Amazon Web Services SOA-C01 Practice Exam Dumps 2025

A company is managing a website with a global user base hosted on Amazon EC2 with an Application Load Balancer (ALB). To reduce the load on the web servers, a SysOps administrator configures an Amazon CloudFront distribution with the ALB as the origin After a week of monitoring the solution, the administrator notices that requests are still being served by the ALB and there is no change in the web server load.

What are possible causes tor this problem? (Select TWO.)

Options:

CloudFront does not have the ALB configured as the origin access identity.

The DNS is still pointing to the ALB instead of the CloudFront distribution.

The ALB security group is not permitting inbound traffic from CloudFront.

The default, minimum, and maximum Time to Live (TTL) are set to 0 seconds on the CloudFront distribution.

The target groups associated with the ALB are configured for sticky sessions.

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Question 2

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?

Options:

Change the default block size for the Storage Gateway from 64 KB to 128 KB 256 KB or 512 KB to improve I/O performance

Create a larger disk for the cached volume. In the AWS Management Console. edit the local disks then select the new disk as the cached volume

Ensure that the physical disks for the Storage Gateway are in a RAID 1 configuration to allow higher throughput

Take point in time snapshots of all the volumes in Storage Gateway flush the cache completely then restore the volumes from the clean snapshots

Question 3

A SysOps Administrator is managing a web application that runs on Amazon EC2 instances behind an ELB Application Load Balancer (ALB). The instances run in an EC2 Auto Scaling group. The administrator wants to set an alarm for when all target instances associated with the ALB are unhealthy.

Which condition should be used with the alarm?

Options:

AWS/ApplicationELB HealthyHostCount <= 0

AWS/ApplicationELB UnhealthyHostCount >= 1

AWS/EC2 StatusCheckFailed <= 0

AWS/EC2 StatusCheckFailed >= 1

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