Alarik is explaining to a colleague about digital certificates. Which of the following
statements would he use to correctly describe the need for digital certificates?
a. It can speed up processing time when using a web browser.
b. It can hide the public key so that it cannot be abused.
c. It can confirm the true identity of the sender of an encrypted message.
d. It can replace digital signatures with a more robust technology. - ANSWER C
What is a technology used to associate a user's identity to a public key and has been digitally
signed by a trusted third party?
a. digital signature
b. digital certificate
c. digital codebook
d. digital signing repository (DSR) - ANSWER B
Ville has been asked by his supervisor to review the contents of a questionable digital
certificate. Which of the following would Ville NOT find in it?
a. owner's private key
b. serial number of the digital certificate
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, c. name of the issuer
d. owner's name or alias - ANSWER A
Who is responsible for verifying the credentials of an applicant for a digital certificate?
a. CA
b. registration authority
c. CSR
d. intermediate CSR - ANSWER B
Which of the following is NOT a means by which a person requesting a digital certificate can
be authenticated?
a. birth certificate
b. employee badge
c. email
d. telephone number - ANSWER D
What is the strongest technology that would assure Alice that Bob is the sender of a
message?
a. digital signature
b. encrypted signature
c. digest
d. digital certificate - ANSWER D
What is a publicly accessible centralized directory of digital certificates that can be used to
view the status of a digital certificate?
a. CA
b. CR
c. CB
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statements would he use to correctly describe the need for digital certificates?
a. It can speed up processing time when using a web browser.
b. It can hide the public key so that it cannot be abused.
c. It can confirm the true identity of the sender of an encrypted message.
d. It can replace digital signatures with a more robust technology. - ANSWER C
What is a technology used to associate a user's identity to a public key and has been digitally
signed by a trusted third party?
a. digital signature
b. digital certificate
c. digital codebook
d. digital signing repository (DSR) - ANSWER B
Ville has been asked by his supervisor to review the contents of a questionable digital
certificate. Which of the following would Ville NOT find in it?
a. owner's private key
b. serial number of the digital certificate
1
, c. name of the issuer
d. owner's name or alias - ANSWER A
Who is responsible for verifying the credentials of an applicant for a digital certificate?
a. CA
b. registration authority
c. CSR
d. intermediate CSR - ANSWER B
Which of the following is NOT a means by which a person requesting a digital certificate can
be authenticated?
a. birth certificate
b. employee badge
c. email
d. telephone number - ANSWER D
What is the strongest technology that would assure Alice that Bob is the sender of a
message?
a. digital signature
b. encrypted signature
c. digest
d. digital certificate - ANSWER D
What is a publicly accessible centralized directory of digital certificates that can be used to
view the status of a digital certificate?
a. CA
b. CR
c. CB
2
