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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified CloudOps Engineer - Associate |
| Exam Number: | SOA-C03 |
| Exam Duration: | 130 minutes |
| Related Certifications: | AWS Certified SysOps Administrator - Associate (SOA-C02, retired) |
| Certificate Validity Period: | 3 years |
| Passing Score: | 720 (scaled score 100โ1000) |
| Real Exam Qty: | 65 (50 scored, 15 unscored) |
| Exam Format: | Multiple choice, Multiple response |
| Exam Price: | 150 USD |
| Available Languages: | Korean, English, Simplified Chinese, Japanese |
| Recommended Training: | AWS Official Exam Guide AWS Training and Certification |
| Exam Registration: | Pearson VUE Scheduling AWS Certification Registration |
| Sample Questions: | Amazon SOA-C03 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended 1 year of experience deploying, managing, and operating workloads on AWS |
| Official Syllabus URL: | https://docs.aws.amazon.com/aws-certification/latest/sysops-administrator-associate-03/sysops-administrator-associate-03.html |
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NEW QUESTION # 221
A company is running an application on premises and wants to use AWS for data backup. All of the data must be available locally. The backup application can write only to block-based storage that is compatible with the Portable Operating System Interface (POSIX).
Which backup solution will meet these requirements?
Answer: A
Explanation:
The Storage Gateway service enables hybrid cloud backup by presenting local block storage that synchronizes with AWS cloud storage. For scenarios where all data must remain available locally while still backed up to AWS, the correct mode is gateway-stored volumes.
AWS documentation defines:
"Use stored volumes if you want to keep all your data locally while asynchronously backing up point-in-time snapshots to Amazon S3 for durable storage." These volumes expose an iSCSI interface compatible with POSIX file systems, allowing direct use by on- premises backup software.
Gateway-cached volumes (Option C) store primary data in AWS with limited local cache, violating the "all data must be available locally" requirement. Options A and B are object-based storage solutions, not compatible with POSIX or block-based backup applications.
Therefore, Option D fully satisfies CloudOps reliability and continuity best practices by ensuring local availability, cloud durability, and POSIX compatibility for backups.
References:* AWS Certified CloudOps Engineer - Associate (SOA-C03) Exam Guide - Domain 2:
Reliability and Business Continuity* AWS Storage Gateway User Guide - Stored Volumes Overview* AWS Well-Architected Framework - Reliability Pillar* AWS Hybrid Cloud Storage Best Practices
NEW QUESTION # 222
A company deploys AWS infrastructure in a VPC that has an internet gateway. The VPC has public subnets and private subnets. An Amazon RDS for MySQL DB instance is deployed in a private subnet. An AWS Lambda function uses the same private subnet and connects to the DB instance to query data.
A developer modifies the Lambda function to require the function to publish messages to an Amazon Simple Queue Service (Amazon SQS) queue. After these changes, the Lambda function times out when it tries to publish messages to the SQS queue.
Which solutions will resolve this issue? (Choose two.)
Answer: B,C
Explanation:
The Lambda function now runs inside a private subnet. To reach public AWS service endpoints like SQS over the internet, resources in private subnets need an egress path, typically via a NAT gateway. Adding a NAT gateway and updating the route table lets the Lambda function call the SQS public endpoint while still accessing the RDS instance in the private subnet.
Alternatively, you can keep the subnet private and create an interface VPC endpoint for SQS.
This gives the Lambda function a private, VPC-internal path to SQS without requiring internet access.
NEW QUESTION # 223
A company's security policy prohibits connecting to Amazon EC2 instances through SSH and RDP. Instead, staff must use AWS Systems Manager Session Manager. Users report they cannot connect to one Ubuntu instance, even though they can connect to others.
What should a CloudOps engineer do to resolve this issue?
Answer: B
Explanation:
According to AWS Cloud Operations and Systems Manager documentation, Session Manager requires that each managed instance be associated with an IAM instance profile that grants Systems Manager core permissions. The required permissions are provided by the AmazonSSMManagedInstanceCore AWS- managed policy.
If this policy is missing or misconfigured, the Systems Manager Agent (SSM Agent) cannot communicate with the Systems Manager service, causing connection failures even if the agent is installed and running. This explains why other instances work-those instances likely have the correct IAM role attached.
Enabling port 22 (Option A) violates the company's security policy, while configuring user names (Option C) and key pairs (Option D) are irrelevant because Session Manager operates over secure API channels, not SSH keys.
Therefore, the correct resolution is to attach or update the instance profile with the AmazonSSMManagedInstanceCore policy, restoring Session Manager connectivity.
Reference: AWS Cloud Operations & Systems Manager Guide - Instance Profile Requirements for Session Manager Connectivity
NEW QUESTION # 224
A company runs a website on Amazon EC2 instances. Users can upload images to an Amazon S3 bucket and publish the images to the website. The company wants to deploy a serverless image-processing application that uses an AWS Lambda function to resize the uploaded images.
The company's development team has created the Lambda function. A CloudOps engineer must implement a solution to invoke the Lambda function when users upload new images to the S3 bucket.
Which solution will meet this requirement?
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract of AWS CloudOps Doocuments:
Use Amazon S3 Event Notifications with AWS Lambda to trigger image processing on object creation. S3 natively supports invoking Lambda for events such as s3:ObjectCreated:*, providing a serverless, low-latency pipeline without managing additional services. AWS operational guidance states that "Amazon S3 can directly invoke a Lambda function in response to object-created events," allowing you to pass event metadata (bucket/key) to the function for resizing and writing results back to S3. This approach minimizes operational overhead, scales automatically with upload volume, and integrates with standard retry semantics. SNS or SQS can be added for fan-out or buffering patterns, but they are not required when the requirement is simply
"invoke the Lambda function on upload." CloudWatch alarms do not detect individual S3 object uploads and cannot directly satisfy per-object triggers. Therefore, configuring S3 # Lambda event notifications meets the requirement most directly and aligns with CloudOps best practices for event-driven, serverless automation.
References:* Using AWS Lambda with Amazon S3 (Lambda Developer Guide)* Amazon S3 Event Notifications (S3 User Guide)* AWS Well-Architected - Serverless Applications (Operational Excellence)
NEW QUESTION # 225
A company has an application that runs on Amazon EC2 instances. The application stores data on an Amazon RDS for MySQL Single-AZ DB instance. Requests to the DB instance from the application include reads and writes.
A CloudOps engineer must implement a solution that provides failover for the DB instance. The solution must minimize application downtime.
Which solution will meet these requirements?
Answer: A
Explanation:
A Multi-AZ RDS deployment maintains a synchronous standby DB instance in another Availability Zone. If the primary DB instance becomes unavailable, Amazon RDS automatically fails over to the standby while preserving the same database endpoint, minimizing application downtime.
NEW QUESTION # 226
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