Documentation, Change, Backup and Recovery
Operational procedure items test ticketing, knowledge bases, asset management, change management, backup types, recovery methods, and disaster readiness.
How to study for CompTIA A+
Treat each A+ item as a support decision: identify the device, symptom, layer, safest next step, user impact, and documentation requirement.
Core concepts
Concept 1
Documentation records user, device, issue, actions, outcome, and lessons so support remains accountable and repeatable.
Exam cue: Document before, during, and after support actions.
Concept 2
Change management reduces risk through purpose, scope, approval, impact analysis, timing, rollback, and communication.
Exam cue: Use change approval and rollback for risky work.
Concept 3
Backups must be selected, protected, tested, and restored according to recovery needs.
Exam cue: Test recovery, not just backup completion.
Risk pitfalls and guardrails
Closing tickets without resolution details.
Guardrail: Avoid answers that skip verification, expose user data, ignore recent changes, replace parts too early, or bypass policy for convenience.
Performing high-impact changes outside a maintenance window without approval.
Guardrail: Avoid answers that skip verification, expose user data, ignore recent changes, replace parts too early, or bypass policy for convenience.
Assuming a backup is useful before restore testing.
Guardrail: Avoid answers that skip verification, expose user data, ignore recent changes, replace parts too early, or bypass policy for convenience.
Memory anchors
Ticket
A ticket records support details, severity, actions, communication, and resolution.
Knowledge Base
A knowledge base stores reusable troubleshooting and procedure information.
Asset Management
Asset management tracks devices, owners, locations, configurations, and lifecycle status.
Change Request
A change request documents purpose, scope, impact, risk, timing, and approval.
Rollback Plan
A rollback plan describes how to restore the prior state if a change fails.
Full Backup
A full backup copies all selected data.
Incremental Backup
An incremental backup copies changes since the last backup of any type.
Differential Backup
A differential backup copies changes since the last full backup.
3-2-1 Rule
The 3-2-1 rule keeps three copies, on two media types, with one copy offsite.
Recovery Test
A recovery test verifies that backup data, process, permissions, and timing meet needs.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
A help desk must record the user's symptoms, impact, actions taken, communications, and final resolution. Which record should be created?
Each nightly backup copies all changes made since the most recent full backup. Which backup type is this?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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