DVA-C02 Exam Dumps - AWS Certified Developer - Associate

Searching for workable clues to ace the Amazon Web Services DVA-C02 Exam? You’re on the right place! ExamCert has realistic, trusted and authentic exam prep tools to help you achieve your desired credential. ExamCert’s DVA-C02 PDF Study Guide, Testing Engine and Exam Dumps follow a reliable exam preparation strategy, providing you the most relevant and updated study material that is crafted in an easy to learn format of questions and answers. ExamCert’s study tools aim at simplifying all complex and confusing concepts of the exam and introduce you to the real exam scenario and practice it with the help of its testing engine and real exam dumps

Go to page:

<< First
Prev
1
2
3
4
5
6
7
8
9
10
Next
Last >>

Question # 4

A developer is building a microservices-based application by using Python on AWS and several AWS services The developer must use AWS X-Ray The developer views the service map by using the console to view the service dependencies. During testing, the developer notices that some services are missing from the service map

What can the developer do to ensure that all services appear in the X-Ray service map?

Modify the X-Ray Python agent configuration in each service to increase the sampling rate

Instrument the application by using the X-Ray SDK for Python. Install the X-Ray SDK for all the services that the application uses

Enable X-Ray data aggregation in Amazon CloudWatch Logs for all the services that the application uses

Increase the X-Ray service map timeout value in the X-Ray console

Full Access

Question # 5

A mobile app stores blog posts in an Amazon DynacnoDB table Millions of posts are added every day and each post represents a single item in the table. The mobile app requires only recent posts. Any post that is older than 48 hours can be removed.

What is the MOST cost-effective way to delete posts that are older man 48 hours?

For each item add a new attribute of type String that has a timestamp that is set to the blog post creation time. Create a script to find old posts with a table scan and remove posts that are order than 48 hours by using the Balch Write ltem API operation. Schedule a cron job on an Amazon EC2 instance once an hour to start the script.

For each item add a new attribute of type. String that has a timestamp that its set to the blog post creation time. Create a script to find old posts with a table scan and remove posts that are Oder than 48 hours by using the Batch Write item API operating. Place the script in a container image. Schedule an Amazon Elastic Container Service (Amazon ECS) task on AWS Far gate that invokes the container every 5 minutes.

For each item, add a new attribute of type Date that has a timestamp that is set to 48 hours after the blog post creation time. Create a global secondary index (GSI) that uses the new attribute as a sort key. Create an AWS Lambda function that references the GSI and removes expired items by using the Batch Write item API operation Schedule me function with an Amazon CloudWatch event every minute.

For each item add a new attribute of type. Number that has timestamp that is set to 48 hours after the blog post. creation time Configure the DynamoDB table with a TTL that references the new attribute.

Full Access

Question # 6

A software company is launching a multimedia application. The application will allow guest users to access sample content before the users decide if they want to create an account to gain full access. The company wants to implement an authentication process that can identify users who have already created an account. The company also needs to keep track of the number of guest users who eventually create an account.

Which combination of steps will meet these requirements? {Select TWO.)

Create an Amazon Cognito user pool. Configure the user pool to allow unauthenticated users. Exchange user tokens for temporary credentials that allow authenticated users to assume a role.

Create an Amazon Cognito identity pool. Configure the identity pool to allow unauthenticated users. Exchange unique identity for temporary credentials that allow all users to assume a role.

Create an Amazon CloudFront distribution. Configure the distribution to allow unauthenticated users. Exchange user tokens for temporary credentials that allow all users to assume a role.

Create a role for authenticated users that allows access to all content. Create a role for unauthenticated users that allows access to only the sample content.

Allow all users to access the sample content by default. Create a role for authenticated users that allows access to the other content.

Full Access

Question # 7

A developer has created a new IAM user that has the s3:PutObject permission to write to a specific Amazon S3 bucket. The S3 bucket uses server-side encryption with AWS KMSâ€“managed keys (SSE-KMS) as the default encryption. When an application uses the access key and secret key of the IAM user to call the PutObject API operation, the application receives an Access Denied error.

What should the developer do to resolve this error?

Update the policy of the IAM user to allow the s3:EncryptionConfiguration action.

Update the bucket policy of the S3 bucket to allow the IAM user to upload objects.

Update the policy of the IAM user to allow the kms:GenerateDataKey action.

Update the ACL of the S3 bucket to allow the IAM user to upload objects.

Full Access

Question # 8

A bookstore has an ecommerce website that stores order information in an Amazon DynamoDB table named BookOrders. The DynamoDB table contains approximately one million records.

The table uses OrderID as a partition key. There are no other indexes.

A developer wants to build a new reporting feature to retrieve all records from the table for a specified customer, based on a CustomerID property.

Create a DynamoDB global secondary index (GSI) on the table. Use CustomerID as the partition key. Use the specified CustomerID value to run a query on the table.

Create a DynamoDB global secondary index (GSI) on the table. Use CustomerID as the sort key. Use a filter expression to perform a scan operation on the table to match on the specified CustomerID value.

Create a DynamoDB local secondary index (LSI) on the table. Use CustomerID as the sort key. Run a PartiQL query on the table with a SELECT statement where CustomerID equals the specified CustomerID value.

Create a DynamoDB local secondary index (LSI) on the table. Use CustomerID as the partition key. Use the specified CustomerID value to run a query on the table.

Full Access