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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.
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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?
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?
The SysOps administrator must dynamically reference the latest AMI ID from Systems Manager Parameter Store in CloudFormation templates for new AMI versions.
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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.
A company is running a serverless application on AWS Lambda. The application stores data in an Amazon RDS for MySQL DB instance. Usage has steadily increased, and recently there have been numerous "too many connections" errors when the Lambda function attempts to connect to the database. The company already has configured the database to use the maximum max_connections value that is possible. What should a SysOps administrator do to resolve these errors?

Question 324 - SOA-C02 discussion

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A SysOps administrator is responsible for managing a fleet of Amazon EC2 instances. These EC2 instances upload build artifacts to a third-party service. The third-party service recently implemented a strict IP allow list that requires all build uploads to come from a single IP address.

What change should the systems administrator make to the existing build fleet to comply with this new requirement?

A.
Move all of the EC2 instances behind a NAT gateway and provide the gateway IP address to the service.
Answers
A.
Move all of the EC2 instances behind a NAT gateway and provide the gateway IP address to the service.
B.
Move all of the EC2 instances behind an internet gateway and provide the gateway IP address to the service.
Answers
B.
Move all of the EC2 instances behind an internet gateway and provide the gateway IP address to the service.
C.
Move all of the EC2 instances into a single Availability Zone and provide the Availability Zone IP address to the service.
Answers
C.
Move all of the EC2 instances into a single Availability Zone and provide the Availability Zone IP address to the service.
D.
Move all of the EC2 instances to a peered VPC and provide the VPC IP address to the service.
Answers
D.
Move all of the EC2 instances to a peered VPC and provide the VPC IP address to the service.
Suggested answer: A

Explanation:

To ensure all EC2 instances upload build artifacts through a single IP address:

A: Move all of the EC2 instances behind a NAT gateway. Provide the IP address of the NAT gateway to the third-party service for the allow list. A NAT gateway enables instances in a private subnet to connect to services outside AWS (such as a third-party service) but prevents the internet from initiating connections with those instances. Using a NAT gateway standardizes all outgoing traffic to use a single IP address. More information on NAT gateways can be found in AWS documentation NAT Gateways.

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asked 16/09/2024
Vimal Varughese
42 questions
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