SOA-C02 · Question #738
SOA-C02 Question #738: Real Exam Question with Answer & Explanation
The correct answer is C: Create a scheduled scaling action to scale out the number of EC2 instances shortly before the. A scheduled scaling action pre-provisions instances just before the predictable 2-hour spike and scales back afterward, maintaining performance while minimizing ongoing effort and cost.
Question
A company runs an application on a fleet of Amazon EC2 instances behind an Elastic Load Balancing (ELB) load balancer. The instances run in an Auto Scaling group. The application's performance remains consistent throughout most of each day. However, an increase in user traffic slows the performance during the same 2-hour period each day. ASysOps administrator needs to resolve the application performance issue. Which solution will meet this requirement with the LEAST operational effort?
Options
- AAdjust the minimum capacity of the Auto Scaling group to the size required to meet the increased
- BAdjust the launch template that is associated with the Auto Scaling group to be more sensitive to
- CCreate a scheduled scaling action to scale out the number of EC2 instances shortly before the
- DManually add a few more EC2 instances to the Auto Scaling group to support the increase in user
Explanation
A scheduled scaling action pre-provisions instances just before the predictable 2-hour spike and scales back afterward, maintaining performance while minimizing ongoing effort and cost.
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