Question 1

An application has been instrumented to use the AWS X-Ray SDK to collect data about the requests the application serves. The Developer has set the user field on segments to a string that identifies the user who sent the request.

How can the Developer search for segments associated with specific users?

Options :

A : Use a filter expression to search for the user field in the segment annotations

B : By using the GetTraceSummaries API with a filter expression

C : Use a filter expression to search for the user field in the segment metadata

D : By using the GetTraceGraph API with a filter expression

Answer: B

Question 2

A developer is configuring health checks using Amazon Route 53 and needs to set values to determine the health of critical endpoints. What is the parameter that Amazon Route 53 reviews before deciding if an endpoint is unhealthy?

Options :

A : fault tolerance.

B : network response.

C : latency.

D : failure threshold.

Answer: D

Question 3

A Developer has created a serverless function that processes log files. The function should be invoked once every 15 minutes. How can the Developer automatically invoke the function using serverless services?

Options :

A : Configure the Lambda scheduler to run based on recurring time value

B : Launch an EC2 Linux instance and add a command to periodically invoke the function to its /etc/crontab file

C : Create an Amazon CloudWatch Events rule that is scheduled to run and invoke the function

D : Create an Amazon SNS rule to send a notification to Lambda to instruct it to run

Answer: C

Question 4

There are multiple AWS accounts across multiple regions managed by a company. The operations team require a single operational dashboard that displays some key performance metrics from these accounts and regions. What is the SIMPLEST solution?

Options :

A : Create an Amazon CloudWatch dashboard in one account and region and import the data from the other accounts and regions

B : Create an AWS Lambda function that collects metrics from each account and region and pushes the metrics to the account where the dashboard has been created

C : Create an Amazon CloudTrail trail that applies to all regions and deliver the logs to a single Amazon S3 bucket. Create a dashboard using the data in the bucket

D : Create an Amazon CloudWatch cross-account cross-region dashboard

Answer: D

Question 5

A company runs a popular online game on premises. The application stores players’ results in an in-memory database. The application is being migrated to AWS and the company needs to ensure there is no reduction in performance.

Which database would be MOST suitable?

Options :

A : Amazon Elastic Beanstalk

B : Amazon DynamoDB

C : Amazon RDS

D : Amazon ElastiCache

Answer: D

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