What is a disaster recovery plan (DRP)?
D4 ยท Operations ยท CompTIA Security+ SY0-701A DRP (Disaster Recovery Plan) is a documented plan specifically focused on restoring IT systems, data, and infrastructure after a disruptive event โ fire, flood, ransomware, hardware failure, etc.
DRP site types:
๐ด Hot site โ fully operational duplicate; failover in minutes; expensive.
๐ก Warm site โ partially equipped; hours to days to activate; moderate cost.
๐ต Cold site โ empty facility; days to weeks to activate; cheapest.
โ๏ธ Cloud-based โ elastic, pay-as-you-go; increasingly preferred.
DRP site types:
๐ด Hot site โ fully operational duplicate; failover in minutes; expensive.
๐ก Warm site โ partially equipped; hours to days to activate; moderate cost.
๐ต Cold site โ empty facility; days to weeks to activate; cheapest.
โ๏ธ Cloud-based โ elastic, pay-as-you-go; increasingly preferred.
Hot site = fastest recovery, highest cost. Cold site = slowest recovery, lowest cost. DRP testing types: tabletop exercise (discussion), walkthrough, simulation, parallel test, full cutover test. Testing is required to validate the plan.