1
GATE CSE 2005
MCQ (Single Correct Answer)
+2
-0.6
Suppose the round trip propagation delay for a 10 Mbps Ethernet having 48-bit jamming signal is 46.4 μs. The minimum frame size is
A
94
B
416
C
464
D
512
2
GATE CSE 2004
MCQ (Single Correct Answer)
+2
-0.6
A and B are the only two stations on an Ethernet. Each has a steady queue of frames to send. Both A and B attempt to transmit a frame, collide, and A wins the first backoff race. At the end of this successful transmission by A, both A and B attempt to transmit and collide. The probability that A wins the second backoff race is
A
0.5
B
0.625
C
0.75
D
1.0
3
GATE CSE 2003
MCQ (Single Correct Answer)
+2
-0.6
A 2 km long broadcast LAN has 107 bps bandwidth and uses CSMA/CD. The signal travels along the wire at 2 × 108 m/s. What is the minimum packet size that can be used on this network?
A
50 bytes
B
100 bytes
C
200 bytes
D
None of the above
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