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Chapter 20: Database Systems Exam Tests

Database Systems MCQs - Chapter 20

Relational Database Design Multiple Choice Questions (MCQ) PDF - 4

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Relational Database Design Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: In the Rijndael algorithm, the encryption key is of the length

A) 128 bits
B) 192 bits
C) 256 bits
D) All of the Above

MCQ 17: In accessing a website, a user must submit a digital certificate including the

A) Private key
B) Public key
C) Modulation key
D) Encryption key

MCQ 18: The process of transforming data into an unreadable form is known as

A) Encryption
B) Modulation
C) Theft
D) Forgery

MCQ 19: An alternative scheme used to avoid the problems of symmetric-key encryption is called

A) Hybrid-key encryption
B) Modulation-key encryption
C) Public-key encryption
D) Private-key encryption

MCQ 20: To authenticate the user, public key of the user can be used in a

A) Challenge-response system
B) Challenge-domain system
C) Domain-response system
D) Challenge-record system

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