Amazon Web Services Related Exams
SOA-C01 Exam
An ecommerce site is using Amazon ElastiCache with Memcached to store session state for a web application and to cache frequently used data. For the last month, users have been complaining about performance. The metric data for the Amazon EC2 instances and the Amazon RDS instance appear normal, but the eviction count metrics are high.
What should be done to address this issue and improve performance?
A SysOps Administrator has created an Amazon EC2 instance using an AWS CloudFormation template in the us-east-1 Region. The Administrator finds that this template has failed to create an EC2 instance in the uswest-2 Region.
What is one cause for this failure?
A company has received a notification in its AWS Personal Health Dashboard that one of its Amazon EBS-backed Amazon EC2 instances is on hardware that is scheduled maintenance The instance runs a critical production workload that must be available during normal business hours
Which steps will ensure that the instance maintenance does not produce an outage?