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| Section | Weight | Objectives |
|---|---|---|
| Networking and Content Delivery | 18% | - Optimize and troubleshoot network connectivity and performance
|
| Security and Compliance | 18% | - Implement identity and access management
|
| Deployment, Provisioning, and Automation | 20% | - Automate operational tasks and workflows
|
| Monitoring, Logging, Analysis, Remediation, and Performance Optimization | 22% | - Collect and interpret metrics, logs, and events
|
| Reliability and Business Continuity | 22% | - Design and implement high availability and fault tolerance
|
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NEW QUESTION # 112
A company's application is hosted by an internet provider at app.example.com. The company wants to access the application by using www.company.com, which the company owns and manages with Amazon Route 53.
Which Route 53 record should be created to address this requirement?
Answer: D
Explanation:
When mapping one domain name to another domain name that is hosted outside AWS, a CNAME record is the correct DNS record type. CNAME records map an alias name (www.company.com) to a canonical domain name (app.example.com).
Alias records cannot be used to point to non-AWS resources. A and PTR records map IP addresses, not domain names, and are therefore not appropriate.
Because www.company.com is not the zone apex, a CNAME record is valid and supported. This solution requires no additional infrastructure and is the standard DNS approach for this scenario.
NEW QUESTION # 113
A finance company uses AWS Secrets Manager to store Amazon RDS credentials that are periodically rotated. A database team must receive a notification when the credentials are rotated to ensure compliance with security policies. The database team creates an Amazon Simple Notification Service (Amazon SNS) topic for the notifications.
Which solution will meet these requirements?
Answer: D
Explanation:
AWS Secrets Manager rotation is an API-driven activity that is recorded as an audit event. When the secret rotation workflow is initiated, AWS API activity is captured by AWS CloudTrail, which provides an authoritative source of "who did what and when" for compliance evidence. By creating an Amazon EventBridge rule that matches the relevant CloudTrail event for the rotation operation, the company can automatically detect rotation activity and trigger downstream actions without building a polling system.
EventBridge can route matched events directly to Amazon SNS, which then fan-outs the notification to email, SMS, chat integrations, or incident tooling used by the database team.
Option A fits the requirement because it creates an event-driven compliance notification path specifically tied to the rotation operation. It also allows more precise filtering than log scanning: the rule can match the event name and include conditions that reflect successful completion, reducing noise and false positives.
EventBridge rules are managed, highly available, and require minimal operational work once configured.
Option B is not the best fit because Secrets Manager does not rely on a "native SNS rotation notification toggle" as a primary mechanism for compliance notifications in the way described; the standard event-driven pattern is to use EventBridge/CloudTrail signals rather than expecting Secrets Manager to publish directly to SNS for every rotation outcome. Options C and D propose filtering CloudWatch Logs, which adds operational overhead (log ingestion, metric filters or subscription filters, and parsing) and is less direct than matching structured API events. CloudWatch Logs filtering is also more brittle because it depends on log formats and correct log routing for the relevant services.
Therefore, using EventBridge to match CloudTrail rotation events and forward them to SNS is the most reliable and low-maintenance solution.
NEW QUESTION # 114
A company stores critical information in an Amazon RDS for PostgreSQL database. The company notices degraded performance, high CPU utilization, increased query latency, and connection timeouts during peak shopping hours. The company also identifies surges in user connections during peak hours. The connection surges affect the read performance of the database.
The company wants to resolve the database performance issues.
Which combination of steps will meet this requirement? (Select TWO.)
Answer: B,C
Explanation:
The symptoms point to two common database pressure sources: inefficient queries (driving high CPU and latency) and excessive concurrent connections (driving connection management overhead, read contention, and timeouts). The most effective remediation is to address both the SQL workload and the connection surge behavior.
Amazon RDS Performance Insights (Option A) is designed to help identify which SQL statements and wait events contribute most to database load. It provides a database-centric view of performance that highlights top SQL, top waits, and the relative impact of sessions on CPU and other resources. By using Performance Insights to pinpoint the highest-impact SQL and then tuning those queries (for example, improving indexes, reducing full scans, and optimizing query patterns), the company can lower CPU utilization and reduce query latency during peak hours.
Connection surges are best addressed with a managed connection pooling layer. RDS Proxy (Option E) provides connection pooling and multiplexing between application connections and the database, which reduces the overhead of establishing and maintaining a large number of database connections. During spikes, the proxy can smooth bursty connection behavior, improve failover handling, and reduce the risk of overwhelming the database with too many concurrent connections. This directly targets the observed timeouts and read performance degradation tied to surges.
Option B is not the best fit because CloudWatch Logs Insights is a log analytics tool; it is not the primary mechanism for deep SQL performance attribution in RDS and typically requires extensive logging configurations that add overhead. Option C would reduce availability and does not improve performance.
Option D would make the problem worse: disabling pooling increases connection churn and overhead, amplifying timeouts and latency during peak traffic.
Therefore, combining Performance Insights query analysis/tuning with RDS Proxy connection pooling best resolves both root causes.
NEW QUESTION # 115
A company maintains a list of 75 approved Amazon Machine Images (AMIs) that can be used across an organization in AWS Organizations. The company's development team has been launching Amazon EC2 instances from unapproved AMIs.
A SysOps administrator must prevent users from launching EC2 instances from unapproved AMIs.
Which solution will meet this requirement?
Answer: A
Explanation:
The requirement is preventative: stop users from launching from unapproved AMIs. The most scalable approach with 75 approved AMIs is to tag all approved AMIs (for example, ApprovedAMI=true) and enforce usage through an IAM policy condition that only allows ec2:RunInstances when the ec2:ImageId resource (the AMI) includes the required tag. This avoids maintaining long allow/deny lists of AMI IDs and supports continuous updates: as new approved AMIs are created, tagging them automatically brings them under the policy without policy rewrites.
NEW QUESTION # 116
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 # 117
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