Computing Paper 2 Flashcards
1
Q
Where do the HTTP, HTTPS, SMTP, IMAP and FTP protocols operate?
A
The Application layer
2
Q
Where do the TCP and UDP protocols operate?
A
The transport layer
3
Q
Where does the IP protocol operate?
A
The Network Layer
4
Q
What is the need for, and importance of, network security?
A
It is needed to keep the private information of the user private.It is important on a national scale so that information about the military etc. isn’t leaked.
5
Q
Explain authentication as a method of security
A
It is a method of security that makes sure the user is who they say they are.
6
Q
Explain encryption as a method of security
A
Encryption makes sure no-one can access the data without a key or passcode.
