1. multiple choice question (4 points for each question) 1) Internet protocol la
ID: 3910156 • Letter: 1
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1. multiple choice question (4 points for each question) 1) Internet protocol layers from up to down a) b) Application, transport, network, link, physical Application, network, transport, link, physical c) Application, transport, link, network, physical d) Application, link, network, transport, physical Consider two hosts, A and B, connected by a single link of rate the two hosts are separated by m meters, and suppose the propagation link is 2.5*10 meters/sec. Host A is to send a packet of size 120 calculate the distance m so that the propagation delay equals the tra a) 563 b) 536 c) 650 d)670 56 bps. Suppose that speed along the to Host B 2) that the TCP port number 2005 and 3) Consider a TCP connection between Host A and Host B. Suppose segments traveling from Host A to Host B have source destination port number 3006. What are the source and destination port numbers for the segments traveling from Host B to Host A? 2005 2005 b) 2005 3006 TCP socket is identified by which parameters? a) c) 3006 2005 d) 3006 3006 4) Source address, source port b) a) Destination address, destination port c) Source port, destination port d) Source address, source port, destination address, destination port NRZE coding uses 4B/5B maps 4 data bits to 5 codes. Please map the original bits 1000 0101 1110 to coding. 4B/5B map table is as follows: Data Code Data Code Data Code Data Code 0000 11110 0100 01010 1000 10010 1100 11010 0001 01001 0101 01011 1001 10011 1101 11011 0010 10100 0110 01110 1010 10110 1110 11100 001 1 1 101011-0111 101111 i 10111 10111 L 1111 | 11101 5) a) 10011 01011 10100 c) 10011 01001 11100 d) 10010 01001 10100Explanation / Answer
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Q1) Answer)
Internet protocol layers from up to down are -
a) Application, Transport, Internet, Link, Physical
In the Internet protocol the layers structure from top to bottom are as the above.
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