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Question 46

Which of the following types of cyberstalking damages the reputation of their victim and turns other people against them by setting up their own Websites, blogs, or user pages for this purpose?

A.False accusation
B.Attempts to gather information about the victim
C.Encouraging others to harass the victim
D.False victimization

Question 47

Which of the following IEEE standards adds QoS features and multimedia support?

A.802.11a
B.802.5
C.802.11b
D.802.11e

Question 48

Which of the following is a mechanism that helps in ensuring that only the intended and authorized recipients are able to read data?

A.Integrity
B.Data availability
C.Confidentiality
D.Authentication

Correct Answer: C

Confidentiality is a mechanism that ensures that only the intended and authorized recipients are able to read data. The data is so encrypted that even if an unauthorized user gets access to it, he will not get any meaning out of it. Answer option A is incorrect. In information security, integrity means that data cannot be modified without authorization. This is not the same thing as referential integrity in databases. Integrity is violated when an employee accidentally or with malicious intent deletes important data files, when a computer virus infects a computer, when an employee is able to modify his own salary in a payroll database, when an unauthorized user vandalizes a web site, when someone is able to cast a very large number of votes in an online poll, and so on. There are many ways in which integrity could be violated without malicious intent. In the simplest case, a user on a system could mis-type someone's address. On a larger scale, if an automated process is not written and tested correctly, bulk updates to a database could alter data in an incorrect way, leaving the integrity of the data compromised. Information security professionals are tasked with finding ways to implement controls that prevent errors of integrity. Answer option B is incorrect. Data availability is one of the security principles that ensures that the data and communication services will be available for use when needed (expected). It is a method of describing products and services availability by which it is ensured that data continues to be available at a required level of performance in situations ranging from normal to disastrous. Data availability is achieved through redundancy, which depends upon where the data is stored and how it can be reached. Answer option D is incorrect. Authentication is the act of establishing or confirming something (or someone) as authentic, i.e., the claims made by or about the subject are true ("authentification" is a variant of this word).

Question 49

Which of the following layers provides communication session management between host computers?

A.Application layer
B.Internet layer
C.Transport layer
D.Link layer

Question 50

A war dialer is a tool that is used to scan thousands of telephone numbers to detect vulnerable modems. It
provides an attacker unauthorized access to a computer. Which of the following tools can an attacker use to
perform war dialing? Each correct answer represents a complete solution. Choose all that apply.

A.ToneLoc
B.Wingate
C.THC-Scan
D.NetStumbler