3) Cryptography and Encryption Solutions

3) Cryptography and Encryption Solutions

Professional Development

26 Qs

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3) Cryptography and Encryption Solutions

3) Cryptography and Encryption Solutions

Assessment

Quiz

Computers

Professional Development

Practice Problem

Medium

Created by

Hazem Saleh

Used 2+ times

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26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mike is sending David an encrypted message using a symmetric encryption algorithm. What key should he use to encrypt the message?

Mike's public key

Mike's private key

David's public key

Shared secret key

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Shahla recently discovered an attack where the attacker managed to force a network user to use weak encryption and was then able to decrypt that content. What term best describes this attack?

Downgrade

Collision

Homomorphic encryption

Birthday attack

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Norm is using full-disk encryption technology to protect the contents of laptops against theft. What goal of cryptography is he attempting to achieve?

Integrity

Non-repudiation

Authentication

Confidentiality

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Brian discovers that a user suspected of stealing sensitive information is posting many image files to a message board. What technique might the individual be using to hide sensitive information in those images?

Steganography

Homomorphic encryption

Replay attack

Birthday attack

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following statements about cryptographic keys is incorrect?

All cryptographic keys should be kept secret.

Longer keys are better than shorter keys when the same algorithm is used.

Asymmetric algorithms generally use longer keys than symmetric algorithms.

Digital certificates are designed to share public keys.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of cipher operates on one character of text at a time?

Block cipher

Bit cipher

Stream cipher

Balanced cipher

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vince is choosing a symmetric encryption algorithm for use in his organization. He would like to choose the strongest algorithm from these choices. What algorithm should he choose?

A. DES

B. 3DES

C. RSA

D. AES

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