Home » CISSP mcq questions with answer – Set 7

CISSP mcq questions with answer – Set 7

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…

Results

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#1. In the RSA public key cryptosystem, which one of the following numbers will always be largest?

#2. Which cryptographic algorithm forms the basis of the El Gamal cryptosystem?

#3. If Richard wants to send an encrypted message to Sue using a public key cryptosystem, which key does he use to encrypt the message?

#4. If a 2,048-bit plaintext message were encrypted with the El Gamal public key cryptosystem, how long would the resulting ciphertext message be?

#5. Acme Widgets currently uses a 1,024-bit RSA encryption standard companywide. The company plans to convert from RSA to an elliptic curve cryptosystem. If it wants to maintain the same cryptographic strength, what ECC key length should it use?

#6. John wants to produce a message digest of a 2,048-byte message he plans to send to Mary. If he uses the SHA-1 hashing algorithm, what size will the message digest for this particular message be?

#7. Which one of the following technologies is considered flawed and should no longer be used?

#8. What encryption technique does WPA use to protect wireless communications?

#9. Richard received an encrypted message sent to him from Sue. Which key should he use to decrypt the message?

#10. Richard wants to digitally sign a message he’s sending to Sue so that Sue can be sure the message came from him without modification while in transit. Which key should he use to encrypt the message digest?

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