Ultimate Guide to GB0-342-ENU Dumps – Enhance Your Future Career Now [Q87-Q103]

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Q87. The correct way of waterproofing the feeder interface is

First wrap it with insulating tape, then wrap it with a layer of waterproof tape, and finally add another layer of insulating tape to seal.

First wrap with waterproof tape, then wrap with a layer of insulating tape, and finally add another layer of waterproof tape to seal.

First wrap it with waterproof tape, then wrap it with a layer of insulating tape, and finally add another layer of insulating tape to seal.

First wrap it with insulating tape, then wrap it with a layer of insulating tape, and finally add a layer of waterproof tape to seal.

Q88. Which of the following statements about digital bandwidth vs analog bandwidth is true

Digital bandwidth refers to the amount of information sent in a unit of time, usually in bits per second (bps), and the actual throughput in a data communication system is usually greater than the digital bandwidth of the system.

Analog bandwidth refers to the frequency range in an analog electronic system, usually in Hertz (Hz).

In wireless communication systems, the maximum rate of digital transmission is limited by the bandwidth of the analog channel.

In the case of a certain channel bandwidth, the actual channel capacity mainly depends on the signal-to-noise ratio of the communication system and the modulation and transmission technology used.

Q89. Opportunities for WLAN market demand include (

Wireless Campus

Hotel wireless coverage

Enterprise Wi-Fi

Wireless rounds

Logistics wireless inventory management

Wireless Monitoring

WiFi Voice

Q90. Before the WLAN outdoor feeder enters the indoor equipment room from the feeder port, what needs to be done in order to protect against water? (Select one or more)

Coil excess feeder outdoors

Make a drip bend

Straight penetration

Any of the above

Q91. In the wireless controller mode of WX3000 series or WX6103, it can be switched to switch board mode by command.

<H3C>oap connect slot 0

<H3C>oap connect slot 1

[H3C] oap connect slot 0

[H3C] oap connect slot 1

Q92. Contents and concerns of survey decision-making include ?

Determine the antenna type corresponding to the AP (built-in antenna, ceiling antenna, outdoor antenna, etc.)

Approve the total number of APs required for coverage, and add a 5%~10% margin

Determine the AP selection mode (11agn, 11ac, single and dual frequency) and the exact installation position

Calculate the number of access switch ports connected to the AP, and make the number ratio according to the actual situation. At the same time, it needs to be considered in combination with the power supply mode (when using POE/POE+ mode, the output power of the switch).

Q93. The occupied bandwidth of each channel in 802.11g in ISM is

5.22Mhz

16.6Mhz

22Mhz

40Mhz

Q94. In order to increase the ease of use, the FIT AP version of wireless products will no longer be released separately, but will be included in the package file of the corresponding wireless controller version.

correct

error

Q95. Yagi antenna, also known as YAGI antenna, it belongs to

Directional Antenna

Omnidirectional Antenna C Transformer Antenna

Smart Antenna

Q96. The wireless network authentication method for user authorization authentication by linking with the radius server is. (only for advanced exam)

WPA-PSK

PEAP

WEP

EAP-MD5

Q97. Which of the following is true for the AP installation specification description:

If the AP is placed in a waterproof box, the box body should be fixed firmly, and the equipment should be dissipated for heat dissipation, and the box should be waterproofed.

The installation location must ensure that there is no strong electricity, strong magnetism and strong corrosion equipment

The installation of outdoor equipment must be done with lightning protection and waterproof treatment

AP and antenna are more than 3 meters away from 3G/4G antenna

Q98. Which of the following belong to H3C’s optimization technology innovation based on WLAN service application?

Wireless Service Fair Queue Scheduling Mechanism

Wireless user data rate limit

Isolation of Layer 2 service traffic for wireless users

Suppresses the impact of weak signal clients on network performance

Q99. The following are control frames

RTS/CTS

PS-Poll

ACK

Null

Q100. The index used to describe the degree of convergence of the transmit power by the antenna is

Polarity

Power

bandwidth

Gain

Q101. For high-density wireless user access areas, it is necessary to consider deploying multiple APs in the same area.
What is the above statement?

correct

error

Q102. When the H3C AP is directly connected to the wireless switch or connected through a Layer 2 network, the correct registration steps are:
1. The AP sends a Layer 2 broadcast discovery request message to try to contact a wireless switch
2. The AP downloads the latest software version and configuration from the wireless switch
3. The wireless switch that receives the discovery request message will check whether the AP has the right to access the machine, and if so, it will respond with a discovery response
4. AP obtains IP address through DHCP server
5. The AP starts to work normally and the wireless switch exchanges user data packets

12345

41235

14235

41325

Q103. (Single Choice) The following technologies are not specific to the 802.11ax protocol.

802.11ax supports both uplink and downlink MU-MIMO.

802.11ax modulation mode supports 1024QAM.

Supports 8-channel bonding with 160MHz bandwidth.

802.11ax introduces BSS-COLOR to quickly identify BSS and improve signal reception and demodulation efficiency.

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