Acronyms

Question 1

PII

Answer 1

Personally Identifiable Information

Question 2

AES

Answer 2

Advanced Encryption Standard

Question 3

MD5

Answer 3

Message Digest 5

hashing algorithm

Question 4

SHA

Answer 4

Secure Hash Algorithm

Question 5

HMAC

Answer 5

Hash-based Message Authentication Code

Question 6

MAC

can have 3 different meanings in Security+

Answer 6

1. Media Access Control (physical address assigned to NICs)
2. Mandatory Access Control (an access control model)
3. Message Authentication Code (provides integrity like a hash would do)

Question 7

PKI

Answer 7

Public Key Infrastructure

Provides the means to create, manage and distribute certificates.

Question 8

SPOF

Answer 8

Single Point of Failure

Ex: a single drive in a server. If that drive goes down, the whole system fails.