SOA-C01 Exam Dumps : AWS Certified SysOps Administrator - Associate

A company has deployed a NAT instance to allow web servers to obtain software updates from the internet. There latency on the NAT instance as the network grows. A SysOps Administrator needs to reduce latency on the instance in a manner that a efficient, cost effective, and allow for scaling with future demand.

Which action should be taken to accomplish this?

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?

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?