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- In "Lesson 4: Explain the Importance

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of Using Appropriate
Cryptographic Solutions,"

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which maps to CompTIA Exam Objective 1.4,

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we'll study cryptographic
controls, including encryption,

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hashing, digital signatures,
digital certificates,

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and emerging approaches
with a focus on use cases.

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Now, this is a topic that many candidates

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find very challenging, so take your time,

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and I promise it will
come together for you.

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Now, at the end of Lesson 4,

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together we'll work through
a 10 question deep dive quiz.

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Now, this lesson completes

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"Module 1: General Security Concepts,"

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but before you move on to Module 2,

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be sure to explore the three
Module 1 Closer Look Labs:

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honeypots, hashing and HMACs,
and digital certificates.

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All right, let's keep going.