Security

Question 1

CIA

Answer 1

Confidentiality
Integrity
Availability

Question 2

Symmetric Encryption

Answer 2

Same key is used to encrypt and decrypt

Question 3

Ciphertext

Answer 3

encrypted text

Question 4

What did Rivest-Shamir-Adleman create

Answer 4

Asymmetric encryption

Question 5

Asymmetric Encryption

Answer 5

Uses a Public Key and a Private Key, which together are known as a key pair. The public key can only encrypt. The Private key can only decrypt. People exchange public keys to communicate.

Question 6

popullar hash algoithmes

Answer 6

md5

sha-1

Question 7

RADIUS

Answer 7

An AAA that uses UDP ports 1812-1813 or UDP ports 1645-1646.

Question 8

TACACS+

Answer 8

An AAA that uses TCP port 49

Question 9

Kerberos

Answer 9

Authentication of local area networks.
It handles authentication and authorization for wired networks.
It relies heavily on time stamps

Question 10

key Distribution Center (KDC)

Answer 10

Consists of two services: AS and TGS.
AS: Authentication Service
TGS: Ticket-Granting Service

Question 11

Extensible Authentication Protocol (EAP)

Answer 11

enables flexible authentication