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GATE 2019 - Computer Network Quiz-5 (WiFI )

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Question 1

Which device we use at DLL.

Question 2

Which of the following is not 802.11 protocol? 

Question 3

Consider two problem which are observed in wireless network:
1) Hidden Node Problem
2) Exposed Node Problem
Which of the following is true?

Question 4

Which technique is used by 802.11 b HR-DSSS for data transfer?

Question 5

Device on one network can communicate with devices on another network via a

Question 6

For the IEEE 802.11 MAC protocol for wireless communication, which of the following statements is/are TRUE?
I. At least three non-overlapping channels are available for transmissions.
II. The RTS-CTS mechanism is used for collision detection.
III. Unicast frames are ACKed.
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Mar 1GATE & PSU CS