Login

Accessing this course requires a login. Please enter your credentials below!

Username or Email Address

Password

Remember Me

Lost Your Password?

Comptia Security+ Cryptography 2

Comptia Security+ Cryptography 2

Time limit: 0

Quiz Summary

0 of 15 Questions completed

Questions:

Information

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading…

You must sign in or sign up to start the quiz.

You must first complete the following:

Results

Quiz complete. Results are being recorded.

Results

0 of 15 Questions answered correctly

Your time:

Time has elapsed

You have reached 0 of 0 point(s), (0)

Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)

Average score
Your score

Categories

Security+ 0%

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Current
Review / Skip
Answered
Correct
Incorrect

Question 1 of 15

1. Question
0 point(s)
Until when will 2,048-bit RSA keys be sufficient?
- 1. Forever
- 2. 2030
- 3. 2025
- 4. 2040
Correct

Incorrect
Question 2 of 15

2. Question
0 point(s)
Which of the following was not a final contender in NIST’s assessment of Data Encryption Standard, or DES, replacements?
- 1. MARS
- 2. RC6
- 3. Rijndael
- 4. Blowfish
Correct

Incorrect
Question 3 of 15

3. Question
0 point(s)
What is a trial-and-error method used to decode encrypted data through exhaustive effort rather than employing intellectual strategies?
- 1. Brute-force cracking
- 2. Serendipity
- 3. Cryptanalysis
- 4. Chaffing and winnowing
Correct

Incorrect
Question 4 of 15

4. Question
0 point(s)
Which of the following was commonly used in cryptography during World War II?
- 1. Personalization
- 2. One-time pad
- 3. Van Eck phreaking
- 4. Tunneling
Correct

Incorrect
Question 5 of 15

5. Question
0 point(s)
Which encryption algorithm supplanted DES?
- 1. Blowfish
- 2. Rijndael
- 3. Kerberos
- 4. IPsec
Correct

Incorrect
Question 6 of 15

6. Question
0 point(s)
What is the Diffie-Hellman key exchange vulnerable to?
- 1. Man-in-the-middle attacks
- 2. Snooping
- 3. Phishing attacks
- 4. ROBOT attacks
Correct

Incorrect
Question 7 of 15

7. Question
0 point(s)
Which mode of operation for a block cipher has the characteristic that each possible block of plaintext has a defined corresponding ciphertext value and vice versa?
- 1. Watermark
- 2. Hash function
- 3. Electronic code book
- 4. Footprinting
Correct

Incorrect
Question 8 of 15

8. Question
0 point(s)
What is the name of the encryption/decryption key known only to the party or parties that exchange secret messages?
- 1. Digital certificate
- 2. E-signature
- 3. Private key
- 4. Security token
Correct

Incorrect
Question 9 of 15

9. Question
0 point(s)
In password protection, what is the name of a random string of data used to modify a password hash called?
- 1. Dongle
- 2. Salt
- 3. Sheep dip
- 4. Bypass
Correct

Incorrect
Question 10 of 15

10. Question
0 point(s)
True or false: Rivest-Shamir-Adleman, or RSA, is an algorithm used for symmetric key cryptography.
- 1. False
- 2. True
Correct

Incorrect
Question 11 of 15

11. Question
0 point(s)
What is a widely used privacy-ensuring program by individuals and corporations?
- 1. Digital Signature Standard
- 2. Online Certificate Status Protocol
- 3. Secure HTTP
- 4. Pretty Good Privacy
Correct

Incorrect
Question 12 of 15

12. Question
0 point(s)
Which cryptography approach is most often used by today’s internet businesses and users?
- 1. Encrypting File System
- 2. Public key infrastructure
- 3. Output feedback
- 4. Single sign-on
Correct

Incorrect
Question 13 of 15

13. Question
0 point(s)
How long would a 10-bit message be after being encrypted by a stream cipher?
- 1. 20 bits
- 2. 2 bits
- 3. 5 bits
- 4. 10 bits
Correct

Incorrect
Question 14 of 15

14. Question
0 point(s)
What is the name of the issuer of public key infrastructure certificates?
- 1. Man in the middle
- 2. Script kiddie
- 3. Certificate authority
- 4. Resource Access Control Facility
Correct

Incorrect
Question 15 of 15

15. Question
0 point(s)
What is the inclusion of a secret message in otherwise unencrypted text or images called?
- 1. Steganography
- 2. Masquerade
- 3. Spoof
- 4. Eye-in-hand system
Correct

Incorrect