1. General The/Pale Qtions (5 lats tealrs 5 ninutel Please record your answer to
ID: 3595727 • Letter: 1
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1. General The/Pale Qtions (5 lats tealrs 5 ninutel Please record your answer to the following true or false questions. a. (3 points) True or False: Circuit switched networks do not suffer from propagation b. (3 points) True or False: Packet switching is used in computer networks because it c. (3 points) True or False: That HTTP/1.1 by default uses a persistent TCP connec- delay is fast. tion means that HTTP/1.1 is a stateful application-layer protocol.e., the HTTP/1.1 client and server will maintain some states to remember the previous HTTP requests/replies. protocol. that the end hosts can recover lost packets using the port numbers d (3 points) True or False: SMTP is an example of "request-n-reply" application layer e. (3 points) True or False: TCP packets carry the transport layer port numbers soExplanation / Answer
a.) False. Propogation delay occurs due to the distance of link and speed of bit transmission. Therefore, circuit switching also suffers from propogation delay.
b.) False. Packet switch is not faster than circuit switching because of extra overhead of fragementation and assembling.
c.) False. Though HTTP/1.1 by default uses persistent TCP protocol but it is not stateful protcol.
d.) True. SMTP is an example of request and reply application layer protocol.
e.) False. Packets in TCP are recovered using sequence number.
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