Core 2: Operational Procedures

What is the primary purpose of a change management process?

• A Speed up all changes
• B Assess, approve, and document changes to reduce risk ✓
• C Eliminate documentation
• D Avoid backups

Answer: Change management ensures changes are assessed, approved, communicated, and documented to minimize disruption.

Which document records the steps to revert a change if it fails?

• A Risk analysis
• B Rollback (back-out) plan ✓
• C Scope statement
• D SLA

Answer: A rollback or back-out plan describes how to reverse a change that does not succeed.

Which backup type copies only data changed since the last full backup and does not clear the archive bit?

• A Full
• B Incremental
• C Differential ✓
• D Synthetic

Answer: A differential backup copies all changes since the last full backup and does not reset the archive bit.

Which backup type copies data changed since the last backup of any type and clears the archive bit?

• A Full
• B Incremental ✓
• C Differential
• D Mirror

Answer: An incremental backup copies changes since the last backup and resets the archive bit, making restores require the full plus all increments.

What does the 3-2-1 backup rule recommend?

• A 3 backups, 2 sites, 1 admin
• B 3 copies of data, on 2 different media, with 1 copy offsite ✓
• C 3 drives, 2 servers, 1 cloud only
• D 3 admins, 2 passwords, 1 key

Answer: The 3-2-1 rule: keep three copies of data, on two different media types, with one copy stored offsite.

Which safety device protects equipment from power spikes and provides battery backup during outages?

• A Surge protector
• B UPS (uninterruptible power supply) ✓
• C Power strip
• D Inverter

Answer: A UPS provides battery backup and surge protection so systems can shut down safely during outages.