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10 CHAPTER Cryptography 101 1-10

Bryan Jensen 10 questions

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Questions in this quiz (10)

  1. 1Which of the following attacks acts as a man-in-the-middle, exploiting fallback mechanisms in TLS clients?
    1. APOODLE
    2. BHeartbleed
    3. CFREAK
    4. DDROWN
  2. 2RC4 is a simple, fast encryption cipher. Which of the following is not true regarding RC4?
    1. ARC4 can be used for web encryption.
    2. BRC4 uses block encryption.
    3. CRC4 is a symmetric encryption cipher.
    4. DRC4 can be used for file encryption.
  3. 3An organization has decided upon AES with a 256-bit key to secure data exchange. What is the primary consideration for this?
    1. AAES is slow.
    2. BThe key size makes data exchange bulky and complex.
    3. CIt uses a shared key for encryption.
    4. DAES is a weak cipher.
  4. 4Joe and Bob are both ethical hackers and have gained access to a folder. Joe has several encrypted files from the folder, and Bob has found one of them unencrypted. Which of the following is the best attack vector for them to follow?
    1. ACipher text only
    2. BKnown plain text
    3. CChosen cipher text
    4. DReplay
  5. 5You are reviewing security plans and policies, and you wish to provide protection to organization laptops. Which effort listed protects system folders, files, and MBR until valid credentials are provided at pre-boot?
    1. ACloud computing
    2. BSSL/TLS
    3. CFull disk encryption
    4. DAES
  6. 6Which of the following is used to distribute a public key within the PKI system, verifying the user’s identity to the recipient?
    1. ADigital signature
    2. BHash value
    3. CPrivate key
    4. DDigital certificate
  7. 7A hacker feeds plain-text files into a hash, eventually finding two or more that create the same fixed-value hash result. This anomaly is known as what?
    1. ACollision
    2. BChosen plain text
    3. CHash value compromise
    4. DKnown plain text
  8. 8An attacker uses a Metasploit auxiliary exploit to send a series of small messages to a server at regular intervals. The server responds with 64 bytes of data from its memory. Which of the following best describes the attack being used?
    1. APOODLE
    2. BHeartbleed
    3. CFREAK
    4. DDROWN
  9. 9Which of the following statements is true regarding encryption algorithms?
    1. ASymmetric algorithms are slower, are good for bulk encryption, and have no scalability problems.
    2. BSymmetric algorithms are faster, are good for bulk encryption, and have no scalability problems.
    3. CSymmetric algorithms are faster, are good for bulk encryption, but have scalability problems.
    4. DSymmetric algorithms are faster but have scalability problems and are not suited for bulk encryption.
  10. 10Within a PKI system, Joe encrypts a message for Bob and sends it. Bob receives the message and decrypts the message using what?
    1. AJoe’s public key
    2. BJoe’s private key
    3. CBob’s public key
    4. DBob’s private key

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Description
All In One CEH Certified Ethical Hacker Exam Guide BOOK Quiz on 10 CHAPTER Cryptography 101 1-10, created by Bryan Jensen on 03/08/2018.
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