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 SysOps Administrator created an AWS CloudFormation template for the first time. The stack failed with a status of ROLLBACK_COMPLETE. The Administrator identified and resolved the template issue causing the failure.
How should the Administrator continue with the stack deployment?
A financial service company is running distributed computing software to manage a fleet of 20 servers for their calculations. There are 2 control nodes and 18 worker nodes to run the calculations. Worker nodes can be automatically started by the control nodes when required. Currently, all nodes are running on demand, and the worker nodes are uses for approximately 4 hours each day.
Which combination of actions will be most cost-effective? (Select Two)
A company has an application running on a fleet of Microsoft Windows instances. Patches to the operating system need to be applied each month. AWS Systems Manager Patch Manager is used to apply the patches on a schedule.
When the fleet is being patched, customers complain about delayed service responses.
What can be done to ensure patches are deployed with MINIMAL customer impact?