Netw4009 Lecture 7 Exam
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Non-repudiation refers to ______________
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Detect modified messages
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Sender cannot later falsely deny sending a message. Receiver cannot falsely deny receiving it.
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Keep information secret.
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Receiver can verify who sender was.
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- 2.
Making sure that the data has not been changed unintentionally, due to an accident or malice, is:
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Integrity
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Confidentiality
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Availability
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Auditability
Correct Answer
A. Integrity -
- 3.
Network security aims to provide several key services, which are?
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Data integrity, data strategy, data mining
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Data and system availability, data storage, data confidentiality
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Data integrity, data and system availability, data confidentiality
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Data strategy, data integrity, data center.
Correct Answer
A. Data integrity, data and system availability, data confidentiality -
- 4.
When an email user accesses his account, he fills the password field. This is required for
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Identification
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Authentication
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Hashing
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None of the above
Correct Answer
A. Authentication -
- 5.
MD5 is _______ algorithm
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An encryption
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A decryption
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A hash
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A public key
Correct Answer
A. A hash -
- 6.
Which of the following is responsible for MOST of the security incidents?
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Equipment failure
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Software failure
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Personnel
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Hackers
Correct Answer
A. Personnel -
- 7.
Which option is a desirable feature of using symmetric encryption algorithms?
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They are often used for wire-speed encryption in data networks
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They are based on complex mathematical operations and can easily be accelerated by hardware
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They offer simple key management properties
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They are best used for one-time encryption needs.
Correct Answer
A. They are often used for wire-speed encryption in data networks -
- 8.
RSA encryption is _____________ ; whereas RSA decryption is ______________
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Slow, fast
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Slow, slow
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Fast, fast
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Fast, slow
Correct Answer
A. Slow, fast -
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Mar 22, 2022Quiz Edited by
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