McAfee Interview Question for SDETs

Country: India
Interview Type: Written Test

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TCP and UDP are Transport layer protocols, which are extensively used in internet for transmitting data between one host to another.

> Connection based
> Guaranteed reliable and ordered
> Automatically breaks up your data into packets for you
> Makes sure it doesn’t send data too fast for the internet connection to handle (flow control)
> Easy to use, you just read and write data like its a file

> No concept of connection, you have to code this yourself
> No guarantee of reliability or ordering of packets, they may arrive out of order, be duplicated, or not arrive at all!
> You have to manually break your data up into packets and send them
> You have to make sure you don’t send data too fast for your internet connection to handle
> If a packet is lost, you need to devise some way to detect this, and resend that data if necessary

- R@M3$H.N January 22, 2015 | Flag Reply

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