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Question 1:

In Mandatory Access Control, sensitivity labels attached to object contain what information?

A. The item\’s classification

B. The item\’s classification and category set

C. The item\’s category

D. The items\’s need to know

Correct Answer: B

Explanation: The following is the correct answer: the item\’s classification and category set.

A Sensitivity label must contain at least one classification and one category set.

Category set and Compartment set are synonyms, they mean the same thing. The sensitivity label must contain at least one Classification and at least one Category. It is common in some environments for a single item to belong to multiple

categories. The list of all the categories to which an item belongs is called a compartment set or category set.

The following answers are incorrect:

The item\’s classification. Is incorrect because you need a category set as well.

The item\’s category. Is incorrect because category set and classification would be both be required.

The item\’s need to know. Is incorrect because there is no such thing. The need to know is indicated by the catergories the object belongs to. This is NOT the best answer.

Reference(s) used for this question:

OIG CBK, Access Control (pages 186 – 188)

AIO, 3rd Edition, Access Control (pages 162 – 163)

AIO, 4th Edition, Access Control, pp 212-214

Wikipedia – http://en.wikipedia.org/wiki/Mandatory_Access_Control

Question 2:

Which of the following access control models requires security clearance for subjects?

A. Identity-based access control

B. Role-based access control

C. Discretionary access control

D. Mandatory access control

Correct Answer: D

Explanation: With mandatory access control (MAC), the authorization of a subject\’s access to an object is dependant upon labels, which indicate the subject\’s clearance. Identity-based access control is a type of discretionary access control. A role-based access control is a type of non-discretionary access control. Source: KRUTZ, Ronald L. and VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, John Wiley and Sons, 2001, Chapter 2: Access control systems (page 33).

Question 3:

What is called a password that is the same for each log-on session?

A. “one-time password”

B. “two-time password”

C. static password

D. dynamic password

Correct Answer: C

Explanation: Source: KRUTZ, Ronald L. and VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley and Sons, Page 36

Question 4:

Which of the following is an issue with signature-based intrusion detection systems?

A. Only previously identified attack signatures are detected.

B. Signature databases must be augmented with inferential elements.

C. It runs only on the windows operating system

D. Hackers can circumvent signature evaluations.

Correct Answer: A

Explanation: An issue with signature-based ID is that only attack signatures that are stored in their database are detected.

New attacks without a signature would not be reported. They do require constant updates in order to maintain their effectiveness.

Reference used for this question:

KRUTZ, Ronald L. and VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley and Sons, Page 49

Question 5:

Which of the following would describe a type of biometric error refers to as false rejection rate?

A. Type I error

B. Type II error

C. Type III error

D. CER error

Correct Answer: A

Explanation: When a biometric system rejects an authorized individual, it is called a Type I error.

When a system accepts impostors who should be rejected (false positive), it is called a Type II error.

The Crossover Error Rate (CER), stated in a percentage, represents the point at which false rejection (Type I) rate equals the false acceptance (Type II) rate. Type III error is not defined and simply a distracter in this case. Some people get

trick on this one because they are thinking about Authentication Factors where Biometric is a type III authentication factor.

Beware not to mix authentication factor with biometric errors. The 3 authentication factors are:

Type 1 Something you know

Type 2 Something you have

Type 3 Something you are

Reference(s) used for this question:

HARRIS, Shon, All-In-One CISSP Certification Exam Guide, McGraw-Hill/Osborne, 2002, chapter 4: Access Control (page 128).

and

https://pciguru.wordpress.com/2010/05/01/one-two-and-three-factor-authentication/

CISSP VCE DumpsCISSP Study GuideCISSP Braindumps

Question 6:

Which best describes a tool (i.e. keyfob, calculator, memory card or smart card) used to supply dynamic passwords?

A. Tickets

B. Tokens

C. Token passing networks

D. Coupons

Correct Answer: B

Explanation: Tokens; Tokens in the form of credit card-size memory cards or smart cards, or those resembling small calculators, are used to supply static and dynamic passwords.

Source: KRUTZ, Ronald L. and VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley and Sons, Page 37

Question 7:

Which of the following was developed to address some of the weaknesses in Kerberos and uses public key cryptography for the distribution of secret keys and provides additional access control support?

A. SESAME

B. RADIUS

C. KryptoKnight

D. TACACS

Correct Answer: A

Explanation: Secure European System for Applications in a Multi-vendor Environment (SESAME) was developed to address some of the weaknesses in Kerberos and uses public key cryptography for the distribution of secret keys and

provides additional access control support.

Reference:

TIPTON, Harold, Official (ISC)2 Guide to the CISSP CBK (2007), page 184

ISC OIG Second Edition, Access Controls, Page 111

Question 8:

Which access control model was proposed for enforcing access control in government and military applications?

A. Bell-LaPadula model

B. Biba model

C. Sutherland model

D. Brewer-Nash model

Correct Answer: A

Explanation: The Bell-LaPadula model, mostly concerned with confidentiality, was proposed for enforcing access control in government and military applications. It supports mandatory access control by determining the access rights from the

security levels associated with subjects and objects. It also supports discretionary access control by checking access rights from an access matrix. The Biba model, introduced in 1977, the Sutherland model, published in 1986, and the

Brewer-Nash model, published in 1989, are concerned with integrity.

Source: ANDRESS, Mandy, Exam Cram CISSP, Coriolis, 2001, Chapter 2: Access Control Systems and Methodology (page 11).

Question 9:

An attack initiated by an entity that is authorized to access system resources but uses them in a way not approved by those who granted the authorization is known as a(n):

A. active attack.

B. outside attack.

C. inside attack.

D. passive attack.

Correct Answer: C

Explanation: An inside attack is an attack initiated by an entity inside the security perimeter, an entity that is authorized to access system resources but uses them in a way not approved by those who granted the authorization whereas an outside attack is initiated from outside the perimeter, by an unauthorized or illegitimate user of the system. An active attack attempts to alter system resources to affect their operation and a passive attack attempts to learn or make use of the information from the system but does not affect system resources. Source: SHIREY, Robert W., RFC2828: Internet Security Glossary, may 2000

Question 10:

Which of the following is implemented through scripts or smart agents that replays the users multiple log-ins against authentication servers to verify a user\’s identity which permit access to system services?

A. Single Sign-On

B. Dynamic Sign-On

C. Smart cards

D. Kerberos

Correct Answer: A

Explanation: SSO can be implemented by using scripts that replay the users multiple log- ins against authentication servers to verify a user\’s identity and to permit access to system services.

Single Sign on was the best answer in this case because it would include Kerberos. When you have two good answers within the 4 choices presented you must select the BEST one. The high level choice is always the best. When one choice

would include the other one that would be the best as well.

Reference(s) used for this question:

KRUTZ, Ronald L. and VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley and Sons, Page 40

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