serving TCP/IP

Question 1

A hash function is by definition a _______________.

Answer 1

one-way function

Question 2

In a PKI encryption method, which key encrypts the data?

Answer 2

Public

Question 3

Which of the following is true about the main difference between a web session that uses port 80 and one that uses port 443?

Answer 3

Port 80 web sessions often use application-level encryption, while port 443 sessions often use transport-level encryption.

Question 4

Any encryption that uses the same key for encryption and decryption is called?

Answer 4

Symmetric key

Question 5

A user authenticated to more than one website using their same credentials is an example of:

Answer 5

Single sign-on

Question 6

Which of the following is a common hash function?

Answer 6

SHA-3

Question 7

The process of verifying with a high degree of confidence that the sender is who the receiver thinks he or she should be is called _______________.

Answer 7

nonrepudiation

Question 8

If you saw some traffic running on UDP ports 1812 and 1813, what AAA standard would you know was running?

Answer 8

RADIUS

Question 9

In order to have a PKI you must have a(n) _______________.

Answer 9

root authority

Question 10

RC4 is a(n) _______________ cipher.

Answer 10

stream