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| Section | Weight | Objectives |
|---|---|---|
| Cost and Performance Optimization | 28% | - Right-sizing and capacity planning - Resource performance tuning - Cost monitoring and optimization strategies |
| Deployment, Provisioning, and Automation | 18% | - Infrastructure as Code using AWS CloudFormation - Configuration management and orchestration tools - Automated deployment pipelines |
| Security and Compliance | 18% | - Identity and access management (IAM) - Security monitoring and auditing - Data protection and encryption |
| Monitoring, Logging, and Remediation | 20% | - Centralized logging and log analysis with AWS services - Metrics and monitoring using Amazon CloudWatch - Automated remediation and operational workflows |
| Reliability and Business Continuity | 16% | - High availability and fault tolerance design - Data replication and recovery mechanisms - Backup and disaster recovery strategies |
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NEW QUESTION # 50
A web application runs on Amazon EC2 instances in the us-east-1 Region and the us-west-2 Region. The instances run behind an Application Load Balancer (ALB) in each Region. An Amazon Route 53 hosted zone controls DNS records.
The instances in us-east-1 are production resources. The instances in us-west-2 are for disaster recovery. EC2 Auto Scaling groups are configured based on the ALBRequestCountPerTarget metric in both Regions.
A SysOps administrator must implement a solution that provides failover from us-east-1 to us-west-2. The instances in us-west-2 must be used only for failover.
Which solution will meet these requirements?
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract of AWS CloudOps Documents:
The requirement is classic active-passive (production in us-east-1, DR in us-west-2 "only for failover"). The most operationally efficient and purpose-built solution is Route 53 failover routing combined with health checks. With failover routing, Route 53 designates one record as PRIMARY (us-east-1) and another as SECONDARY (us-west-2). Route 53 continuously evaluates the health check associated with the primary endpoint (commonly the ALB DNS name or a specific health-check path). If the primary fails, Route 53 automatically returns the secondary record, directing client DNS resolution to the DR region. This ensures us- west-2 is used only when us-east-1 is unhealthy, directly matching the requirement.
Latency routing (Option B) is designed to route users to the region with the lowest latency, which can actively send traffic to us-west-2 even when us-east-1 is healthy-violating the "DR only" constraint. Options C and D introduce custom automation (CloudWatch + Lambda + DNS record updates) that increases operational overhead, adds failure modes, and is unnecessary because Route 53 already provides managed health-check- based failover. Additionally, "EC2 instance terminated" is not a reliable proxy for full application availability, and DNS modification automation is more complex than using native Route 53 failover policies.
References:
Amazon Route 53 Developer Guide - Health checks and failover routing policy AWS Well-Architected Framework - Reliability pillar (failover, DR patterns) AWS SysOps Administrator Study Guide - DNS failover and Route 53 routing policies
NEW QUESTION # 51
A company uses AWS Organizations to manage multiple AWS accounts. A CloudOps engineer must identify all IPv4 ports open to 0.0.0.0/0 across the organization's accounts.
Which solution will meet this requirement with the LEAST operational effort?
Answer: B
Explanation:
According to AWS Cloud Operations and Governance documentation, AWS Trusted Advisor provides automated checks for security group rules across all accounts, including identifying ports open to 0.0.0.0/0.
When viewed in organizational mode, Trusted Advisor integrates with AWS Organizations, allowing administrators to access organization-wide security findings from a central management account. This approach requires no custom code, additional infrastructure, or manual inspection, providing immediate visibility and the lowest operational overhead.
AWS CLI scripts (Option A) or Lambda automation (Option C) introduce additional maintenance, and Amazon Inspector (Option D) is focused on instance-level vulnerabilities, not network access rules.
Therefore, Option B is the AWS-recommended CloudOps best practice for centralized and low-effort open-port auditing.
NEW QUESTION # 52
A company hosts a web application on an Amazon EC2 instance. Users report that the web application is occasionally unresponsive.
Amazon CloudWatch metrics indicate that the CPU utilization is 100% during these times. A SysOps administrator must implement a solution to monitor for this issue.
Which solution will meet this requirement?
Answer: B
Explanation:
The user's symptom is 100% CPU utilization during unresponsiveness, and CloudWatch monitors CPUUtilization metrics by default (with optional detailed monitoring). Setting a CloudWatch alarm on CPU utilization provides real-time detection of high CPU and can trigger automated actions or notifications to respond quickly. This is the standard, scalable way to monitor and alert on CPU pressure for EC2 instances.
NEW QUESTION # 53
An Amazon EC2 instance is running an application that uses Amazon Simple Queue Service (Amazon SQS) queues. A CloudOps engineer must ensure that the application can read write, and delete messages from the SQS queues.
Which solution will meet these requirements in the MOST secure manner?
Answer: C
Explanation:
The most secure approach is to use an IAM role for EC2 (no long-lived credentials) and grant only the specific SQS actions needed (send, receive, delete) on the required queues. The instance automatically receives temporary credentials via the role, enforcing least privilege and avoiding hard-coded or environment-stored access keys.
NEW QUESTION # 54
A company stores critical data in Amazon S3 buckets. A CloudOps engineer must build a solution to record all S3 API activity. Which action will meet this requirement?
Answer: C
Explanation:
To record all S3 API activity, the correct service is AWS CloudTrail with S3 data events enabled.
CloudTrail management events record bucket-level management actions, while S3 data events record object-level API activity such as GetObject, PutObject, and DeleteObject. Since the requirement says all S3 API activity, object-level data events are essential. S3 server access logging records requests to a bucket, but it is less complete and not the primary AWS audit mechanism for API-level activity across accounts and services. S3 bucket metrics provide operational metrics, not detailed API audit records. IAM Access Analyzer helps evaluate access policies and external access risk; it does not store object API logs. Therefore, CloudTrail S3 data events are the correct compliance logging solution.
NEW QUESTION # 55
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