Question 1

One type of attack on the security of a computer system or network that impacts the availability of a system (e.g.destruction of a resource in the system)is referred to as ___________.

Accepted Answer

A) interruption 
B) interception 
C) modification 
D) all of the above

Question 2

The network vehicle used for worm propagation is ___________.

Accepted Answer

A) electronic mail facility 
B) remote execution capability 
C) remote login capability 
D) all of the above

Question 3

The three key objectives of computer security are confidentiality, integrity,and availability.

Accepted Answer

A) True 
 B)False

Question 4

The primary mechanism used in implementing denial-of-service attacks is the:

Accepted Answer

A) worm 
B) Trojan horse 
C) bot 
D) all of the above

Question 5

An example of __________ is an adversary gaining unauthorized access to sensitive data by overcoming the system's access control protections.

Accepted Answer

The answer of An example of __________ is an adversary...

Question 6

Which of the following statements regarding macro viruses is true?

Accepted Answer

A) a macro virus is platform independent 
B) macro viruses infect documents,not executable portions of code 
C) macro viruses are easily spread 
D) all of the above

Question 7

Which of the following statements is generally true regarding the original class of email viruses?

Accepted Answer

A) it sends itself to selected names on the user's email mailing list 
B) arrive in email attachments 
C) usually do no local damage on the infected machine 
D) all of the above

Question 8

Also known as a zombie or drone,a __________ is a program that secretly takes over another Internet-attached computer and then uses that computer to launch attacks that are difficult to trace to the creator.

Accepted Answer

The answer of Also known as a zombie or drone,a...

Question 9

Data confidentiality assures that individuals control or influence what information related to them may be collected and stored.

Accepted Answer

A) True 
 B)False

Question 10

An example of _________ is traffic analysis,in which an adversary is able to gain information from observing the pattern of traffic on a network, such as the amount of traffic between particular pairs of hosts on the network.

Accepted Answer

The answer of An example of _________ is traffic analysis,in...

Question 11

The type of attack on communications lines and networks known as traffic analysis belongs to the general category of ____________.

Accepted Answer

A) active attacks 
B) passive attacks 
C) administrative attacks 
D) none of the above

Question 12

A loss of __________ is the disruption of access to or use of information or an information system.

Accepted Answer

The answer of A loss of __________ is the disruption...

Question 13

__________ involve some modification of the data stream or the creation of a false stream and can be subdivided into four categories: replay, masquerade,modification of messages,and denial of service.

Accepted Answer

The answer of __________ involve some modification of the data...

Question 14

A _________ propagates itself and activates itself,whereas a bot is controlled from some central facility,at least initially.

Accepted Answer

The answer of A _________ propagates itself and activates itself,whereas...

Question 15

Which of the following is a type of scanning strategy?

Accepted Answer

A) hit list 
B) topological 
C) local subnet 
D) all of the above

Question 16

A stealth virus is explicitly designed to hide itself from detection by antivirus software.

Accepted Answer

A) True 
 B)False

Question 17

__________ is the protection afforded to an automated information system in order to attain the applicable objectives of preserving the integrity, availability,and confidentiality of information system resources.

Accepted Answer

The answer of __________ is the protection afforded to an...

Question 18

A virus can be attached to a program by _________.

Accepted Answer

A) prepending 
B) postpending 
C) embedding other than at the beginning or end 
D) all of the above

Question 19

A masquerader is a legitimate user who accesses data,programs,or resources for which such access is not authorized.

Accepted Answer

A) True 
 B)False

Question 20

_________ are in the nature of eavesdropping on,or monitoring of, transmissions.The goal of the attacker is to obtain information that is being transmitted.

Accepted Answer

The answer of _________ are in the nature of eavesdropping...

Exam 18: Computer and Network Security Threats

One type of attack on the security of a computer system or network that impacts the availability of a system (e.g.destruction of a resource in the system) is referred to as ___________.

The network vehicle used for worm propagation is ___________.

The three key objectives of computer security are confidentiality, integrity,and availability.

The primary mechanism used in implementing denial-of-service attacks is the:

An example of __________ is an adversary gaining unauthorized access to sensitive data by overcoming the system's access control protections.

Which of the following statements regarding macro viruses is true?

Which of the following statements is generally true regarding the original class of email viruses?

Also known as a zombie or drone,a __________ is a program that secretly takes over another Internet-attached computer and then uses that computer to launch attacks that are difficult to trace to the creator.

Data confidentiality assures that individuals control or influence what information related to them may be collected and stored.

An example of _________ is traffic analysis,in which an adversary is able to gain information from observing the pattern of traffic on a network, such as the amount of traffic between particular pairs of hosts on the network.

The type of attack on communications lines and networks known as traffic analysis belongs to the general category of ____________.

A loss of __________ is the disruption of access to or use of information or an information system.

__________ involve some modification of the data stream or the creation of a false stream and can be subdivided into four categories: replay, masquerade,modification of messages,and denial of service.

A _________ propagates itself and activates itself,whereas a bot is controlled from some central facility,at least initially.

Which of the following is a type of scanning strategy?

A stealth virus is explicitly designed to hide itself from detection by antivirus software.

__________ is the protection afforded to an automated information system in order to attain the applicable objectives of preserving the integrity, availability,and confidentiality of information system resources.

A virus can be attached to a program by _________.

A masquerader is a legitimate user who accesses data,programs,or resources for which such access is not authorized.

_________ are in the nature of eavesdropping on,or monitoring of, transmissions.The goal of the attacker is to obtain information that is being transmitted.