WGU Introduction to Cryptography HNO1 - Introduction-to-Cryptography Exam Questions
QUESTION NO: 1
(Which of the following best describes lightweight cryptography?)
(Which of the following best describes lightweight cryptography?)
Correct Answer: B
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QUESTION NO: 2
(What is the maximum key size (in bits) supported by AES?)
(What is the maximum key size (in bits) supported by AES?)
Correct Answer: B
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QUESTION NO: 3
(Two people want to communicate through secure email. The person creating the email wants to ensure only their friend can decrypt the email. Which key should the person creating the email use to encrypt the message?)
(Two people want to communicate through secure email. The person creating the email wants to ensure only their friend can decrypt the email. Which key should the person creating the email use to encrypt the message?)
Correct Answer: C
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QUESTION NO: 4
(Which encryption algorithm uses an 80-bit key and operates on 64-bit data blocks?)
(Which encryption algorithm uses an 80-bit key and operates on 64-bit data blocks?)
Correct Answer: C
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QUESTION NO: 5
(A company wants to use certificates issued by a root CA to demonstrate to customers that it is a legitimate company being hosted by a cloud provider. Who needs to trust the root CA public key?)
(A company wants to use certificates issued by a root CA to demonstrate to customers that it is a legitimate company being hosted by a cloud provider. Who needs to trust the root CA public key?)
Correct Answer: D
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QUESTION NO: 6
(What is a characteristic of Cipher Block Chaining (CBC) mode in cryptography?)
(What is a characteristic of Cipher Block Chaining (CBC) mode in cryptography?)
Correct Answer: C
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QUESTION NO: 7
(Which attack maps hashed values to their original input data?)
(Which attack maps hashed values to their original input data?)
Correct Answer: A
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QUESTION NO: 8
(Employee A needs to send Employee B a symmetric key for confidential communication. Which key is used to encrypt the symmetric key?)
(Employee A needs to send Employee B a symmetric key for confidential communication. Which key is used to encrypt the symmetric key?)
Correct Answer: B
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QUESTION NO: 9
(Which authentication method allows a web service installed on a network operating system to prove its identity to a customer?)
(Which authentication method allows a web service installed on a network operating system to prove its identity to a customer?)
Correct Answer: B
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QUESTION NO: 10
(Which operation can be performed on a certificate during the "Issued" stage?)
(Which operation can be performed on a certificate during the "Issued" stage?)
Correct Answer: D
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