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Juniper Exam JN0-251 Topic 13 Question 19 Discussion

Actual exam question for Juniper's JN0-251 exam

Question #: 19
Topic #: 13

[All JN0-251 Questions]

Which statement is correct about a WLAN RF medium?

AA WLAN RF is a full duplex, contention free medium where each client transmits on a separate channel.

BA WLAN RF is a full-duplex, contention-free medium where 802.11 stations can transmit and receive at the same time.

CA WLAN RF is a half-duplex, shared medium where 802.11 stations contend with each other for access.

DA WLAN RF is a half-duplex, contention-free medium where the access point polls each station in turn.

Show Suggested Answer

Suggested Answer: C

According to the Cisco Content Hub1, Wi-Fi is half duplex, meaning we can either transmit (Tx) or receive (Rx) on the medium, the clients and the network take turns accessing the medium. Wi-Fi is contention based, meaning there are rules for stations trying to access the medium and collisions (due to two or more stations simultaneously accessing the medium) are worked out fairly so everyone gets a chance.

by Stephen at Nov 24, 2023, 08:18 PM

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