internet com 21 Flashcards
1
Q
what is circuit switching
A
an alternative to packet switching in which only two devices are connected with no delay however it takes up bandwitdth as others cant use it
2
Q
difference between https and http
A
https encrypts all the data to make it secure
3
Q
ftp
A
file transfer protocol , ensures that all computers on a network can acess the files
4
Q
what are the email protocols
A
POP - post office protocol
IMAP - internet message access protocol
SMTP simple mail transfer protocol
5
Q
differneces between physcial and logical protocols
A
logical , rules which govern the data being sent
physical , govern the physcial mediums that data travels through , eg wires
6
Q
what is handshaking
A
as two devices communicate they need to on certain protocals
