Question 1

Which of the following is a Kerberos service that initially exchanges information with the client and server by using secret keys?

Accepted Answer

A)   Authentication Server
B)   Authentication Client
C)   Key Distribution Center
D)   Ticket Granting ServiceE) A) and B)
F) A) and C)

Question 2

What is the next phase of the preattack data gathering process after an attacker has collected all of an organization's Internet addresses?

Accepted Answer

A)   Footprinting
B)   Content filtering
C)   Deciphering
D)   FingerprintingE) A) and D)
F) B) and C)

Question 3

List the most common firewall implementation architectures.

Accepted Answer

Three architectural implementa...

Question 4

The Ticket Granting Service (TGS)is one of three services in the __________ system,andprovides tickets to clients who request services.

Accepted Answer

The answer of The Ticket Granting Service (TGS)is one of...

Question 5

Was developed by Netscape in 1994 to provide security foronline e-commerce transactions.

Accepted Answer

A)  VPN
B)  transport mode
C)  SSL
D)  PKI
E)  digital certificateF) asymmetric encryptionG) Vernam cipherH) transposition cipherI) content filterJ) footprintingK) G) and J)
L) A) and C)

Question 6

What are NAT and PAT?Describe these technologies.

Accepted Answer

NAT is a method of converting multiple r...

Question 7

The "something a person has" authentication mechanism takes advantage of something inherent in the user that is evaluated using biometrics.

Accepted Answer

A) True 
 B)False

Question 8

Describe in basic terms what an IDPS is.

Accepted Answer

Intrusion detection and prevention syste...

Question 9

Which type of device allows only specific packets with a particular source,destination,and port address to pass through it.

Accepted Answer

A)   Dynamic packet filtering firewall
B)   Proxy server
C)   Intrusion detection system
D)   Application layer firewallE) All of the above
F) None of the above

Question 10

In which cipher method are values rearranged within a block to create the ciphertext?

Accepted Answer

A)   Permutation
B)   Vernam
C)   Substitution
D)   MonoalphabeticE) C) and D)
F) B) and D)

Question 11

Which tool can best identify active computers on a network?

Accepted Answer

A)   Packet sniffer
B)   Port scanner
C)   Trap and trace
D)   Honey potE) A) and B)
F) A) and C)

Question 12

____________is a technology in which multiple real,routable external IP addresses are converted to special ranges of internal IP addresses,usually on a one-to-one basis.

Accepted Answer

Network-address tran...

Question 13

Which of the following characteristics currently used today for authentication purposes is the LEAST unique?

Accepted Answer

A)   Fingerprints
B)   Iris
C)   Retina
D)   Face geometryE) A) and B)
F) B) and C)

Question 14

Which of the following biometric authentication systems is the most accepted by users?

Accepted Answer

A)   Keystroke pattern recognition
B)   Fingerprint recognition
C)   Signature recognition
D)   Retina pattern recognitionE) All of the above
F) B) and C)

Question 15

Technical controls alone,when properly configured,can secure an IT environment.

Accepted Answer

A) True 
 B)False

Question 16

Acryptographic operation that involves simply rearranging the valueswithin a block based on an established pattern.

Accepted Answer

A)  VPN
B)  transport mode
C)  SSL
D)  PKI
E)  digital certificateF) asymmetric encryptionG) Vernam cipherH) transposition cipherI) content filterJ) footprintingK) D) and I)
L) C) and J)

Question 17

An integrated system of software,encryption methodologies,protocols,legal agreements,and third-party services that enables users to communicate securelythrough the use of digital certificates.

Accepted Answer

A)  VPN
B)  transport mode
C)  SSL
D)  PKI
E)  digital certificateF) asymmetric encryptionG) Vernam cipherH) transposition cipherI) content filterJ) footprintingK) B) and F)
L) E) and F)

Question 18

Which of the following is true about symmetric encryption?

Accepted Answer

A)   Uses a secret key to encrypt and decrypt
B)   Uses a private and public key
C)   It is also known as public key encryption
D)   It requires four keys to hold a conversationE) All of the above
F) A) and C)

Question 19

____________________ is the determination of actions that an entity can perform in a physical or logical area.

Accepted Answer

The answer of ____________________ is the determination of actions that...

Question 20

Which technology employs sockets to map internal private network addresses to a public address using a one-to-many mapping?

Accepted Answer

A)   Network-address translation
B)   Screened-subnet firewall
C)   Port-address translation
D)   Private address mappingE) None of the above
F) A) and B)

Exam 12: Protection Mechanisms

Which of the following is a Kerberos service that initially exchanges information with the client and server by using secret keys?

Correct AnswerverifiedShow Answer

Which tool can best identify active computers on a network?

Correct AnswerverifiedShow Answer

Which of the following is true about symmetric encryption?

Correct AnswerverifiedShow Answer

Which of the following biometric authentication systems is the most accepted by users?

Correct AnswerverifiedShow Answer

Which type of device allows only specific packets with a particular source,destination,and port address to pass through it.

Correct AnswerverifiedShow Answer

____________is a technology in which multiple real,routable external IP addresses are converted to special ranges of internal IP addresses,usually on a one-to-one basis.

Correct AnswerverifiedNetwork-address tran...View AnswerShow Answer

Acryptographic operation that involves simply rearranging the valueswithin a block based on an established pattern.

Correct AnswerverifiedShow Answer

Which technology employs sockets to map internal private network addresses to a public address using a one-to-many mapping?

Correct AnswerverifiedShow Answer

The "something a person has" authentication mechanism takes advantage of something inherent in the user that is evaluated using biometrics.

Correct AnswerverifiedShow Answer

What are NAT and PAT?Describe these technologies.

Correct AnswerverifiedNAT is a method of converting multiple r...View AnswerShow Answer

List the most common firewall implementation architectures.

Correct AnswerverifiedThree architectural implementa...View AnswerShow Answer

Technical controls alone,when properly configured,can secure an IT environment.

Correct AnswerverifiedShow Answer

____________________ is the determination of actions that an entity can perform in a physical or logical area.

Correct AnswerverifiedShow Answer

In which cipher method are values rearranged within a block to create the ciphertext?

Correct AnswerverifiedShow Answer

Was developed by Netscape in 1994 to provide security foronline e-commerce transactions.

Correct AnswerverifiedShow Answer

The Ticket Granting Service (TGS)is one of three services in the __________ system,andprovides tickets to clients who request services.

Correct AnswerverifiedShow Answer

What is the next phase of the preattack data gathering process after an attacker has collected all of an organization's Internet addresses?

Correct AnswerverifiedShow Answer

An integrated system of software,encryption methodologies,protocols,legal agreements,and third-party services that enables users to communicate securelythrough the use of digital certificates.

Correct AnswerverifiedShow Answer

Describe in basic terms what an IDPS is.

Correct AnswerverifiedIntrusion detection and prevention syste...View AnswerShow Answer

Which of the following characteristics currently used today for authentication purposes is the LEAST unique?

Correct AnswerverifiedShow Answer

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Network-address tran...
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NAT is a method of converting multiple r...
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Three architectural implementa...
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Intrusion detection and prevention syste...
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