Question 1

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 2

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

Accepted Answer

Email viruses typically arrive as email attachments, often with enticing or misleading subject lines to encourage users to open them. While they may send themselves to selected names on the user's email mailing list, they may also spread through other means such as network drives or instant messaging. Though they may not always cause local damage on the infected machine, they can still cause significant harm by spreading to others and potentially stealing or corrupting data.

Question 3

The network vehicle used for worm propagation is ___________.

Accepted Answer

The network vehicle used for worm propagation can be any or all of the above, as it depends on the specific worm and its capabilities. Some worms may use electronic mail facilities to spread, while others may exploit remote execution or login capabilities of vulnerable systems to propagate. Therefore, option D, which includes all of the above, is the best choice.

Question 4

__________ 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 5

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 6

__________ capture keystrokes on a compromised system.

Accepted Answer

Keyloggers are specifically designed to capture keystrokes on a compromised system, while worms and zombies may not necessarily have this capability. Therefore, the best choice is C.

Question 7

__________ 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 8

The stage of a virus where it is activated to perform the function for which it was intended is referred to as the _________.

Accepted Answer

The answer of The stage of a virus where it...

Question 9

__________ is preserving authorized restrictions on information access and disclosure,including means for protecting personal privacy and proprietary information.

Accepted Answer

The answer of __________ is preserving authorized restrictions on information...

Question 10

Which of the following statements regarding macro viruses is true?

Accepted Answer

A) True - Macro viruses are platform independent, meaning they can infect different operating systems such as Windows, macOS, etc.
B) False - Macro viruses infect the macro code within documents (such as Word documents, Excel spreadsheets, etc.) rather than executable code.
C) True - Macro viruses are easily spread through email attachments, shared files, or infected websites.

Question 11

_________ 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...

Question 12

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 13

The three concepts that form the CIA triad are: confidentiality,integrity,and ____________.

Accepted Answer

The answer of The three concepts that form the CIA...

Question 14

A loss of _________ is the unauthorized modification or destruction of information.

Accepted Answer

The answer of A loss of _________ is the unauthorized...

Question 15

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

Accepted Answer

The primary mechanism used in implementing denial-of-service attacks is a bot or a network of compromised computers under the control of an attacker. Worms and Trojan horses can be used to spread these bots, but they are not the primary mechanism. Therefore, option A and B are incorrect.

Question 16

_________ refers to the altering or replacing of valid data or the introduction of false data into a file or database.

Accepted Answer

The answer of _________ refers to the altering or replacing...

Question 17

A secret entry point into a program that allows intruders aware of the breached area to gain access and bypass the usual security access procedures is called a:

Accepted Answer

The correct term for a secret entry point into a program that allows someone to bypass security is a "backdoor," which is not listed among the options provided. Therefore, the correct answer is "none of the above."

Question 18

A worm that can attack a variety of OSs rather than a single OS such as Windows is ______________.

Accepted Answer

A worm that can attack multiple operating systems is referred to as a multiplatform worm. This type of worm is designed to exploit vulnerabilities on different operating systems, making it a more versatile and effective malware than those that can only target a single platform.

Question 19

A virus can be attached to a program by _________.

Accepted Answer

A virus can be attached to a program by prepending (adding the virus code at the beginning of the program), postpending (adding the virus code at the end of the program), or embedding (adding the virus code at any location within the program). Therefore, all of the above options are correct.

Question 20

Which of the following is a type of scanning strategy?

Accepted Answer

All of the given options represent types of scanning strategies.

- Hit List: A method of scanning that targets specific IP addresses or hosts
- Topological: A method of scanning that examines the network topology to identify hosts and potential vulnerabilities
- Local Subnet: A method of scanning that focuses on a specific subnet or range of IP addresses on the local network.

Therefore, choice D is the best answer.

Quiz 18: Computer and Network Security Threats