In the case of an incident, a primary site may not be available for business operations. To address such similar scenarios, an organization should have an arrangement for the resumption of services from an alternate site so as to ensure the continuity of business operations. Many business organizations cannot afford the discontinuity of business processes even for a single day and so they need to invest heavily in an alternate recovery site. These arrangements can vary according to the needs of the business organization.
From the perspective of the CISA exam, candidates should have an understanding of the following alternate recovery sites:
Let's look at each of the preceding alternate sites in detail.
Mirrored site
A mirrored site is regarded as an exact replica of the primary site. When arranging a mirrored site, the following components are already factored in:
- The availability of space and basic infrastructure
- The availability of all business applications...
