Alexa Skill Builder Specialty

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Topic 1 - Exam A

Question #21 Topic 1

An Alexa Skill Builder needs to have knowledge of the previous prompt that was presented to the user in order to give context to the user's response. How can the Builder accomplish this?

  • A Find the corresponding prompt using the list events feature
  • B Store a reference to the prompt used as a session attribute
  • C Call the Intent Request History API to identify which prompt was used.
  • D Parse the context object from the skill request.
Suggested Answer: B
NOTE: The builder can accomplish this by storing a reference to the prompt used as a session attribute. This way, the builder can access the previous prompt and provide context to the user's response.
Question #22 Topic 1

An Alexa Skill Builder made changes to an AWS Lambda function that is used as the endpoint for a skill. The Builder discovers that the skill now returns an error when it is launched. How can the Builder use the Lambda console to trigger the function and debug the code?

  • A Create a Lambda test event using the JSON request as input to find the specific error within the code.
  • B Create a Lambda test event using the JSON response as output to find the specific error within the code.
  • C Check the JSON response to see if there are any syntax errors in the code.
  • D Create a Lambda test event using the JSON interaction model to find the specific error within the code.
Suggested Answer: A
NOTE: The Builder can use the Lambda console to trigger the function and debug the code by creating a Lambda test event using the JSON request as input. This will help identify the specific error within the code.
Question #23 Topic 1

An Alexa Skill Builder is using Amazon S3 to stream large quantities of static audio and video content throughout the world with an Amazon Alexa skill. Which additional AWS service will help the Builder decrease latency and improve the reliability of the streaming media content for the global audience?

  • A AWS Cloud9
  • B Amazon Kinesis
  • C Amazon Route 53
  • D Amazon CloudFront
Suggested Answer: D
NOTE: The correct answer is D, Amazon CloudFront. Amazon CloudFront is a content delivery network (CDN) service that helps decrease latency and improve the reliability of streaming media content by caching the content at edge locations close to the end users.
Question #24 Topic 1

An Alexa Skill Builder is troubleshooting issues with a custom skill backed by an AWS Lambda function that integrates with an external API controlling a light bulb. The Builder observes that when saying "Alexa, turn on the light" the response is "light is not responding" and 10 seconds later, the light turns on. What is the MOST likely cause for this issue and how can it be solved?

  • A The Lambda function is not executing fast enough. Double the currently specified Lambda memory allocation in the Lambda basic settings section.
  • B The default Lambda function timeout setting is too short and the Lambda function times out before the response from the external API can be processed and a reply can be sent back to Amazon Alexa. Increase the Lambda timeout limit.
  • C There are too many concurrent Lambda functions running, causing the existing Lambda function to block and then time out before a response can be returned to Amazon Alexa. Increase the Lambda function reserve concurrency value to 30, then verify that the function can complete its work within 10 seconds.
  • D There is a bug in the Lambda function code preventing the external API from being called. Enable Lambda debugging and error handling and check Amazon CloudWatch Logs for the error, then modify the code accordingly.
Suggested Answer: B
NOTE: The most likely cause for this issue is that the default Lambda function timeout setting is too short, causing the function to time out before the response from the external API can be processed. To solve this, the builder should increase the Lambda timeout limit.
Question #25 Topic 1

An Alexa Skill Builder is interested in gathering information about returning users. What analytics tool in the developer console would provide the Builder with this information?

  • A Customers
  • B Interaction Path
  • C Sessions
  • D Retention
Suggested Answer: C
NOTE: The analytics tool in the developer console that would provide information about returning users is 'Sessions'
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