1) What is client program? What isa server program? Does a server program reques
ID: 3613151 • Letter: 1
Question
1) What is client program? What isa server program? Does a server program request and receives from aclient program? [2point]
2) What are the two types oftransport services that the Internet provider to its applications?What are some characteristics of each of these services?[2point]
3) What advantages does acircuit-switched network have over a packet-switched network? Whatadvantages does TDM have over FDM in circuit-switched network?[2point]
4) What is the key distinguishdifference between a tier-1 ISP and tire-2 ISP? [2point]
5) Suppose you are developing thestandard for new type of packet-switched network. You need todecide whether your network will use VCs or datagram routing. Whatare the pros and cons for using VCs? [2point]
6) What is the difference betweenPOP and a NAP? [2point]
7) What are the five layers in theinternet protocol stack? What are the principal responsibilities ofeach of these layers? [2point]
8) Consider sending a packet fromsending host to receiving host over a fixed route. List the delaycomponents in the end-to-end delay. Which of these delays areconstant and which are variable? [2point]
Explanation / Answer
1) A client is an application or systemthat accesses a remote service on another computer system,is calledclient programm by way of anetwork.->The client program was first applied to devices that were notcapable of running their own stand-alone programs, but couldinteract with remote computers via a network. These dumb terminalswere clients of the time-sharing mainframe computer. ->A computer program that is responsible for accepting HTTPrequests from clients and serving them is called serverprogramm.
->HTTP responses along with optional data contents, whichusually are web pages such as HTML documents and linkedobjects. ->YES, a server program request and receives from a clientprogram. 6) ->A point-of-presence (POP) is an artificial demarcationpoint or interface point between communications entities. ->ISPs typically have multiple POPs, sometimes numbering inthe thousands. POPs are also located at Internet exchange pointsand colocation centres. ->Network Access Point (NAP) are the hubs of the Internet.NAPs route millions of bits per second. ->Network Access Point (NAP) are the hubs of the Internet.NAPs route millions of bits per second. ITS HELPFUL TO YOU......
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