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

A) True
B) False

Correct Answer

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________ refers to unencrypted text.


A) Key
B) Plain text
C) Algorithm
D) Cipher text

E) B) and C)
F) A) and B)

Correct Answer

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

A) True
B) False

Correct Answer

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

A) True
B) False

Correct Answer

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L2TP uses IPsec for its encryption.

A) True
B) False

Correct Answer

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