Security

Security

University

15 Qs

quiz-placeholder

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Security

Security

Assessment

Quiz

Computers

University

Hard

Created by

Long Pham

Used 2+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Three security goals are

confidentiality, cryptography, and nonrepudiation

confidentiality, encryption, and decryption

confidentiality, integrity, and availability

confidentiality, denial of service, and masquerading

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following attacks is threatening integrity?

Masquerading

Traffic Analysis

Denial of service

Encoding

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following attacks is threatening availability?

Replaying

Denial of service

Decoding

Modification

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

__________ means concealing the contents of a message by enciphering.

Steganography

Compressing

Authentication

Cryptography

5.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

In a______character (or a symbol) in the plaintext is always changed to the same character (or symbol) in the ciphertext regardless of its position in the text (choose two)

Monoalphabetic cipher

Substitution cipher

Polyalphabetic cipher

Transposition cipher

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

______________means concealing the message by covering it with something else.

Cryptography

Steganography

Compressing

Authentication

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What alternative term can be used to describe asymmetric cryptographic algorithms?

public key cryptography

user key cryptography

private key cryptography

cipher-text cryptography

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