12.0

Question 1

What are the three primary goals of security?

Answer 1

Confidentiality
Integrity
Availability

Question 2

Confidentiality best practices?

Answer 2

Use firewalls, acls, require appropriate credentials, encrypt traffic.

Question 3

What are the two basic forms of encryption?

Answer 3

Symmetric and Asymmetric Encryption.

Question 4

List the 3 Symmetric Encryption Algorithms

Answer 4

DES, 3DES, AES

Question 5

AES is available in what key versions?

Answer 5

128, 192, 256

Question 6

Describe one of the most popular Asymmetric algorithm in use today

Answer 6

RSA: used as part of a PKI system, which uses digital certs and a CA to authentication and encryption services.

Question 7

What does integrity ensure?

Answer 7

Ensures that data has not been modified in transit.

Question 8

Hashing is one approach to data integrity, what are two of the most common hashing algorithms?

Answer 8

MD5 (Message Digest 5), Secure Hash Algorithm 1 (SHA-1)

Question 9

Availability of data is a measure of the data’s _____.

Answer 9

Accessibility.

Question 10

3DES Key Length

Answer 10

168

Question 11

MD5 Key Length

Answer 11

128

Question 12

DES KL

Answer 12

56

Question 13

AES KL

Answer 13

128

Question 14

SHA-1 KY

Answer 14

160