Home Uncategorised Network Security Specialist – Fundamentals of Encryption Quiz Answers

Network Security Specialist – Fundamentals of Encryption Quiz Answers

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Question: Which encryption algorithm uses a variable length symmetric key?

  • RSA
  • Blowfish
  • DES
  • PGP

Question: Which of the following is a symmetric key system using blocks?

  • RSA
  • DES
  • PGP
  • Diffie-Hellman

Question: What is the purpose of a certificate?

  • To verify that software is virus free
  • To guarantee that a signature is valid
  • To validate the sender of a digital signature or software
  • To validate the recipient of a software.

Question: Secure Multipurpose Internet Mail Extensions (S/MIME) use X.509 certificates to secure e-mail communication

  • True
  • False

Question: Which of the following is an encryption method developed by three mathematicians?

  • PGP
  • DES
  • DSA
  • RSA

Question: Blowfish is an asymmetric stream cipher

  • True
  • False

Question: Which hashing algorithm do modern Windows systems use?

  • SHA1
  • SHA2
  • LM
  • NTLM

Question: Which of the following encryption algorithms is a block cipher and uses the Rijndael algorithm?

  • DES
  • RSA
  • AES
  • NSA

Question: What is a digital signature?

  • A piece of encrypted data added to other data to verify the sender
  • A scanned version of your signature, often in .jpg format
  • A signature that is entered via a digital pad or other device
  • A method for verifying the recipient of a document

Question: Which of the following uses key sizes equal to 128, 192 and 256 bits?

  • DES
  • RSA
  • 3DES
  • AES

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