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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified SysOps Administrator - Associate (SOA-C03) |
| Exam Number: | SOA-C03 |
| Real Exam Qty: | 65 questions |
| Available Languages: | Japanese, Simplified Chinese, Spanish (Latin America), French, Korean, English, German |
| Exam Format: | Multiple choice, Multiple response |
| Certificate Validity Period: | 3 years |
| Exam Price: | 150 USD |
| Passing Score: | 720 (scaled score out of 1000) |
| Related Certifications: | AWS Certified Solutions Architect - Associate AWS Certified Developer - Associate |
| Exam Duration: | 130 minutes |
| Recommended Training: | AWS Skill Builder - SysOps Administrator Learning Path AWS Certified SysOps Administrator Associate Training (Official Learning Resources) |
| Exam Registration: | AWS Certification Portal AWS Certification Official Registration |
| Sample Questions: | Amazon SOA-C03 Sample Questions |
| Exam Way: | Online proctored or test center delivery |
| Pre Condition: | No formal prerequisites, but AWS recommends at least 1 year of experience managing AWS workloads in a SysOps or cloud operations role. |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-sysops-administrator-associate/ |
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NEW QUESTION # 25
A company hosts its website on Amazon EC2 instances in the us-east-1 Region. The company is preparing to extend its website into the eu-central-1 Region, but the database must remain only in us-east-1. After deployment, the EC2 instances in eu-central-1 are unable to connect to the database in us-east-1. What is the MOST operationally efficient solution that will resolve this connectivity issue?
Answer: A
Explanation:
Inter-Region VPC peering provides private connectivity between VPCs in different AWS Regions without requiring VPN infrastructure. After configuring the required routes, the database security group can allow inbound database traffic from the private CIDR range used by the EC2 instances in eu-central-1, providing a straightforward and low-overhead solution.
NEW QUESTION # 26
A company operates compute resources in a VPC and in the company's on-premises data center. The company already has an AWS Direct Connect connection between the VPC and the on-premises data center.
A CloudOps engineer needs to ensure that Amazon EC2 instances in the VPC can resolve DNS names for hosts in the on-premises data center.
Which solution will meet this requirement with the LEAST amount of ongoing maintenance?
Answer: B
Explanation:
Amazon Route 53 Resolver outbound endpoints enable Amazon VPC resources to forward DNS queries to DNS servers that are outside of AWS, such as on-premises DNS servers. Because the company already has AWS Direct Connect in place, DNS queries can be routed privately from the VPC to the on-premises DNS infrastructure without using the public internet.
By creating an outbound endpoint and configuring forwarding rules for the on-premises domains, EC2 instances in the VPC can resolve DNS names dynamically using the existing authoritative DNS servers. This approach requires minimal ongoing maintenance because DNS records continue to be managed centrally in the on-premises DNS system.
Manually populating a private hosted zone or /etc/hosts files would require constant updates and does not scale. Reverse DNS forwarding alone does not solve forward name resolution.
Therefore, using Route 53 Resolver outbound endpoints is the correct solution.
NEW QUESTION # 27
An application runs on Amazon EC2 instances that are in an Auto Scaling group. A CloudOps engineer needs to implement a solution that provides a central storage location for errors that the application logs to disk. The solution must also provide an alert when the application logs an error.
What should the CloudOps engineer do to meet these requirements?
Answer: D
Explanation:
The AWS Cloud Operations and Monitoring documentation specifies that the Amazon CloudWatch Agent is the recommended tool for collecting system and application logs from EC2 instances. The agent pushes these logs into a centralized CloudWatch Logs group, providing durable storage and real-time monitoring.
Once the logs are centralized, a CloudWatch Metric Filter can be configured to search for specific error keywords (for example, "ERROR" or "FAILURE"). This filter transforms matching log entries into custom metrics. From there, a CloudWatch Alarm can monitor the metric threshold and publish notifications to an Amazon SNS topic, which can send email or SMS alerts to subscribed recipients.
This combination provides a fully automated, managed, and serverless solution for log aggregation and error alerting. It eliminates the need for manual cron jobs (Option B), custom scripts (Option D), or Lambda- based log streaming (Option C).
Reference: AWS Cloud Operations & Monitoring Guide - Collecting Application Logs and Creating Alarms Using CloudWatch Agent, Metric Filters, and SNS Notifications
NEW QUESTION # 28
A company has a microservice that runs on a set of Amazon EC2 instances. The EC2 instances run behind an Application Load Balancer (ALB).
A CloudOps engineer must use Amazon Route 53 to create a record that maps the ALB URL to example.com.
Which type of record will meet this requirement?
Answer: B
Explanation:
To route traffic from example.com to an Application Load Balancer (ALB), you must use an alias record in Amazon Route 53. Alias records are a Route 53-specific extension of DNS that allows mapping a domain name directly to AWS resources such as ALBs, CloudFront distributions, and S3 websites. Unlike a CNAME record, an alias record works at the zone apex (e.g., example.com) and does not incur extra DNS lookup charges.
NEW QUESTION # 29
A CloudOps engineer is creating a simple, public-facing website running on Amazon EC2. The CloudOps engineer created the EC2 instance in an existing public subnet and assigned an Elastic IP address to the instance. Next, the CloudOps engineer created and applied a new security group to the instance to allow incoming HTTP traffic from 0.0.0.0/0. Finally, the CloudOps engineer created a new network ACL and applied it to the subnet to allow incoming HTTP traffic from 0.0.0.0/0. However, the website cannot be reached from the internet.
What is the cause of this issue?
Answer: C
Explanation:
Network ACLs are stateless, meaning that return traffic for allowed inbound connections must be explicitly permitted by outbound rules. Although the inbound rule allows HTTP (port 80) from
0.0.0.0/0, if the outbound rule does not allow ephemeral ports (typically 1024-65535), return traffic from the web server to clients will be blocked, preventing users from accessing the website.
NEW QUESTION # 30
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