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Exam 8: Encryption

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The most widely used symmetric key algorithm is Advanced Encryption Standard.

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Question 21

Binary numbers are made up of 0s and 1s.

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Question 22

L2TP uses IPsec for its encryption.

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Question 23

A digital signature is used to guarantee who sent a message.This is referred to as non-repudiation.

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Question 24

________ refers to unencrypted text.

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Question 25
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