- (Exam Topic 1)
An ecommerce company uses an Amazon ElastiCache for Memcached cluster for in-memory caching of popular product queries on the shopping site. When viewing recent Amazon CloudWatch metrics data for the ElastiCache cluster, the SysOps administrator notices a large number of evictions.
Which of the following actions will reduce these evictions? (Choose two.)

1. A. Add an additional node to the ElastiCache cluster.
2. B. Increase the ElastiCache time to live (TTL).
3. C. Increase the individual node size inside the ElastiCache cluster.
4. D. Put an Elastic Load Balancer in front of the ElastiCache cluster.
5. E. Use Amazon Simple Queue Service (Amazon SQS) to decouple the ElastiCache cluster.

Correct Answer: AC
https://d1.awsstatic.com/training-and-certification/docs-sysops-associate/AWS-Certified-SysOps-Administrator

- (Exam Topic 1)
A company has a public website that recently experienced problems. Some links led to missing webpages, and other links rendered incorrect webpages. The application infrastructure was running properly, and all the provisioned resources were healthy. Application logs and dashboards did not show any errors, and no monitoring alarms were raised. Systems administrators were not aware of any problems until end users reported the issues.
The company needs to proactively monitor the website for such issues in the future and must implement a solution as soon as possible.
Which solution will meet these requirements with the LEAST operational overhead?

1. A. Rewrite the application to surface a custom error to the application log when issues occur.Automatically parse logs for error
2. B. Create an Amazon CloudWatch alarm to provide alerts when issues are detected.
3. C. Create an AWS Lambda function to test the websit
4. D. Configure the Lambda function to emit an Amazon CloudWatch custom metric when errors are detecte
5. E. Configure a CloudWatch alarm to provide alerts when issues are detected.
6. F. Create an Amazon CloudWatch Synthetics canar
7. G. Use the CloudWatch Synthetics Recorder plugin to generate the script for the canary ru
8. H. Configure the canary in line with requirement
9. I. Create an alarm to provide alerts when issues are detected.

Correct Answer: A

- (Exam Topic 1)
A SysOps administrator is required to monitor free space on Amazon EBS volumes attached to Microsoft Windows-based Amazon EC2 instances within a company’s account. The administrator must be alerted to potential issues.
What should the administrator do to receive email alerts before low storage space affects EC2 instance performance?

1. A. Use built-in Amazon CloudWatch metrics, and configure CloudWatch alarms and an Amazon SNS topic for email notifications
2. B. Use AWS CloudTrail logs and configure the trail to send notifications to an Amazon SNS topic.
3. C. Use the Amazon CloudWatch agent to send disk space metrics, then set up CloudWatch alarms using an Amazon SNS topic.
4. D. Use AWS Trusted Advisor and enable email notification alerts for EC2 disk space

Correct Answer: C

- (Exam Topic 1)
A company is running an application on premises and wants to use AWS for data backup All of the data must be available locally The backup application can write only to block-based storage that is compatible with the Portable Operating System Interface (POSIX)
Which backup solution will meet these requirements?

1. A. Configure the backup software to use Amazon S3 as the target for the data backups
2. B. Configure the backup software to use Amazon S3 Glacier as the target for the data backups
3. C. Use AWS Storage Gateway, and configure it to use gateway-cached volumes
4. D. Use AWS Storage Gateway, and configure it to use gateway-stored volumes

Correct Answer: D
https://docs.aws.amazon.com/storagegateway/latest/userguide/StorageGatewayConcepts.html

- (Exam Topic 1)
A company has an existing web application that runs on two Amazon EC2 instances behind an Application Load Balancer (ALB) across two Availability Zones The application uses an Amazon RDS Multi-AZ DB Instance Amazon Route 53 record sets route requests tor dynamic content to the load balancer and requests for static content to an Amazon S3 bucket Site visitors are reporting extremely long loading times.
Which actions should be taken to improve the performance of the website? (Select TWO )

1. A. Add Amazon CloudFront caching for static content
2. B. Change the load balancer listener from HTTPS to TCP
3. C. Enable Amazon Route 53 latency-based routing
4. D. Implement Amazon EC2 Auto Scaling for the web servers
5. E. Move the static content from Amazon S3 to the web servers

Correct Answer: AD