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A company's application on EC2 instances relies on a Single-AZ RDS for MySQL DB instance. The SysOps administrator needs to ensure failover to minimize downtime.
A SysOps administrator creates two VPCs, VPC1 and VPC2, in a company's AWS account The SysOps administrator deploys a Linux Amazon EC2 instance in VPC1 and deploys an Amazon RDS for MySQL DB instance in VPC2. The DB instance is deployed in a private subnet. An application that runs on the EC2 instance needs to connect to the database. What should the SysOps administrator do to give the EC2 instance the ability to connect to the database?
A SysOps administrator is optimizing the cost of a workload. The workload is running in multiple AWS Regions and is using AWS Lambda with Amazon EC2 On-Demand Instances for the compute. The overall usage is predictable. The amount of compute that is consumed in each Region varies, depending on the users' locations. Which approach should the SysOps administrator use to optimize this workload?
A company needs to monitor the disk utilization of Amazon Elastic Block Store (Amazon EBS) volumes The EBS volumes are attached to Amazon EC2 Linux Instances A SysOps administrator must set up an Amazon CloudWatch alarm that provides an alert when disk utilization increases to more than 80%. Which combination of steps must the SysOps administrator lake lo meet these requirements? (Select THREE.)
A company uses AWS CloudFormation to manage a stack of Amazon EC2 instances on AWS. A SysOps administrator needs to keep the instances and all of the instances' data, even if someone deletes the stack. Which solution will meet these requirements?
The SysOps administrator must dynamically reference the latest AMI ID from Systems Manager Parameter Store in CloudFormation templates for new AMI versions.
A company has an application that collects notifications from thousands of alarm systems. The notifications include alarm notifications and information notifications. The information notifications include the system arming processes, disarming processes, and sensor status. All notifications are kept as messages in an Amazon Simple Queue Service (Amazon SQS) queue. Amazon EC2 instances that are in an Auto Scaling group process the messages. A SysOps administrator needs to implement a solution that prioritizes alarm notifications over information notifications. Which solution will meet these requirements?
The SysOps administrator must modify the AWS Config rule that deletes noncompliant SSH inbound rules to update the rule to allow SSH from specific trusted IP addresses instead.
The SysOps administrator needs to address high disk I/O issues during EC2 instance bootstrap in an Auto Scaling group.
The SysOps administrator needs to complete the KMS key policy for least privilege read access for the DataEngineer role to decrypt S3 objects encrypted with a KMS key.

Question 240 - SOA-C02 discussion

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A SysOps administrator noticed that the cache hit ratio for an Amazon CloudFront distribution is less than 10%. Which collection of configuration changes will increase the cache hit ratio for the distribution? (Select TWO.)

A.
Ensure that only required cookies, query strings, and headers are forwarded in the Cache Behavior Settings.
Answers
A.
Ensure that only required cookies, query strings, and headers are forwarded in the Cache Behavior Settings.
B.
Change the Viewer Protocol Policy to use HTTPS only.
Answers
B.
Change the Viewer Protocol Policy to use HTTPS only.
C.
Configure the distribution to use presigned cookies and URLs to restrict access to the distribution.
Answers
C.
Configure the distribution to use presigned cookies and URLs to restrict access to the distribution.
D.
Enable automatic compression of objects in the Cache Behavior Settings.
Answers
D.
Enable automatic compression of objects in the Cache Behavior Settings.
E.
Increase the CloudFront time to live (TTL) settings in the Cache Behavior Settings.
Answers
E.
Increase the CloudFront time to live (TTL) settings in the Cache Behavior Settings.
Suggested answer: A, E

Explanation:

https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/cache-hitratio.html#cache-hit-ratio-http-streaming

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asked 16/09/2024
Ghazi Khan
24 questions
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