WGU Introduction to Cryptography - D334 EXAM QUESTIONS WITH 100%
CORRECT ANSWERS/A+ GRADE
___ describes the condition where a certificate is moved to an invalid or
untrusted state prior to its original expiration date, that can be reversed
following investigation resolution.
Your Answer: Incorrect
Revoked
Hold
Retrieval
Intermediate - ✔✔Hold
-When a certificate's trust level is on hold, it is possible for it to be reversed at
some time in the future. It could relate to a private key being thought to be
compromised, but following an investigation it is revealed it had not been
breached.
___ describes the condition where a certificate is moved to an invalid or
untrusted state prior to its original expiration date, that cannot be reversed.
Revoked
Hold
Retrival
Intermediate - ✔✔Revoked
-There are also instances where a certificate needs to moved to an
invalid/untrusted state (revoked) prior to the original expiration date. Some
reasons warranting having a cert revoked include but are not limited to:
Issuing CA was compromised
The cert itself was compromised
Certificate affiliation has changed
, Certificate has been updated or superseded
A certificate has been revoked cannot be reversed, and often occurs when a
certificate is defined as having its private key breached.
_____ is a public-key cryptography standard used for password-based
encryption.
PKCS #9
PKCS #12
PKCS #5
PKCS #7 - ✔✔PKCS #5
-PKCS #5 (RFC 2859) is a standard used for password-based encryption.
_____ is a public-key cryptography standard used to sign and/or encrypt
messages for PKI.
PKCS #9
PKCS #12
PKCS #5
PKCS #7 - ✔✔PKCS #7
-PKCS #7 (RFC 2815) is used to sign and/or encrypt messages for PKI.
______ is the standard that defines the format used with public-key digital
certificates.
X.400
X.409
X.509
CORRECT ANSWERS/A+ GRADE
___ describes the condition where a certificate is moved to an invalid or
untrusted state prior to its original expiration date, that can be reversed
following investigation resolution.
Your Answer: Incorrect
Revoked
Hold
Retrieval
Intermediate - ✔✔Hold
-When a certificate's trust level is on hold, it is possible for it to be reversed at
some time in the future. It could relate to a private key being thought to be
compromised, but following an investigation it is revealed it had not been
breached.
___ describes the condition where a certificate is moved to an invalid or
untrusted state prior to its original expiration date, that cannot be reversed.
Revoked
Hold
Retrival
Intermediate - ✔✔Revoked
-There are also instances where a certificate needs to moved to an
invalid/untrusted state (revoked) prior to the original expiration date. Some
reasons warranting having a cert revoked include but are not limited to:
Issuing CA was compromised
The cert itself was compromised
Certificate affiliation has changed
, Certificate has been updated or superseded
A certificate has been revoked cannot be reversed, and often occurs when a
certificate is defined as having its private key breached.
_____ is a public-key cryptography standard used for password-based
encryption.
PKCS #9
PKCS #12
PKCS #5
PKCS #7 - ✔✔PKCS #5
-PKCS #5 (RFC 2859) is a standard used for password-based encryption.
_____ is a public-key cryptography standard used to sign and/or encrypt
messages for PKI.
PKCS #9
PKCS #12
PKCS #5
PKCS #7 - ✔✔PKCS #7
-PKCS #7 (RFC 2815) is used to sign and/or encrypt messages for PKI.
______ is the standard that defines the format used with public-key digital
certificates.
X.400
X.409
X.509