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>> Exam SOA-C03 Questions Fee <<
The Amazon SOA-C03 certification is a valuable credential and comes with certain benefits. You can use AWS Certified CloudOps Engineer - Associate exam certificate to inspire managers or employers. For many professionals, the Amazon SOA-C03 Certification Exam will not only validate your expertise but also gives you an edge in the job market or the corporate ladder.
NEW QUESTION # 112
A CloudOps engineer needs to configure a caching layer for a read-heavy application that uses an Amazon RDS for PostgreSQL database. The application exists across three AWS Regions.
Read and write activities occur in the primary Region. In the two secondary Regions, read-only activity occurs on RDS for PostgreSQL cross-Region read replicas.
The cache in each Region must consist of the same data to provide a consistent user experience across Regions.
Which solution for the caching layer will meet these requirements?
Answer: D
Explanation:
Amazon ElastiCache for Redis OSS global datastore provides cross-Region replication for a primary cluster and secondary read-only clusters. This keeps cache data replicated across Regions so users receive a consistent cached read experience while writes are handled in the primary Region.
NEW QUESTION # 113
A company has created a new video-on-demand (VOD) application. The application runs on a fleet of Amazon EC2 instances behind an Application Load Balancer (ALB). The company configured an Amazon CloudFront distribution and set the ALB as the origin. Because of increasing application demand, the company wants to move all video files to a central Amazon S3 bucket.
A CloudOps engineer needs to ensure that video files can be cached at edge locations after the company migrates the files to Amazon S3.
Which solution will meet this requirement?
Answer: C
Explanation:
CloudFront supports multiple origins with cache behaviors that route requests based on URL path patterns. By adding the S3 bucket as a new origin and creating a cache behavior for the video path, CloudFront can fetch the video files from S3 and cache them at edge locations for subsequent requests.
NEW QUESTION # 114
A company has an application running on EC2 that stores data in an Amazon RDS for MySQL Single- AZ DB instance. The application requires both read and write operations, and the company needs failover capability with minimal downtime.
Which solution will meet these requirements?
Answer: D
Explanation:
According to the AWS Cloud Operations and Database Reliability documentation, Amazon RDS Multi- AZ deployments provide high availability and automatic failover by maintaining a synchronous standby replica in a different Availability Zone.
In the event of instance failure, planned maintenance, or Availability Zone outage, Amazon RDS automatically promotes the standby to primary with minimal downtime (typically less than 60 seconds). The failover is transparent to applications because the DB endpoint remains the same.
By contrast, read replicas (Option B) are asynchronous and do not provide automated failover.
Auto Scaling (Option C) applies to EC2, not RDS. RDS Proxy (Option D) improves connection management but does not add redundancy.
Thus, Option A -- converting the RDS instance into a Multi-AZ deployment -- delivers the required high availability and business continuity with minimal operational effort.
NEW QUESTION # 115
A CloudOps engineer is preparing to deploy an application to Amazon EC2 instances that are in an Auto Scaling group. The application requires dependencies to be installed. Application updates are issued weekly.
The CloudOps engineer needs to implement a solution to incorporate the application updates on a regular basis. The solution also must conduct a vulnerability scan during Amazon Machine Image (AMI) creation.
What is the MOST operationally efficient solution that meets these requirements?
Answer: B
Explanation:
EC2 Image Builder is a managed service that automates AMI creation on a schedule, including installing dependencies, applying weekly application updates, and running steps such as vulnerability scans as part of the image build pipeline. It provides versioning, automated builds, and integration with scanners via components, giving a highly automated and operationally efficient solution compared to manual scripts or ad hoc AMI creation.
NEW QUESTION # 116
A company's ecommerce application is running on Amazon EC2 instances that are behind an Application Load Balancer (ALB). The instances are in an Auto Scaling group. Customers report that the website is occasionally down. When the website is down, it returns an HTTP 500 (server error) status code to customer browsers.
The Auto Scaling group's health check is configured for EC2 status checks, and the instances appear healthy.
Which solution will resolve the problem?
Answer: A
Explanation:
In this scenario, the EC2 instances pass their EC2 status checks, indicating that the operating system is responsive. However, the application hosted on the instance is failing intermittently, returning HTTP 500 errors. This demonstrates a discrepancy between the instance-level health and the application-level health.
According to AWS CloudOps best practices under Monitoring, Logging, Analysis, Remediation and Performance Optimization (SOA-C03 Domain 1), Auto Scaling groups should incorporate Elastic Load Balancing (ELB) health checks instead of relying solely on EC2 status checks. The ELB health check probes the application endpoint (for example, HTTP or HTTPS target group health checks), ensuring that the application itself is functioning correctly.
When an instance fails an ELB health check, Amazon EC2 Auto Scaling will automatically mark the instance as unhealthy and replace it with a new one, ensuring continuous availability and performance optimization.
Extract from AWS CloudOps (SOA-C03) Study Guide - Domain 1:
"Implement monitoring and health checks using ALB and EC2 Auto Scaling integration. Application Load Balancer health checks allow Auto Scaling to terminate and replace instances that fail application-level health checks, ensuring consistent application performance." Extract from AWS Auto Scaling Documentation:
"When you enable the ELB health check type for your Auto Scaling group, Amazon EC2 Auto Scaling considers both EC2 status checks and Elastic Load Balancing health checks to determine instance health. If an instance fails the ELB health check, it is automatically replaced." Therefore, the correct answer is B, as it ensures proper application-level monitoring and remediation using ALB-integrated ELB health checks-a core CloudOps operational practice for proactive incident response and availability assurance.
References (AWS CloudOps Verified Source Extracts):
AWS Certified CloudOps Engineer - Associate (SOA-C03) Exam Guide: Domain 1 - Monitoring, Logging, and Remediation.
AWS Auto Scaling User Guide: Health checks for Auto Scaling instances (Elastic Load Balancing integration).
AWS Well-Architected Framework - Operational Excellence and Reliability Pillars.
AWS Elastic Load Balancing Developer Guide - Target group health checks and monitoring.
NEW QUESTION # 117
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