Re: Help defining TCP/IP
Where I work information on TCP and UDP and the differences were a part of the first line exam!
What I would suggest is...
break apart TCP and IP, if you're likely to be asked about TCP then you're also likely to be asked about UDP.
If the idea is that you're going to be asked about TCP/IP networking then get some knowledge on networking more in general.
So start with the OSI model.
You don't really need it memorised. but understand that the IP address exists at the network layer (3)
and that TCP is the transmission control protocol and exists at the next layer up -transport layer(4)
You need to understand that TCP is transmission control protocol.
you need to understand how it controls flow,
that there is a handshake that machines which communicate must go through,
you should be able to describe that hand shake, in terms like syn, syn-ack, ack-ack
and communication won't occur until the sending machine knows that the client machine is ready.
on the other hand the UDP (User datagram protocol) has no transmission control.
data is sent from the machine, and there is no connection established as such, the sending just starts, it is used in situations where you don't necessarily care if the end machine gets the data.
Whilst you're looking at networking, think about state-full and stateless firewalls.
Basically, you won't really need to display detailed knowledge, just an overall good understanding.
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