CompTIA Security+ Weak Spots

Question 1

FAR?

Answer 1

False Acceptance Rate

• Biometric Security uses False Acceptance Rate for the proportion of times a system grants access to an unauthorized person.

Question 2

FRR?

Answer 2

False Rejection Rate

• Biometric Security uses False Rejection Rate for the proportion of times a system Failes to grant access to an Authorized person.

Question 3

MTTR?

Answer 3

Mean time to Repair

• Time to troubleshoot and diagnose the problem.
• Repair Time
• Testing Period
• Time to assemble and start up the asset.

Repair VS Replace
More Training
Better Processes

Question 4

MTBF?

Answer 4

Mean time Between Failures

• Measures the time it takes from one failure to the next failure.
• Cost of breakdowns
• Frequency of failures.

Question 5

MTTF?

Answer 5

Mean time to Failure

• measure of reliability used for non-repairable systems.
• Represents the length of time an item is expected to last in operation until it needs to be replaced.
• Inventory Lead Time
• Quality Control
• Misuse of Equipment

Question 6

Asymmetric or Symmetric algorithm - Twofish?

Answer 6

Symmetric

Question 7

Asymmetric or Symmetric algorithm - ECC?

Answer 7

Asymmetric

Elliptic Curve Cryptography)

Question 8

Asymmetric or Symmetric algorithm - DSA?

Answer 8

Asymmetric

Digital Signature Algorithm

Question 9

Asymmetric or Symmetric algorithm - AES?

Answer 9

Symmetric

Advanced Encryption Standard

Question 10

Asymmetric or Symmetric algorithm - RC4?

Answer 10

Symmetric

RC4 + RC5 + RC6
Rivest Cipher

Question 11

Asymmetric or Symmetric algorithm - Diffie Hellman?

Answer 11

Asymmetric

Question 12

Asymmetric or Symmetric algorithm - IDEA?

Answer 12

Symmetric

International Data Encryption Algorithm

Question 13

Asymmetric or Symmetric algorithm - 3DES?

Answer 13

Symmetric

DES + 3DES
Data Encryption Standard + Triple Data Encryption Standard

Question 14

Asymmetric or Symmetric algorithm - RSA?

Answer 14

Asymmetric

Rivest, Shamir, and Adleman

Question 15

Asymmetric or Symmetric algorithm - Blowfish?

Answer 15

Symmetric