Antennas are classified by direction and can be classified into antennas and antennas (Select 2 Answers).

• A.omnidirectional
• B.orientation
• C.paraboloid
• D.plate shape

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There are four wireless STAs.
Which workstations occupy the channel preferentially according to the following backoff time parameters?

• A.5
• B.6
• C.7
• D.4

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How many subcarriers can 802.11n use to transmit data in 20M mode?

• A.56
• B.54
• C.52
• D.48

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When configuring a WLAN network, which WQ template should be bound to the following template?

• A.radio-profile
• B.service-set
• C.security-profile
• D.traffic-profile

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Wireless users with the same user VLAN and the same SSID can access the Internet, but they can't access each other. What could be the cause of this phenomenon?

• A.User isolation is configured on the wireless service-set to prevent mutual access between users.
• B.The ACL is configured on the AC to prevent mutual access between users.
• C.Port isolation configured on the switch connected to the AP prevents mutual access between users.
• D.The user's gateway device is configured with an ACL to prevent mutual access between users.

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