Which common backup method is the fastest on a daily basis?

A.
Full backup method

B.
Incremental backup method

C.
Fast backup method

D.
Differential backup method

Explanation:
An incremental backup is fast because it copies only the files that have been modified since the previous
backup.
Incorrect Answers:
A: A full backup is not fast as it copies all the data from the system to the backup medium.
C: There is no backup method called the fast backup method.
D: A differential backup is slower than an incremental backup since it copies more data. A differential backup
copies only the difference in the data since the last full backup.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, p. 1410