Encryption and Data Security Quiz
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Questions and Answers

The internet is a closed and private system.

False

Encryption is the process of unscrambling a message.

False

True or false: Symmetric encryption requires two people to agree on a secret key ahead of time?

True

True or false: Public key cryptography is the foundation of all secure messaging on the internet?

<p>True</p> Signup and view all the answers

How many possible key solutions are there when using a 10-digit encryption?

<p>10 million</p> Signup and view all the answers

How long would it take an average computer today to try all 10 billion possibilities of a 10-digit encryption?

<p>Many centuries</p> Signup and view all the answers

What does it mean for a message to be 'too hard' to crack?

<p>There are too many possibilities to compute in a reasonable amount of time</p> Signup and view all the answers

Using ______ digit encryption, there could be 10 billion possible key solutions.

<p>10</p> Signup and view all the answers

Today's secure communications are encrypted using ______ bit keys.

<p>256</p> Signup and view all the answers

Public key cryptography is the foundation of all secure messaging on the open ______.

<p>internet</p> Signup and view all the answers

Study Notes

Encryption Basics

  • The internet is not a closed and private system.
  • Encryption is the process of scrambling a message, not unscrambling it.

Symmetric Encryption

  • Symmetric encryption requires two people to agree on a secret key ahead of time: True

Public Key Cryptography

  • Public key cryptography is the foundation of all secure messaging on the open internet: True

Encryption Keys

  • Using 10-digit encryption, there could be 10 billion possible key solutions.
  • Today's secure communications are encrypted using 256-bit keys.

Cracking Encryption

  • A message is considered 'too hard' to crack when it is computationally infeasible to break the encryption.
  • It would take an average computer today an extremely long time to try all 10 billion possibilities of a 10-digit encryption, making it impractical to crack.

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Description

Test your knowledge on encryption and data security in this quiz! Learn about the methods used to keep sensitive information private and understand the importance of encryption in protecting data online.

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