Deck 1: Computer Systems Overview

Question 1

Assurance is the process of examining a computer product or system
with respect to certain criteria.

Answer 1

False

Question 2

Computer security is protection of the integrity,availability,and
confidentiality of information system resources.

Answer 2

True

Question 3

The first step in devising security services and mechanisms is to
develop a security policy.

Answer 3

True

Question 4

Data integrity assures that information and programs are changed only
in a specified and authorized manner.

Question 5

Security mechanisms typically do not involve more than one particular
algorithm or protocol.

Question 6

Threats are attacks carried out.

Question 7

__________ assures that individuals control or influence what information related to them may be collected and stored and by whom and to whom that information may be disclosed.

A)Availability
B)Privacy
C)System Integrity
D)Data Integrity

Question 8

A ________ level breach of security could be expected to have a severe or catastrophic adverse effect on organizational operations,organizational assets,or individuals.

A)low
B)moderate
C)normal
D)high

Question 9

X.800 architecture was developed as an international standard and
focuses on security in the context of networks and communications.

Question 10

The more critical a component or service,the higher the level of
availability required.

Question 11

A loss of _________ is the unauthorized disclosure of information.

A)confidentiality
B)authenticity
C)integrity
D)availability

Question 12

Hardware is the most vulnerable to attack and the least susceptible to
automated controls.

Question 13

Many security administrators view strong security as an impediment to
efficient and user-friendly operation of an information system.

Question 14

In the context of security our concern is with the vulnerabilities of
system resources.

Question 15

T F 4.Availability assures that systems works promptly and service is not
denied to authorized users.

Question 16

________ assures that a system performs its intended function in an unimpaired manner,free from deliberate or inadvertent unauthorized manipulation of the system.

A)System Integrity
B)Availability
C)Data Integrity
D)Confidentiality

Question 17

The "A" in the CIA triad stands for "authenticity".

Question 18

Contingency planning is a functional area that primarily requires
computer security technical measures.

Question 19

Computer security is essentially a battle of wits between a perpetrator
who tries to find holes and the administrator who tries to close them.

Question 20

A flaw or weakness in a system's design,implementation,or operation and management that could be exploited to violate the system's security policy is a(n)__________.

A)countermeasure
B)adversary
C)vulnerability
D)risk

Question 21

In the United States,student grade information is an asset whose confidentiality is regulated by the __________.

Question 22

__________ 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.

Question 23

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

Question 24

A __________ is any action that compromises the security of information owned by an organization.

A)security mechanism
B)security policy
C)security attack
D)security service

Question 25

An example of __________ is an attempt by an unauthorized user to gain access to a system by posing as an authorized user.

A)masquerade
B)repudiation
C)interception
D)inference

Question 26

The assets of a computer system can be categorized as hardware,software,communication lines and networks,and _________.

Question 27

Misappropriation and misuse are attacks that result in ________ threat consequences.

Question 28

__________ is the insertion of bits into gaps in a data stream to frustrate traffic analysis attempts.

A)Traffic padding
B)Traffic control
C)Traffic routing
D)Traffic integrity

Question 29

A(n)_________ is an attempt to learn or make use of information from the system that does not affect system resources.

A)passive attack
B)outside attack
C)inside attack
D)active attack

Question 30

A(n)_________ is a threat that is carried out and,if successful,leads to an undesirable violation of security,or threat consequence.

Question 31

A threat action in which sensitive data are directly released to an unauthorized entity is __________.

A)corruption
B)intrusion
C)disruption
D)exposure

Question 32

A(n)__________ is an action,device,procedure,or technique that reduces a threat,a vulnerability,or an attack by eliminating or preventing it,by minimizing the harm it can cause,or by discovering and reporting it so that correct action can be taken.

A)attack
B)adversary
C)countermeasure
D)protocol

Question 33

An assault on system security that derives from an intelligent act that is a deliberate attempt to evade security services and violate the security policy of a system is a(n)__________.

A)risk
B)attack
C)asset
D)vulnerability

Question 34

Replay,masquerade,modification of messages,and denial of service are example of _________ attacks.

Question 35

Confidentiality,Integrity,and Availability form what is often referred to as the _____.

Question 36

Release of message contents and traffic analysis are two types of _________ attacks.

Question 37

Masquerade,falsification,and repudiation are threat actions that cause __________ threat consequences.

A)unauthorized disclosure
B)disruption
C)deception
D)usurpation

Question 38

The assurance that data received are exactly as sent by an authorized entity is __________.

A)authentication
B)access control
C)data confidentiality
D)data integrity

Question 39

A(n)_________ is any means taken to deal with a security attack.

Question 40

The _________ prevents or inhibits the normal use or management of communications facilities.

A)passive attack
B)denial of service
C)traffic encryption
D)masquerade

Question 41

The OSI security architecture focuses on security attacks,__________,and services.

Question 42

A __________ is data appended to,or a cryptographic transformation of,a data unit that allows a recipient of the data unit to prove the source and integrity of the data unit and protect against forgery.

Question 43

Establishing,maintaining,and implementing plans for emergency response,backup operations,and post disaster recovery for organizational information systems to ensure the availability of critical information resources and continuity of operations in emergency situations is a __________ plan.

Question 44

A(n)_________ assessment is periodically assessing the risk to organizational operations,organizational assets,and individuals,resulting from the operation of organizational information systems and the associated processing,storage,or transmission or organizational information.

Question 45

Security implementation involves four complementary courses of action: prevention,detection,response,and _________.