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For areas with roaming needs, adjacent AP Coverage remains 50% The above overlap to ensure that the terminal is AP Smooth switching between.

A.

True

B.

False

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

(Select 2 Answers)

A.

Plate

B.

paraboloid

C.

Omnidirectional

D.

Orientation

There are four wireless STA, According to the following backoff time parameters, which workstation has the priority to occupy the channel?

A.

5

B.

7

C.

4

D.

6

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

().

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

for CAPWAP Agreement, the error described below is ().

A.

AC And thin AP Transfer protocol

B.

thin AP Transmission protocol with wireless client

C.

Depend on CAPWAP Working group development CAPWAP

D.

The formulation of the agreement has absorbed the useful features of other agreements

What is the recommended AC-ID for Huawei wireless controllers when configuring enterprise network WLAN services ()?

A.

cmcc (China Mobile)

B.

ctc (China Telecom)

C.

cuc (China Unicom)

D.

other (other)

WDS Technology improves the flexibility and convenience of the entire network structure, but it can only support point-to-point working mode.

A.

True

B.

False

If an enterprise’s wireless network networking mode is direct forwarding, then thin and then transfer the message CAPWAP Encapsulate, pass CAPWAP The tunnel transmits this data message to AP can 802.11 Data messages are converted into Ethernet messages, AC.

A.

True

B.

False

Regarding the telnet management of AC6605, the following statement is wrong ().

A.

telnet is a way to remotely manage AC

B.

The telnet service is turned off by default on the AC

C.

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

D.

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

Which of the following statements about antenna gain are true?

A.

When selecting the antenna gain, ensure that the beam matches the coverage area. If the coverage distance is small, select low-gain antennas with wide vertical lobes to ensure the coverage effect in the area near the antenna.

B.

An antenna's gain quantitatively measures the degree of input power an antenna can radiate in a given direction.

C.

An antenna's gain measures its ability to transmit and receive signals in a specific direction. It is irrelevant to the antenna model.

D.

Antennas are passive components, and they do not amplify electromagnetic signals.