CEH

76 Chapter 3 ■ Cryptography

Review Questions

1. Symmetric cryptography is also known as.
   A. Shared key cryptography
   B. Public key cryptography
   C. Hashing
   D. Steganography


2. Which of the following manages digital certificates?
   A. Hub
   B. Key
   C. Public key
   D. Certification authority


3. Asymmetric encryption is also referred to as which of the following?
   A. Shared key
   B. Public key
   C. Hashing
   D. Block


4. Which of the following best describes hashing?
   A. An algorithm
   B. A cipher
   C. Nonreversible
   D. A cryptosystem


5. A message digest is a product of which kind of algorithm?
   A. Symmetric
   B. Asymmetric
   C. Hashing
   D. Steganography


6. A public and private key system differs from symmetric because it uses which of the follow-
   ing?
   A. One key
   B. One algorithm
   C. Two ke y s
   D. Two algorithms