Technical

1. Tracer discovere is a command which passel show you the rails a packet of tuition takes from your computer to one you specify. It go away dip all(prenominal) the r extincters it passes through until it r severallyes its destination, or fails to and is discarded. In accession to this, it entrust tell you how long each hop from router to router takes. Tracert man_name Next it gives information quick each router it passes through on the way to its destination. 1 is the earnings gateway on the web this traceroute was done from (an ADSL modem in this case) 2 is the ISP the origin computer is connected to (xtra.co.nz) 3 is in any case in the xtra network 4 prison termd out 5 - 9 are all routers on the global-gateway.net.nz network (the domain that is the internet gateway out of new Zealand) 10 - 14 are all gnaps.net in the USA (a telecom provider in the USA) 15 - 17 are on the nac network (Net Access Corporation, an ISP in the New York area) 18 is a router on t he network mediacollege.com is hosted on and finally, line 19 is the computer mediacollege.com is hosted on (sol.yourhost.co.nz) This is extremely useful when trying to watch over out why a website is unreach sufficient, as you will be able to see where the connection fails.

If you have a website hosted somewhere, it would be a good idea to do a traceroute to it when it is working, so that when it fails, you can do another traceroute to it (which will in all probability time out if the website is unreachable) and compare them. Be aware though, that it will probably take a different route each time, plainly the n etworks it passes through will generally be ! truly similar. 2. To progress a connection, TCP uses a three-way handshake. ahead a client attempts to connect with a server, the server must startle bind to and listen at a expression to undecided it up for connections: this is called a passive stretch out. at one time the passive open is seted, a client may protrude an active open. To establish a connection, the three-way (or 3-step) handshake occurs: 1. SYN: The active open...If you want to cash in ones chips a full essay, state it on our website: BestEssayCheap.com

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