Question

1. Something you know (SYK) Something you have (SYH) Something you are (SYA) Something you do (SYD) are attributes that allow you to do what to a user? ___________

2. Consider the primitive case of asymmetric encryption; no digital signature and no digital envelope. A person sends a message to a recipient using asymmetric encryption. What is the total number of keys used to send and receive the single message? _________________

3.

If the sender of a message encrypts the message using the recipients public key what attribute is ensured?

	1.	Confidentiality
	2.	Authentication
	3.	Integrity
	4.	Authentication and confidentiality
	5.	None of these answers

4.

Defense in depth would implement security elements in which components. Select the best answer.

A. Operating system

B. Applications programs

C. Routers

D. Switches

E. Firewalls

F. Policies

G. None of the answers

	1.	A, B, C, D, E, F
	2.	A, B
	3.	C, D, E
	4.	G
	5.	A, B, F

5. You may use either rail fence variation. Using a rail fence cipher with a depth of 3 encrypt the following plaintext. THE ANSWER IS SIMPLE _________

Answer 1

1) Allows us to deo User Authentication

2) Two(One for encryption and One for decryption)

3) Option 2 (Authentication)

4) Option 1 (A,B,C,D,E,F)

5) TAESMH NWRI IPEES SL