HCIA-WLAN V3.0 (H12-311_V3.0) Practice Test

Questions # 51:

WLAN The commonly used radio frequency cables in the system are (). (Select 3 Answers)

Options:

RG-8 Jumper

1/2 ”(Inch) Super flexible feeder

1/2 "(Inch) feeder

13/8 "(Inch) feeder

Questions # 52:

WLAN What are the working frequency bands ()? (Select 2 Answers)

Options:

2 GHz

5 GHz

5.4 GHz

2.4 GHz

Questions # 53:

Each AC Equipment needs to be specified AC The source of IP Address for peace AP Establish CAPWAP Tunnel, one AC You can specify up to 2 Piece WLAN source IP.

Options:

True

False

Questions # 54:

AC Perform the load balancing process according to () information.

Options:

AP Periodically to AC Send its associated STA Information

STA Periodically report the current associated AP Logo

AC Timed query AP Associated STA number

STA Periodically search the surrounding AP Information and through association AP Report AP Logo

Questions # 55:

Which of the following rates is not 802.11a. The rate supported by the protocol ()?

Options:

6Mbps

12Mbps

24Mbps

30Mbps

Questions # 56:

Drag the networking modes on the left to their corresponding characteristics on the right.

Question # 56

Options:

Questions # 57:

Perform connectivity test AP or AC Must be online.

Options:

True

False

Questions # 58:

WLAN middle,AP It has been working in a half-duplex state.

Options:

True

False

Questions # 59:

The distance between the center frequencies of the two channels is less than or equal to

In order to avoid adjacent channel interference during domain channel planning, the same channel is not allowed to be used.

25MHz When there is an overlapping area between the channels, there will be some interference, so in the adjacent area

Options:

True

False

Questions # 60:

The following pairs PSK The authentication description is wrong ().

Options:

PSK Authentication requires the same pre-shared key to be configured on the wireless client and device

WPA and WPA2 All support PSK Certification

PSK The authentication process is similar to the shared key authentication process, so the security is the same

PSK Certification is passed 4 Handshake Key Negotiate to verify STA side Key The legitimacy

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