Question 1

How is the public key distributed in an orderly, controlled fashion so that the users can be sure of the sender’s identity?

Options :

A : Hash value

B : Private key

C : Digital signature

D : Digital certificate

Answer: D

Question 2

What type of virus is most likely to remain undetected by antivirus software?

Options :

A : Cavity virus

B : Stealth virus

C : File-extension virus

D : Macro virus

Answer: B

Question 3

What is the known plaintext attack used against DES which gives the result that encrypting plaintext with one DES key followed by encrypting it with a second DES key is no more secure than using a single key?

Options :

A : Man-in-the-middle attack

B : Meet-in-the-middle attack

C : Replay attack

D : Traffic analysis attack

Answer: B

Question 4

Study the following log extract and identify the attack.

Options :

A : Hexcode Attack

B : Cross Site Scripting

C : Multiple Domain Traversal Attack

D : Unicode Directory Traversal Attack

Answer: D

Question 5

Scenario1:

1.Victim opens the attacker's web site.

2.Attacker sets up a web site which contains interesting and attractive content like 'Do you want to make

$1000 in a day?'.

3.Victim clicks to the interesting and attractive content URL.

4.Attacker creates a transparent 'iframe' in front of the URL which victim attempts to click, so victim thinks

that he/she clicks to the 'Do you want to make $1000 in a day?' URL but actually he/she clicks to the content

or URL that exists in the transparent 'iframe' which is setup by the attacker.

What is the name of the attack which is mentioned in the scenario?

Options :

A : Session Fixation

B : HTML Injection

C : HTTP Parameter Pollution

D : Clickjacking Attack

Answer: D