Networking Essentials
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Networking · Network Security Basics

Encryption Basics

Protect network data by transforming plaintext into ciphertext with a key.

2 min micro-lesson

Lesson focus

Encryption Basics

Describe the key ideas behind “Encryption Basics” and apply them to a familiar technology scenario.

Video resources will be added as each NEST lesson is published.

Learning objective

What you will understand

Describe the key ideas behind “Encryption Basics” and apply them to a familiar technology scenario.

Key ideas

  • Plaintext
  • Ciphertext
  • Encryption key

Try it

Explain encrypted transmission using a sealed-envelope analogy.

Quick recap

Protect network data by transforming plaintext into ciphertext with a key.