Encryption and Public Keys

Encryption and Public Keys

11th Grade

9 Qs

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Encryption and Public Keys

Encryption and Public Keys

Assessment

Quiz

Computers

11th Grade

Practice Problem

Medium

Created by

Phil Branson

Used 6+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of encryption?

To increase data storage

To speed up internet connections

To change the color of the text

To keep data secret by scrambling the message

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was one of the first well-known methods of encryption?

Morse code

Caesar's cipher

Quantum encryption

Binary code

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main problem with Caesar's cipher?

It's too complex

It only works in Latin

It's easily cracked by trying every possible key

It requires a computer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many possible key solutions could there be with 10 digit encryption?

10 billion

10 thousand

10 million

10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the length of keys used in today's secure communications?

256 bit

64 bit

128 bit

512 bit

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of encryption do computers use to exchange data securely over the internet?

Morse code

Caesar's cipher

Asymmetric keys

Symmetric encryption

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'https' in a browser's address bar signify?

That the website is using public key encryption

That the website is unsecured

That the website is under maintenance

That the website is for HTTP services only

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