Question 1

Describe and provide an example for each of the types of authentication mechanisms.

Accepted Answer

There are three types of authentication ...

Question 2

What is asymmetric encryption?

Accepted Answer

Asymmetric encryption is also known as p...

Question 3

Which port number is commonly used for the Simple Mail Transfer Protocol service?

Accepted Answer

A)   25
B)   53 
C)   68
D)   443E) C) and D)
F) B) and D)

Question 4

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) None of the above
F) A) and C)

Question 5

Briefly describe how biometric technologies are generally evaluated.

Accepted Answer

Biometric technologies are generally eva...

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

What tool would you use if you want to collect information as it is being transmitted on the network and analyze the contents for the purpose of solving network problems?

Accepted Answer

A)   Port scanner
B)   Packet sniffer 
C)   Vulnerability scanner
D)   Content filterE) B) and C)
F) A) and D)

Question 8

Which technology has two modes of operation: transport and tunnel?

Accepted Answer

A)   Secure Hypertext Transfer Protocol
B)   Secure Shell 
C)   IP Security
D)   Secure Sockets LayerE) B) and C)
F) None of the above

Question 9

Describe in basic terms what an IDPS is.

Accepted Answer

Intrusion detection and prevention syste...

Question 10

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) All of the above
F) B) and C)

Question 11

A private,secure network operated over a public and insecure network.

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) D) and F)

Question 12

A(n)____________________ is a secret word or combination of characters known only by the user.

Accepted Answer

The answer of A(n)____________________ is a secret word or combination...

Question 13

A cryptographic operation that involves simply rearranging the values within 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) E) and G)
L) H) and J)

Question 14

In IPSec,an encryption method in which only a packet's IP data is encrypted,?not the IP headers themselves; this method allows intermediate nodes to read the source and?destination addresses.

Accepted Answer

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

Question 15

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

Accepted Answer

A)   Permutation
B)   Vernam 
C)   Substitution
D)   MonoalphabeticE) None of the above
F) C) and D)

Question 16

Which of the following is NOT a method employed by IDPSs to prevent an attack from succeeding?

Accepted Answer

A)   Sending DoS packets to the source
B)   Terminating the network connection 
C)   Reconfiguring network devices
D)   Changing the attack's contentE) None of the above
F) A) and C)

Question 17

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

Accepted Answer

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

Question 18

The organized research and investigation of Internet addresses owned or controlled by a target organization.

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) A) and B)

Question 19

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 20

Public key container files that allow PKI system components and end users to validate a public key and identify its owner.

Accepted Answer

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

Exam 12: Protection Mechanisms

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

Correct AnswerverifiedShow Answer

A(n)____________________ is a secret word or combination of characters known only by the user.

Correct AnswerverifiedShow Answer

Describe in basic terms what an IDPS is.

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

A private,secure network operated over a public and insecure network.

Correct AnswerverifiedShow Answer

Which technology has two modes of operation: transport and tunnel?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The organized research and investigation of Internet addresses owned or controlled by a target organization.

Correct AnswerverifiedShow Answer

What tool would you use if you want to collect information as it is being transmitted on the network and analyze the contents for the purpose of solving network problems?

Correct AnswerverifiedShow Answer

Which port number is commonly used for the Simple Mail Transfer Protocol service?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Briefly describe how biometric technologies are generally evaluated.

Correct AnswerverifiedBiometric technologies are generally eva...View AnswerShow Answer

A cryptographic operation that involves simply rearranging the values within a block based on an established pattern.

Correct AnswerverifiedShow Answer

Describe and provide an example for each of the types of authentication mechanisms.

Correct AnswerverifiedThere are three types of authentication ...View AnswerShow Answer

Which of the following is NOT a method employed by IDPSs to prevent an attack from succeeding?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Public key container files that allow PKI system components and end users to validate a public key and identify its owner.

Correct AnswerverifiedShow Answer

What is asymmetric encryption?

Correct AnswerverifiedAsymmetric encryption is also known as p...View AnswerShow Answer

In IPSec,an encryption method in which only a packet's IP data is encrypted,?not the IP headers themselves; this method allows intermediate nodes to read the source and?destination addresses.

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

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Intrusion detection and prevention syste...
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Biometric technologies are generally eva...
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There are three types of authentication ...
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Asymmetric encryption is also known as p...
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