computer security set 3 Detailed Explanation And More Example

Question : 1

Rootkit is

a) an application that captures TCP/IP data packets, which can maliciously be used to capture passwords and other data while it is in transit either within the computer or over the network.

b) a situation in which one person or program successfully masquerades as another by falsifying data and thereby gaining illegitimate access.

c) a toolkit for hiding the fact that a computer’s security has been compromised, is a general description of a set of programs which work to subvert control of an operating system from its legitimate (in accordance with established rules) operators.

d) None of these

Question : 2

Passwords enable users to–

a) get into the system quickly

b) make efficient use of time

c) retain confidentiality of files

d) simplify file structures

e) None of these

Question : 3

A packet sniffer is

a) a prepared application that takes advantage of a known weakness.

b) a tool used to quickly check computers on a network for known weaknesses.

c) an application that captures TCP/IP data packets, which can maliciously be used to capture passwords and other data while it is in transit either within the computer or over the network.

d) a situation in which one person or program successfully masquerades as another by falsifying data and thereby gaining illegitimate access.

Question : 4

What is the most common way to get a virus in your computer’s hard disk?

a) By installing games from their CDROMS

b) By uploading pictures from mobile phones to the computer

c) By opening emails

d) By sending emails

e) None of these

Question : 5

Grey hat is

a) hacker breaks security for altruistic or at least non-malicious reasons.

b) hacker of ambiguous ethics and/or borderline legality, often frankly admitted.

c) someone outside computer security consulting firms that are used to bug test a system prior to its launch, looking for exploits so they can be closed.

d) None of these

Question : 6

Some viruses have delayed payload, which is sometimes called a

a) time

b) anti-virus

c) bomb

d) All of these

e) None of these