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AWS DVA-C01 Exam Summary
Exam Name
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AWS Developer Associate (AWS-CDA)
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Exam Code
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DVA-C01
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Duration
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130 minutes
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Number of Questions
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65
|
Recommended Training / Books
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Developing on AWS
|
Schedule Exam
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AWS Certification
|
Sample Questions
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AWS DVA-C01 Sample Questions
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Recommended Practice
|
AWS Certified Developer - Associate Practice Test
|
AWS Certified Developer Associate
DEMO Questions
Question #:1
A company maintains an application responsible for processing several thousand external callbacks each day.
The company’s System administrators want to know how many callbacks are being received on a rolling basis, and they want this data available for 10 days. The company also wants the ability to issue automated alerts if the number of callbacks exceeds the defined thresholds.
What is the MOST cost-effective way to address the need to track and alert on these statistics?
A. Push callback data to an Amazon RDS database that can be queried to show historical data and to alert on exceeded thresholds.
B. Push callback data to AWS X-Ray and use AWS Lambda to query, display, and alert on exceeded thresholds.
C. Push callback data to Amazon Kinesis Data Streams and invoke an AWS Lambda function that stores data in Amazon DynamoDB and sends the required alerts.
D. Push callback data to Amazon CloudWatch as a custom metric and use the CloudWatch alerting mechanisms to alert System Administrators.
Answer: C
Question #:2
A supplier is writing a new RESTful API for customers to query the status of orders. The customers requested the following API endpoint.
http://www.supplierdomain.com/status/customerID
Which of the following application designs meet the requirements? (Select two.)
A. Amazon SQS; Amazon SNS
B. Elastic Load Balancing; Amazon EC2
C. Amazon ElastiCache; Amazon Elacticsearch Service
D. Amazon API Gateway; AWS Lambda
E. Amazon S3; Amazon CloudFront
Answer: D E
Question #:3
A Developer is asked to implement a caching layer in front of Amazon RDS. Cached content is expensive to regenerate in case of service failure. Which implementation below would work while maintaining maximum uptime?
A. Implement Amazon ElastiCache Redis in Cluster Mode
B. Install Redis on an Amazon EC2 instance.
C. Implement Amazon ElastiCache Memcached.
D. Migrate the database to Amazon Redshift.
Answer: A
Question #:4
A Developer is creating a mobile application with a limited budget. The solution requires a scalable service that will enable customers to sign up and authenticate into the mobile application while using the organization’s current SAML 2.0 identity provider.
Which AWS service should be used to meet these requirements?
A. AWS Lambda
B. Amazon Cognito
C. AWS IAM
D. Amazon EC2
Answer: B
Question #:5
A static website is hosted in an Amazon S3 bucket. Several HTML pages on the site use JavaScript to download images from another Amazon S3 bucket. These images are not displayed when users browse the site.
What is the possible cause for the issue?
A. The referenced Amazon S3 bucket is in another region.
B. The images must be stored in the same Amazon S3 bucket.
C. Port 80 must be opened on the security group in which the Amazon S3 bucket is located.
D. Cross Origin Resource Sharing must be enabled on the Amazon S3 bucket.
Answer: D
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