142 The two commonly used units to describe antenna gain are dBi and dBd , The conversion relationship between them is: dBi=dBd+2.14 .

True

False

NO.143 2.4 GHz What is the range of operating frequency specified by China ()?

2.4 GHz-2.4835 GHz

2.471 GHz-2.497 GHz

2.4465 GHz-2.4835 GHz

2.445 GHz-2.475 GHz

NO.144 There are three ways to judge Huawei’s load balancing: traffic mode, session mode, and virtual switching mode.

True

False

NO.145 Which is the longest interval between 802.11 frames ()?

SIFS

IFS

DIFS

PIFS

NO.146 In the following description of WEP encryption, the error is ().

WEP encryption uses a stream encryption algorithm

WEP encryption adds IV to destroy the regularity of the key

The length of IV in WEP encryption is 48 bits

WEP encryption allows the device to store four keys at the same time

NO.147 What are the prerequisites for users to achieve three-tier roaming ()?
(Select 3 Answers)

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

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

User roaming requires two AP signals to cover overlapping areas

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

NO.148 single AP What is the area covered ()?

BSA

ESA

SSA

TSA

NO.149 Is the following statement about the introduction of frequency planning correct ()?
(Select 2 Answers)

2.4GHz generally uses 1, 6, 11 three non-overlapping channels for coverage

In China, 5GHz generally has 23 non-overlapping channels available

Microwave interference will occur in the entire 2.4GHz frequency band

If the AP is dual-band, it is recommended to use the 5G priority function

NO.150 2.4 GHz What is the frequency band US non-overlapping channel ()?

2,7,12

3,8,13

1,6,11

3,7,13

NO.151 Regarding the telnet management of AC6605, the following statement is wrong ().

telnet is a way to remotely manage AC

The telnet service is turned off by default on the AC

telnet service can be configured separately on the wired side and wireless side of AC

telnet can be authenticated based on user name and password, and the transmission is encrypted, so it is quite safe

NO.152 In China, legally supported WLAN The frequency band has ().
(Select 2 Answers)

2.4-2.4835GHz

5.15-5.25GHz

5.25-5.35GHz

5.725-5.850GHz

NO.153 MIMO(Multiple input and multiple output) The client can use at most 3 Two spatial streams transmit data at the same time, and the maximum theoretical rate can reach , That is, multiple input and multiple output, using 600Mbps . 802.11n Technology wireless access point and guest

True

False

NO.154 What series of Huawei switches () is the Huawei plug-in controller ACU board suitable for?
(Select 3 Answers)

S9300 series switches

S7700 series switches

S9700 series switches

S5700 series switches