Exam Questions and CORRECT Answers
You have been asked by a member of senior management to explain the importance of
encryption and define what symmetric encryption offers. Which of the following offers the best
explanation?
A. Non-repudiation
B. Confidentiality
C. Hashing
D. Privacy and authentication - CORRECT ANSWER -B
As the security administrator for your organization, you must be aware of all types of hashing
algorithms. Which algorithm was developed by Ron Rivest and offers a 128-bit output?
A. AES
B. DES
C. MD5
D. RC4 - CORRECT ANSWER -D
A coworker is concerned about the veracity of a claim because the sender of an email denies
sending it. The coworker wants a way to prove the authenticity of an email. Which would you
recommend?
A. Hashing
B. Digital signature
C. Symmetric encryption
D. Asymmetric encryption - CORRECT ANSWER -B
, A junior administrator at a sister company called to report a possible exposed private key that is
used for PKI transactions. The administrator would like to know the easiest way to check
whether the lost key has been flagged by the system. What are you going to tell the
administrator?
A. Hashing
B. Issuance to entities
C. Online Certificate Status Protocol
D. Wildcard verification - CORRECT ANSWER -C
You've discovered that an expired certificate is being used repeatedly to gain logon privileges.
To what list should the certificate have been added?
A. Wildcard verification
B. Expired key revocation list
C. Online Certificate Status Protocol
D. Certificate revocation list (CRL) - CORRECT ANSWER -D
A junior administrator comes to you in a panic after seeing the cost for certificates. She would
like to know if there is a way to get one certificate to cover all domains and subdomains for the
organization. What solution can you offer?
A. Wildcards
B. Blanket certificates
C. Distributed certificates
D. No solution exists - CORRECT ANSWER -A
Which of the following is not an advantage of symmetric encryption?
A. It's powerful.