Enhance your career with H12-311 PDF Dumps – True Huawei Exam Questions [Q84-Q108]

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Enhance your career with H12-311 PDF Dumps – True Huawei Exam Questions

New (2022) Download free H12-311 PDF for Huawei Practice Tests

NEW QUESTION 84
The power of Huawei indoor put installation is commonly () mW.

100

500

800

NEW QUESTION 85
Which of the following commands can be used to view the AC current configuration?

display interface

display current-configuration

display ap all

display version

NEW QUESTION 86
How many channels can the 2.4 GHz band be divided into?

NEW QUESTION 87
The following description of the service VLAN is correct (Select 3 Answers).

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

PVID VLAN under WLAN ESS interface

Service VLAN under the service set template

If data tunneling is used, user data will not be transmitted through the service VLAN.

NEW QUESTION 88
Basic service set is the basic component of 802.11 network, consists of a set of workstations communicate with each other.

True

False

NEW QUESTION 89
Which of the following descriptions about the service VLAN are correct? (Multiple Choice)

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

The device interface is connected to the PVID of the AP.

Service VLAN under the VAP template

Responsible for the establishment of CAPWAP tunnel between AC and AP

NEW QUESTION 90
Upgrading AP through FTP Mode need to ensure the servers of AP and FTP can communicate, and the upgraded document of AP can be in the root of FTP.

True

False

NEW QUESTION 91
Use the signal scanning tool inSSIDer to scan the hidden SSID name to the nearby WIFI.

True

False

NEW QUESTION 92
What is the radio physical layer technology used by 802.11ac?

OFDM

QAM

FHSS

DSSS

NEW QUESTION 93
What is the name of the first radio communication network based on packet technology?

INTERNET

ARPANet

ALOHAnet

NSFnet

NEW QUESTION 94
In the following options, which one the signal scan tool inderer cannot scan?

Signal strength

Power

Channel

Encryption method

NEW QUESTION 95
The following statement about antenna classification is correct (Select 2 Answers)?

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

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

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

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

NEW QUESTION 96
In the following Huawei AP, which can support 802.11ac? (Multiple Choice)

AP6010DN-AGN

AP9030DN

AP7050DE

AP9132DN

NEW QUESTION 97
For WLAN network configuration, which of the following statements is wrong?

When the users are procedding data programming, they need to ensure data programming in detail as far as possible, which can easy the late configuration greatly

Before congifure AP, AP must be online

Configure the security template to be bound to the VAP template.

VAP template must be bound to the ap-group.

NEW QUESTION 98
Because 802.11a supports the same maximum rate as 802.11g supports, the 802.11a protocol is backward compatible with the 802.11g protocol.

True

False

NEW QUESTION 99
Regarding the functional characteristics of the AP6010SN, the following statement is correct (Select 2
Answers).

AP6010SN is an indoor distributed AP that only supports working in the 2.4GHz band.

The AP6010SN has an Ethernet interface that supports 802.3af PoE power supply standards.

AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging

AP6010SN not only has built-in antenna, but also can be installed with an external antenna.

NEW QUESTION 100
In the WLAN high-density scenario, which of the following problems may occur without load balancing? (Multiple Choice)

Increase the equipment burden of the AC

Increase the equipment burden of a single AP

Increase the risk of network congestion

Reduce network tolerance

NEW QUESTION 101
For outdoor WLAN coverage, the following statement is correct (Select 3 Answers).

The higher the antenna gain, the stronger the antenna directivity and the weaker the radiation gain directly below the antenna.

The feeder interface must match the selected antenna

The length of the feeder must not exceed 2 meters.

Outdoor antennas should not blindly pursue high gain

NEW QUESTION 102
About the statements of SSID, which of the following is wrong?

One AP can release a number of different SSID

Multiple AP can release the same SSID

A number of SSID can be configured on one AP without limit

An AP can release the same SSID on two groups of antenna signal

NEW QUESTION 103
MIMO (Multiple input and Multiple output), that is, Multiple input Multiple output, using 802.11n wireless access point and the client can use the three most space flow transmit data at the same time, the theory of rate biggest can reach 600 MBPS.

True

False

NEW QUESTION 104
The following statement about frequency planning is correct (Select 2 Answers)?

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

There are generally 23 non-overlapping channels available in China at 5 GHz.

Microwave interference will occur in the full 2.4GHz band.

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

NEW QUESTION 105
TKIP encryption is more secure than WEP encryption because (Select 3 Answers).

Adopt a longer IV

Added a key distribution mechanism, no longer using a single key

Adopting a more complex encryption algorithm

Using a stronger data verification algorithm

NEW QUESTION 106
What are the technical advantages of 802.11n over 802.11a/b/g?

Maximum theoretical transmission rate is increased to 600Mbps

Downward compatible with 802.11a/b/g protocol

Support MIMO technology

The other three items are correct

NEW QUESTION 107
The port number of the control packet of the CAPWAP tunneling protocol is

1645

1646

5246

5247

NEW QUESTION 108
What is the US non-overlapping channel in the 2.4 GHz band?

2 , 7, 12

3, 8, 13

1, 6, 11

3, 7, 13

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Enhance your career with H12-311 PDF Dumps – True Huawei Exam Questions [Q84-Q108]

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