Home » CISSP mcq questions with answer – Set 6

CISSP mcq questions with answer – Set 6

Important Instructions:

  • Total Number Of Questions : 10
  • Passing Marks : 7
  • Each Question Carry 1 Mark, No Negative Marking.
  • Do Not Refresh The Page.
  • This Is A FREE Online Test, DO NOT Pay Money To Anyone To Attend This Test.
  • Best Of Luck…



#1. How many possible keys exist in a 4-bit key space?

#2. John recently received an email message from Bill. What cryptographic goal would need to be met to convince John that Bill was actually the sender of the message?

#3. What is the length of the cryptographic key used in the Data Encryption Standard (DES) cryptosystem?

#4. What type of cipher relies on changing the location of characters within a message to achieve confidentiality?

#5. Which one of the following is not a possible key length for the Advanced Encryption Standard Rijndael cipher?

#6. Which one of the following cannot be achieved by a secret key cryptosystem?

#7. When correctly implemented, what is the only cryptosystem known to be unbreakable?

#8. What is the output value of the mathematical function 16 mod 3?

#9. In the 1940s, a team of cryptanalysts from the United States successfully broke a Soviet code based on a one-time pad in a project known as VENONA. What rule did the Soviets break that caused this failure?

#10. Which one of the following cipher types operates on large pieces of a message rather than individual characters or bits of a message?

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