SK0-003 · Question #678
Which of the following is the MOST important consideration when looking at distance requirements when planning a hot site?
The correct answer is B. Avoiding a regional disaster that affects both the main site and the hot site. The most important consideration for a hot site's distance is to ensure it is geographically separated enough to avoid a single regional disaster affecting both locations.
Question
Which of the following is the MOST important consideration when looking at distance requirements when planning a hot site?
Options
- AAvoiding more expensive bandwidth costs for data lines between regions
- BAvoiding a regional disaster that affects both the main site and the hot site
- CAvoiding a second location that has high latency between sites
- DAvoiding a location that is too expensive
How the community answered
(28 responses)- A32% (9)
- B46% (13)
- C14% (4)
- D7% (2)
Why each option
The most important consideration for a hot site's distance is to ensure it is geographically separated enough to avoid a single regional disaster affecting both locations.
While bandwidth costs are a practical consideration, they are secondary to ensuring the hot site can actually fulfill its disaster recovery purpose.
A hot site's purpose is to provide business continuity in the event of a disaster affecting the main site. If the hot site is too close, a single regional disaster (e.g., earthquake, flood, power grid failure) could affect both locations, rendering the recovery plan ineffective.
High latency can impact replication and performance but is less critical than the site's ability to survive a regional disaster.
Cost is always a factor, but the *most important* consideration for distance relates to the core function of disaster recovery, not primarily budget.
Concept tested: Hot site disaster recovery planning
Source: https://learn.microsoft.com/en-us/azure/architecture/resiliency/recovery-at-scale-resiliency-disaster-recovery
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