Question 1

Explain how digital certificates are managed.

Accepted Answer

Several entities and technologies are us...

Question 2

Digital certificates should last forever.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is a valid way to check the status of a certificate? (Choose all that apply. )

Accepted Answer

A)  Online Certificate Status Protocol
B)  Certificate Revocation Authority
C)  Certificate Revocation List
D)  Revocation List ProtocolE) C) and D)
F) A) and B)

Question 4

When two individuals trust each other because of the trust that exists between the individuals and a separate entity,what type of trust has been established?

Accepted Answer

A)  web of
B)  mutual
C)  third-party
D)  distributedE) C) and D)
F) None of the above

Question 5

A framework for all of the entities involved in digital certificates for digital certificate management is known as:

Accepted Answer

A)  public key infrastructure
B)  network key infrastructure
C)  private key infrastructure
D)  shared key infrastructureE) A) and C)
F) A) and B)

Question 6

What process will remove all private and public keys along with the user's identification information in the CA?

Accepted Answer

A)  suspension
B)  deletion
C)  destruction
D)  revocationE) A) and B)
F) B) and C)

Question 7

Some cryptographic algorithms require that in addition to a key another value can or must be input.

Accepted Answer

A) True 
 B)False

Question 8

What role does a key recovery agent fulfill in an enterprise environment?

Accepted Answer

The KRA is a highly trusted person respo...

Question 9

Stream ciphers work on multiple characters at a time.

Accepted Answer

A) True 
 B)False

Question 10

What type of trust model is used as the basis for most digital certificates used on the Internet?

Accepted Answer

A)  third-party trust
B)  related trust
C)  managed trust
D)  distributed trustE) A) and C)
F) B) and C)

Question 11

What common method is used to ensure the security and integrity of a root CA?

Accepted Answer

A)  Keep it in an offline state from the network.
B)  Only use the root CA infrequently.
C)  Password protect the root CA
D)  Keep it in an online state and encrypt it.E) B) and C)
F) A) and D)

Question 12

What is the S/MIME protocol used for?

Accepted Answer

The Secure/Multipurpose Intern...

Question 13

What are the three areas of protection provided by IPSEC?

Accepted Answer

Authentication,confi...

Question 14

List the four stages of a certificate life cycle.

Accepted Answer

Creation,s...

Question 15

What kind of digital certificate is typically used to ensure the authenticity of a web server to a client?

Accepted Answer

A)  private
B)  web server
C)  public web
D)  web clientE) A) and B)
F) A) and C)

Question 16

Select the secure alternative to the telnet protocol:

Accepted Answer

A)  HTTPS
B)  TLS
C)  IPsec
D)  SSHE) None of the above
F) A) and C)

Question 17

The process by which keys are managed by a third party,such as a trusted CA,is known as?

Accepted Answer

A)  key escrow
B)  key destruction
C)  key renewal
D)  key managementE) B) and C)
F) A) and B)

Question 18

Why is IPsec considered to be a transparent security protocol?

Accepted Answer

A)  IPsec packets can be viewed by anyone.
B)  IPsec is designed to not require modifications of programs,or additional training,or additional client setup.
C)  IPsec's design and packet header contents are open sourced technologies.
D)  IPsec uses the Transparent Encryption (T
E)  algorithm.E) A) and B)
F) A) and C)

Question 19

What is used to create session keys?

Accepted Answer

A)  master secret
B)  crypto modules
C)  validation
D)  domain validationE) A) and D)
F) A) and C)

Question 20

What protocol below supports two encryption modes: transport and tunnel?

Accepted Answer

A)  HTTPS
B)  IPSec
C)  SSL
D)  TLSE) None of the above
F) A) and B)

Exam 4: Advanced Cryptography and PKI

Why is IPsec considered to be a transparent security protocol?

Correct AnswerverifiedShow Answer

Explain how digital certificates are managed.

Correct AnswerverifiedSeveral entities and technologies are us...View AnswerShow Answer

What protocol below supports two encryption modes: transport and tunnel?

Correct AnswerverifiedShow Answer

What common method is used to ensure the security and integrity of a root CA?

Correct AnswerverifiedShow Answer

What type of trust model is used as the basis for most digital certificates used on the Internet?

Correct AnswerverifiedShow Answer

Digital certificates should last forever.

Correct AnswerverifiedShow Answer

What are the three areas of protection provided by IPSEC?

Correct AnswerverifiedAuthentication,confi...View AnswerShow Answer

Some cryptographic algorithms require that in addition to a key another value can or must be input.

Correct AnswerverifiedShow Answer

The process by which keys are managed by a third party,such as a trusted CA,is known as?

Correct AnswerverifiedShow Answer

Which of the following is a valid way to check the status of a certificate? (Choose all that apply. )

Correct AnswerverifiedShow Answer

What is the S/MIME protocol used for?

Correct AnswerverifiedThe Secure/Multipurpose Intern...View AnswerShow Answer

A framework for all of the entities involved in digital certificates for digital certificate management is known as:

Correct AnswerverifiedShow Answer

When two individuals trust each other because of the trust that exists between the individuals and a separate entity,what type of trust has been established?

Correct AnswerverifiedShow Answer

What is used to create session keys?

Correct AnswerverifiedShow Answer

Select the secure alternative to the telnet protocol:

Correct AnswerverifiedShow Answer

List the four stages of a certificate life cycle.

Correct AnswerverifiedCreation,s...View AnswerShow Answer

Stream ciphers work on multiple characters at a time.

Correct AnswerverifiedShow Answer

What process will remove all private and public keys along with the user's identification information in the CA?

Correct AnswerverifiedShow Answer

What kind of digital certificate is typically used to ensure the authenticity of a web server to a client?

Correct AnswerverifiedShow Answer

What role does a key recovery agent fulfill in an enterprise environment?

Correct AnswerverifiedThe KRA is a highly trusted person respo...View AnswerShow Answer

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Several entities and technologies are us...
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Authentication,confi...
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Correct Answer
verified
The Secure/Multipurpose Intern...
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Creation,s...
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Correct Answer
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The KRA is a highly trusted person respo...
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