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MCQ

Q.

In IEEE 802.11, the ______ is a timer used for collision avoidance

A

NAV

B

BSS

C

ESS

D

none of the above

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In ________ framing, we need a delimiter (flag) to define the boundary of two frames.

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. VLANs can_________.

A

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________ is a virtual-circuit wide-area network that was designed in response to demands for a new type of WAN in the late 1980s and early 1990s.

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