Guide to Disaster Recovery for CompTIA Network+
Why it is important: Disaster Recovery is crucial as it ensures business continuity in the event of network failures, data breaches, or any other technical issues. Without proper disaster recovery plans, organisations risk massive data loss, business operation failures and revenue loss.
What it is: Disaster Recovery (DR) refers to an organisation's procedure to recover its technology infrastructure and systems after a disaster. This encapsulates both natural and human-led disasters such as floods, fires, cyber-attacks, etc.
How it works: When a disaster strikes, the recovery plan kicks in, which could include restoring servers or mainframes with backups, relocating to a different site, or moving operations to another location.
Exam Tips - How to answer questions on Disaster Recovery: Exam questions on disaster recovery will normally focus on understanding of the technique, the steps involved, and why it is vital in maintaining a business's operations.
Tip 1: Understand the different types of disaster recovery such as backups and replication.
Tip 2: Be able to outline what an effective disaster recovery plan should include, such as risk assessment, data recovery plan, and communication strategy.
Tip 3: Expect to be tested on the various components of the DR plan such as risk assessment, data recovery etc.
Tip 4: Clear understanding of RPO (Recovery Point Objective) and RTO (Recovery Time Objective) can gain extra points.