SOA-C02 Exam Dumps - AWS Certified SysOps Administrator - Associate (SOA-C02)

To set up notifications for when combined billing exceeds a certain threshold for all AWS accounts within an organization, follow these steps:

Enable Billing Alerts:

In the payer account, go to the Billing and Cost Management console.

Under "Billing preferences", enable the "Receive Billing Alerts" option.

Set Up a Billing Alarm in CloudWatch:

Navigate to the CloudWatch console.

Create a new billing alarm, specifying the threshold for the combined billing amount.

Set the alarm to publish a notification to an SNS topic when the threshold is breached.

Publish SNS Message:

Create an SNS topic to receive the billing alarm notifications.

Configure the billing alarm to send notifications to the SNS topic.

Setting Up a CloudWatch Billing Alarm

AWS Billing and Cost Management User Guide

"Network Load Balancer is optimized to handle sudden and volatile traffic patterns while using a single static IP address per Availability Zone." https://aws.amazon.com/elasticloadbalancing/network-load-balancer/

For an application that must scale to millions of requests per second and requires a single static IP address for each Availability Zone, a Network Load Balancer (NLB) is the most suitable option. NLBs are designed for high-performance, low-latency networking, and they support static IP addresses for each Availability Zone, making it ideal for volatile traffic patterns. Option D is the correct choice. AWS provides extensive documentation on NLB capabilities and configurations that suit these requirements AWS Network Load Balancer.

To automate the initialization of additional EBS volumes on Windows EC2 instances, the most effective approach is to integrate initialization scripts within the instance so that they execute upon startup:

Configure Initialization Script: Use a Windows PowerShell script (InitializeDisks.ps1) to initialize and format the additional EBS volumes. The script can assign drive letters based on configurations specified in DriveLetterMappingConfig.json.

Automate at Launch: Ensure that the PowerShell script runs automatically upon instance startup. This can be configured through Windows Task Scheduler or by setting it up in the startup folder.

Create a Custom AMI: Once the instance is configured with the script and successfully initializes the disks on startup, create a new AMI from this setup. This AMI can then be used to launch new instances that will automatically initialize their additional EBS volumes with no manual intervention required.

This method leverages native Windows tools and AWS capabilities to automate EBS volume initialization, enhancing operational efficiency without additional external dependencies.

This question is about:

Running a script every 60 minutes

Sending an SMS message

From the Amazon EventBridge Scheduler Documentation:

EventBridge Scheduler provides cron-based scheduling, and is the recommended tool for time-based invocations (replacing CloudWatch Events for most new use cases).

From the Amazon SNS Documentation:

SNS can send SMS messages by publishing to a topic that has a phone number subscribed.

AWS Secrets Manager is the recommended and native solution for managing secrets such as RDS DB credentials, with built-in support for automatic password rotation.

From Secrets Manager RDS integration documentation:

Secrets Manager supports automatic rotation for Amazon RDS databases. You can configure rotation for the master user credentials using a predefined Lambda rotation function provided by AWS.

This is the least operational effort option:

No custom Lambda code required

Seamlessly integrates with RDS

Fully managed password rotation

Implement an Amazon CloudFront distribution to offload the traffic from the Auto Scaling group does not breach the requirement of no changes in the network infrastructure. Reason is that cloudfront is a distribution that allows you to distribute content using a worldwide network of edge locations that provide low latency and high data transfer speeds. It plug in to existing setup, not changes to it.

To investigate AWS Secrets Manager password rotation and troubleshoot the authentication failure of an application running on Amazon EC2 instances, you should check the AWS Lambda function logs responsible for the password rotation.

Understand Secrets Manager Password Rotation:

AWS Secrets Manager can automatically rotate secrets according to a specified rotation schedule using an AWS Lambda function.

Using a Systems Manager Automation runbook is appropriate for managing security group rules within the AWS Config remediation framework. A runbook provides a reusable, automated solution that can update the security group rule based on an IP list.

Automation Runbook for Security Group Updates: A runbook can automate security group modifications, such as adding the trusted IP addresses specified by the business units.

AWS Config Integration: Config rules can be set to use this runbook for automatic remediation, ensuring that the rule is updated without deleting it, which aligns with the requirement for SSH access from specific IPs.

Lambda functions could work but would require additional customization and complexity, making the runbook a more manageable and scalable solution for this task.