最新SOA-C03試題，SOA-C03下載

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Amazon SOA-C03 考試大綱：

主題簡介
主題 1
  • Deployment, Provisioning, and Automation: This section measures the skills of Cloud Engineers and covers provisioning and maintaining cloud resources using AWS CloudFormation, CDK, and third-party tools. It evaluates automation of deployments, remediation of resource issues, and managing infrastructure using Systems Manager and event-driven processes like Lambda or S3 notifications.
主題 2
  • Networking and Content Delivery: This section measures skills of Cloud Network Engineers and focuses on VPC configuration, subnets, routing, network ACLs, and gateways. It includes optimizing network cost and performance, configuring DNS with Route 53, using CloudFront and Global Accelerator for content delivery, and troubleshooting network and hybrid connectivity using logs and monitoring tools.
主題 3
  • Security and Compliance: This section measures skills of Security Engineers and includes implementing IAM policies, roles, MFA, and access controls. It focuses on troubleshooting access issues, enforcing compliance, securing data at rest and in transit using AWS KMS and ACM, protecting secrets, and applying findings from Security Hub, GuardDuty, and Inspector.
主題 4
  • Reliability and Business Continuity: This section measures the skills of System Administrators and focuses on maintaining scalability, elasticity, and fault tolerance. It includes configuring load balancing, auto scaling, Multi-AZ deployments, implementing backup and restore strategies with AWS Backup and versioning, and ensuring disaster recovery to meet RTO and RPO goals.
主題 5
  • Monitoring, Logging, Analysis, Remediation, and Performance Optimization: This section of the exam measures skills of CloudOps Engineers and covers implementing AWS monitoring tools such as CloudWatch, CloudTrail, and Prometheus. It evaluates configuring alarms, dashboards, and notifications, analyzing performance metrics, troubleshooting issues using EventBridge and Systems Manager, and applying strategies to optimize compute, storage, and database performance.

>> 最新SOA-C03試題 <<

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最新的 Amazon Associate SOA-C03 免費考試真題 (Q38-Q43):

問題 #38
A CloudOps engineer is creating two AWS CloudFormation templates. The first template will create a VPC with associated resources, such as subnets, route tables, and an internet gateway. The second template will deploy application resources within the VPC that was created by the first template. The second template should refer to the resources created by the first template.
How can this be accomplished with the LEAST amount of administrative effort?

答案：C

解題說明：
CloudFormation cross-stack references are the correct low-effort method for sharing resource values between related stacks. The first template can define stack outputs and mark them with an Export name. The second template can use Fn::ImportValue to reference those exported values, such as VPC ID, subnet IDs, route table IDs, or security group IDs. AWS documentation states that you use the Export output field and Fn::
ImportValue intrinsic function to create cross-stack references. A custom resource is unnecessary and adds code, permissions, and maintenance. Mappings are static lookup tables, not a way to retrieve live resources from another stack. Passing values manually as parameters works, but it increases administrative effort and error risk. Therefore, exports and imports are correct.


問題 #39
A company uses an organization in AWS Organizations to manage multiple AWS accounts. The company needs to send specific events from all the accounts in the organization to a new receiver account, where an AWS Lambda function will process the events.
A CloudOps engineer configures Amazon EventBridge to route events to a target event bus in the us-west-2 Region in the receiver account. The CloudOps engineer creates rules in both the sender and receiver accounts that match the specified events. The rules do not specify an account parameter in the event pattern. IAM roles are created in the sender accounts to allow PutEvents actions on the target event bus.
However, the first test events from the us-east-1 Region are not processed by the Lambda function in the receiving account.
What is the likely reason the events are not processed?

答案：D

解題說明：
Per the AWS Cloud Operations and EventBridge documentation, when events are sent across AWS accounts
- particularly from multiple accounts in an AWS Organization - the target event bus in the receiver account must include a resource-based policy that explicitly allows events:PutEvents API calls from the sender accounts or the organization ID.
Even if the sender accounts have IAM permissions to call PutEvents, the receiving event bus must trust those accounts via a resource policy. Without this configuration, EventBridge automatically rejects incoming cross- account events, and those events never reach the target Lambda function for processing.
AWS guidance states that "Cross-account event delivery requires a resource-based policy on the event bus that grants permissions to the source accounts or organization." The policy can include either individual AWS account IDs or the organization's root ID.
In this scenario, because the events originate from multiple accounts and there is no resource policy on the target event bus to authorize those sender accounts, the events are not delivered.
Therefore, the correct cause is C - the resource-based policy on the target event bus must be modified to allow PutEvents API calls from the sender accounts.
Reference: AWS Cloud Operations - EventBridge Cross-Account Event Delivery Section, Permissions for Event Bus Targets and Organizational Event Routing


問題 #40
A company has created an AWS Site-to-Site VPN connection with logging enabled between the company's VPC and an on-premises data center. The company's finance team has begun to experience intermittent connectivity issues when the team tries to access an application that runs in the VPC from the data center.
The company needs to implement an automated monitoring solution to receive immediate notifications when a VPN tunnel becomes unavailable.
Which combination of steps will meet this requirement? (Choose two.)

答案：A,E

解題說明：
Amazon CloudWatch provides near-real-time monitoring for AWS Site-to-Site VPN tunnels, including tunnel state information. Because VPN logging is enabled, CloudWatch Logs can be used to capture tunnel activity, while the native TunnelState metric can drive a CloudWatch alarm. The alarm can publish to Amazon SNS so the operations team receives an immediate notification when a VPN tunnel becomes unavailable.


問題 #41
A company's CloudOps engineer maintains a highly available environment. The environment includes Amazon EC2 instances and an Amazon RDS Multi-AZ database. The EC2 instances are in an Auto Scaling group behind an Application Load Balancer.
Recently, the company conducted a failover test. The CloudOps engineer needs to decrease the failover time of the RDS database by at least 10%.
Which solution will meet this requirement?

答案：A

解題說明：
Amazon RDS Proxy improves application resiliency during database failovers by pooling and managing database connections. During failover, applications that connect through RDS Proxy generally recover faster because the proxy reduces the need for clients to repeatedly establish new database connections and handle DNS/cache timing issues directly. Increasing the DB instance size might improve capacity, but it does not directly reduce failover duration. Moving to a single Availability Zone would reduce availability and is the opposite of the requirement. A cross-Region read replica is useful for disaster recovery, but manual promotion is slower and changes the recovery model. The question asks to reduce failover time for the existing highly available RDS environment, so using RDS Proxy and updating the application endpoint is the best operational choice.


問題 #42
Users are reporting consistent forced logouts from a stateful web application. The web application is hosted on Amazon EC2 instances that are in an Auto Scaling group. The instances run behind an Application Load Balancer (ALB) that has multiple target groups with one listener rule. The ALB is configured as the origin in an Amazon CloudFront distribution. Which combination of actions should a CloudOps engineer take to resolve the logout problem? (Choose two.)

答案：C,E

解題說明：
CloudFront must forward the application's cookies so that session information and load balancer stickiness cookies reach the ALB. Because the listener rule distributes requests across multiple target groups, group-level stickiness keeps a user associated with the same target group for subsequent requests, which preserves the stateful session and prevents repeated logouts.


問題 #43
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