(A company has deployed an application to AWS and a standby instance to its on-premises data center. The on-premises infrastructure is a scaled-down version of the AWS infrastructure. Which routing policy in Route 53 will allow the company to send 75% of the load to AWS and the remaining 25% to its on-premises infrastructure?)
The weighted routing policy in Amazon Route 53 allows the company to distribute traffic with specific percentages, such as 75% to AWS and 25% to the on-premises infrastructure, by assigning weights to each resource record. This enables load balancing across hybrid environments. The WGU Cloud Deployment and Operations Study Guide (Section 3.1, Route 53 Routing Policies) states, 'Weighted routing policy assigns weights to resource record sets (e.g., 75 for AWS, 25 for on-premises), controlling the percentage of traffic directed to each endpoint.' Geolocation, failover, and simple policies do not support percentage-based traffic splitting.
(A cloud engineer needs to notify the response team whenever a high-security web server responds with a 403 Forbidden error. Which two steps can enable this functionality? Choose 2 answers.)
To notify a response team when a high-security web server returns a 403 Forbidden error, two key steps are required. First, define a metric filter for Apache logs in CloudWatch to detect the 403 error code within the log data. This involves setting up a filter pattern to match '403' in the Apache access logs. Second, create an alarm for the metric filter and configure it to deliver alerts using Amazon SNS, which supports email or other notifications to the response team. The WGU Cloud Deployment and Operations Study Guide (Section 4.2, CloudWatch Logs and Alarms) confirms that metric filters and SNS-integrated alarms are the standard approach for monitoring and alerting on log-based events. Options B and D are incorrect as they involve unnecessary or unsupported configurations (e.g., binding Lambda to Apache or using SQS for alarms).
(What is a patch baseline attached to if it is not defined in Patch Manager?)
If a patch baseline is not explicitly defined in Patch Manager, it is attached to the default patch group. This default group applies a preconfigured baseline with AWS-recommended patches, ensuring basic compliance for instances without custom baselines. The WGU Cloud Deployment and Operations Study Guide (Section 5.2, Patch Manager) states, 'If no custom patch baseline is defined, instances are associated with the default patch group, which uses AWS-provided baseline settings for automatic patch approval.' Options A, C, and D are not valid attachments for patch baselines.
(Which type of support plan provides a technical account manager and full use of Trusted Advisor?)
The Enterprise support plan provides a technical account manager (TAM) and full use of Trusted Advisor, offering proactive guidance and comprehensive access to all checks. This plan is designed for large-scale, mission-critical workloads. The WGU Cloud Deployment and Operations Study Guide (Section 6.4, AWS Support Plans) states, 'The Enterprise support plan includes a dedicated Technical Account Manager and full Trusted Advisor access, providing 24/7 support and proactive optimization recommendations.' Developer, Standard, and Business plans offer limited or no TAM support and partial Trusted Advisor access.
(Which two solutions should an administrator use to receive emails when a Lambda function returns an error? Choose 2 answers.)
To receive emails when a Lambda function returns an error, the administrator should use Amazon CloudWatch to monitor the function's logs and metrics (e.g., errors) and Amazon Simple Notification Service (SNS) to send email notifications based on CloudWatch alarms. The WGU Cloud Deployment and Operations Study Guide (Section 4.3, CloudWatch and SNS) states, 'CloudWatch can detect Lambda errors via logs and trigger an alarm, which integrates with SNS to send email notifications to subscribed endpoints, ensuring timely error alerts.' SQS and CloudTrail are not designed for this notification workflow.
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