Peer-to-Peer Protocols And Local Area Networks - W
Peer-to-Peer Protocols and Local Area Networks - W
Exam (elaborations)
Peer-to-Peer Protocols and Local Area Networks - Week 4
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Peer-to-Peer Protocols and Local Area Networks - W
Institution
Peer-to-Peer Protocols And Local Area Networks - W
Peer-to-Peer Protocols and Local Area Networks - Week 4
Which of following features are typically true for local area networks?
a. All of the above
b. Low error rate
c. High speed
d. Low round-trip delay ️a
Use HDLC and Ethernet to identify similarities between medium access control a...
Peer-to-Peer Protocols and Local Area Networks - W
Peer-to-Peer Protocols and Local Area Networks - W
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Peer-to-Peer Protocols and Local Area Networks - Week 4
Which of following features are typically true for local area networks?
a. All of the above
b. Low error rate
c. High speed
d. Low round-trip delay ✔️a
Use HDLC and Ethernet to identify similarities between medium access control and data link control
protocols. Which of following statements are true?
a. Both contains framing information that delineates the beginning and end of each frame.
b. Both check the CRC in the received frames for errors
c. Both implement error control and flow control for reliable transmission.
d. None of the above ✔️a, b
Use IEEE 802.3 and IEEE 802.11 to discuss differences between wired and wireless LANs. Which of
following statements are true about the differences?
a. All of the above
b. Error rate
c. Station mobility
d. Collision detection ✔️a
Which of following is not a primary responsibility of the MAC sublayer in LANs?
a. Fragmentation and reassembly of MAC service data unit
b. Channel access
c. Protocol data unit addressing
d. Reliable connection-oriented service ✔️d
, In Ethernet, slot time that is at least the round-trip propagation delay, is the critical system parameter
for
a. All of the above
b. quantum for re-transmission scheduling
c. upper bound on time to detect collision
d. upper bound on time to acquire channel ✔️a
Which one of the following event is not possible in wireless LAN.
a. Multi-mode data transfer
b. Collision avoidance
c. Collision detection
d. Acknowledgement of data frames ✔️c
In 802.11 protocol, MAC can alternate between Contention Periods (CPs) and Contention-Free Periods
(CFPs)
a. True
b. False ✔️a
CSMA/CD is not used in DCF because
a. a station is unable to listen to the channel for collisions while transmitting
b. physical carrier sense detects the presence of other WLAN users
c. in idle state, a station is unable to listen to the channel for collisions
d. None of the above ✔️a
Question 9
In infrastructure network supporting voice and data traffic, data traffic is transported through the CP
and voice traffic through the CFP
a. True
b. False ✔️b
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