A company has just deployed a centralized event log storage system. Which of the following can
be used to ensure the integrity of the logs after they are collected?

A.
Write-once drives

B.
Database encryption

C.
Continuous monitoring

D.
Role-based access controls

Explanation:
A write-once drive means that the disk cannot be overwritten once data is written to the disk; and
thus the integrity of the logs, if they are written to a write-once drives will ensure integrity of those
logs.