計画外の中断後に IT インフラストラクチャの運用を復元しようとする場合、次のドキュメントのうちどれが役立ちますか?
正解:B
A disaster recovery (DR) plan is used to bring failed systems online as quickly and efficiently as possible. The DR plan must be updated periodically to reflect changing threats. The DR plan contains step-by-step procedures detailing exactly how systems are to be quickly recovered. All stakeholders must know their roles for the effective recovery of failed systems. The DR plan includes the following: * Table of contents * DR scope * Contact information * Recovery procedures * Document revision history * Glossary