WGU Introduction to Cryptography HNO1 - Introduction-to-Cryptography Exam Practice Test
(Which default port must be allowed by firewalls for the key exchange of the IPsec handshaking process to be successful?)
Correct Answer: D
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(Which mode of encryption uses an Initialization Vector (IV) to encrypt the first block and then uses the result to encrypt the next block?)
Correct Answer: A
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(A security analyst is using 3DES for data encryption. Which 3DES key size is valid?)
Correct Answer: D
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(What is the length of the Initialization Vector (IV) in WEP?)
Correct Answer: B
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(What does nonrepudiation aim to achieve in the context of cryptography?)
Correct Answer: C
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(A security analyst uses a polyalphabetic substitution cipher with a keyword of YELLOW to encrypt a message. Which cipher should be used to encrypt the message?)
Correct Answer: B
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(Which cryptographic operation uses a single key?)
Correct Answer: C
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(Which is an example of asymmetric encryption?)
Correct Answer: B
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(Which encryption algorithm uses an 80-bit key and operates on 64-bit data blocks?)
Correct Answer: C
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(What is a characteristic of Cipher Block Chaining (CBC) mode in cryptography?)
Correct Answer: C
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