Encryption & Digital Signatures

Encryption & Digital Signatures

9th - 12th Grade

5 Qs

quiz-placeholder

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Encryption & Digital Signatures

Encryption & Digital Signatures

Assessment

Quiz

Computers

9th - 12th Grade

Practice Problem

Medium

Created by

Peter Astbury

Used 9+ times

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5 questions

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1.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

In order to encrypt a message the sender will need both an encryption ............ and a secret key.

2.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Once plain text has been encrypted it is known as ........... text.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When text is scrambled by replacing one character with another this is known as:

asynchronous encryption

substitution cipher

polygram cipher

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

How many possible keys exist with an 8-bit key?

8

64

128

256

5.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

To use cryptographic methods as a way of confirming identity we can use a digital ................

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