Netw4009 Lecture 7 Exam
- 1.
Making sure that the data has not been changed unintentionally, due to an accident or malice, is:
- A.
Integrity
- B.
Confidentiality
- C.
Availability
- D.
Auditability
Correct Answer
A. Integrity -
- 2.
Which of the following is responsible for MOST of the security incidents?
- A.
Equipment failure
- B.
Software failure
- C.
Personnel
- D.
Hackers
Correct Answer
C. Personnel -
- 3.
Network security aims to provide several key services, which are?
- A.
Data integrity, data strategy, data mining
- B.
Data and system availability, data storage, data confidentiality
- C.
Data integrity, data and system availability, data confidentiality
- D.
Data strategy, data integrity, data center.
Correct Answer
C. Data integrity, data and system availability, data confidentiality -
- 4.
Which option is a desirable feature of using symmetric encryption algorithms?
- A.
They are often used for wire-speed encryption in data networks
- B.
They are based on complex mathematical operations and can easily be accelerated by hardware
- C.
They offer simple key management properties
- D.
They are best used for one-time encryption needs.
Correct Answer
A. They are often used for wire-speed encryption in data networks -
- 5.
MD5 is _______ algorithm
- A.
An encryption
- B.
A decryption
- C.
A hash
- D.
A public key
Correct Answer
C. A hash -
- 6.
When an email user accesses his account, he fills the password field. This is required for
- A.
Identification
- B.
Authentication
- C.
Hashing
- D.
None of the above
Correct Answer
B. Authentication -
- 7.
Non-repudiation refers to ______________
- A.
Detect modified messages
- B.
Sender cannot later falsely deny sending a message. Receiver cannot falsely deny receiving it.
- C.
Keep information secret.
- D.
Receiver can verify who sender was.
Correct Answer
B. Sender cannot later falsely deny sending a message. Receiver cannot falsely deny receiving it. -
- 8.
RSA encryption is _____________ ; whereas RSA decryption is ______________
- A.
Slow, fast
- B.
Slow, slow
- C.
Fast, fast
- D.
Fast, slow
Correct Answer
A. Slow, fast -
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Mar 22, 2022Quiz Edited by
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