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GATE 2019 - Computer Network Quiz-7 (LAN technologies ) (App update required to attempt this test)
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Question 1
The bandwidth of the network is 20Mbps, two host A and B want to send data using CSMA/CD. The propagation time between A and B is 60 micro seconds. What will be the minimum frame size in bytes for successful transmission is ________?
Question 2
During message transfer between two computer system present in a network connected with n numbers of routers, which is variable?
Question 3
Consider CSMA/CD protocol, after 4th collision, what is the probability that node choose k=4.
Question 4
Consider CSMA/CD protocol, after 4th collision, what is the probability that node choose k=4.
Question 5
Consider two hosts X and Y, connected by a single direct link of rate 106 bits/sec. The distance between the two hosts is 10,000 km and the propagation speed along the link is 2 x 108 m/s. Hosts X send a file of 50,000 bytes as one large message to hosts Y continuously. Let the transmission and propagation delays be p milliseconds and q milliseconds, respectively. Then the values of p and q are?
Question 6
Consider a pure aloha channel with maximum capacity of channel as 1.28 Mbps.Each station outputs 40,000 bit frame on an average every 200 sec even if the previous one is in the buffer or has not yet been sent. If channel is shared by N channel, what is the maximum value of N?
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Apr 7GATE & PSU CS
