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

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 is using AWS Storage Gateway to create block storage volumes and mount them as Internet Small Computer Systems Interlace (iSCSI) devices from on-premise! servers As the Storage Gateway has taken on several new projects some of the Development teams report that the performance of the iSCSI drives has degraded. When checking the Amazon CloudWatch metrics a SysOps Administrator notices that the cachePercentUsed metric is below 60% and the cachePercentUsed metric is above 90%.

What steps should the Administrator take to increase Storage Gateway performance?

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?