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

A SysOps Administrator is attempting to use AWS Systems Manager Session Manager to initiate a SSH session with an Amazon EC2 instance running on a custom Linux Amazon Machine Image (AMI) The Administrator cannot find the target instance in the Session Manager console

Which combination of actions with solve this issue? (Select TWO )

A company has mandated the use of multi-factor authentication (MFA) for all 1AM users, and requires users to make all API calls using the CLI. However, users are not prompted to enter MFA tokens, and are able to run CLI commands without MFA. In an attempt to enforce MFA. the company attached an 1AM policy to all users that denies API calls that have not been authenticated with MFA.

What additional step must be taken to ensure that API calls are authenticated using MFA?

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?