Encryption, Encryption protocols and Digital certifications

Encryption, Encryption protocols and Digital certifications

12th Grade

16 Qs

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Encryption, Encryption protocols and Digital certifications

Encryption, Encryption protocols and Digital certifications

Assessment

Quiz

Computers

12th Grade

Practice Problem

Hard

Created by

Jerry Yang

Used 5+ times

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16 questions

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1.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

The encrypted version of the plain text:

Plaintext

Ciphertext

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

The another name of public/private key, used in asymmetric encryption is:

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Difference between symmetric and asymmeteric encryption:

(choose more than one answer)

Number of keys used

Length of keys

Symmetric encryption is more expensive

Asymmetric encryption has higher risk of compromise

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Public key made available to everyone?

TRUE

FALSE

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Anna has to send an email to Bob containing confidential information. Bob and Anna have never sent emails to each other before.

The first step is for Anna to request that Bob sends her one of his keys.

State the key that Bob sends.

PUBLIC KEY

PRIVATE KEY

6.

FILL IN THE BLANK QUESTION

20 sec • 1 pt

Message digest is created by using ( ) algorithm.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Any changes to the data will change the digest?

TRUE

FALSE

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