AWS Certified Developer Associate Practice Exam Part 2 Quiz Format
iam.awslagi2020-09-14T10:16:42+07:00Notes: Hi all, AWS Certified Developer Associate Practice Exam will familiarize you with types of questions you may encounter on the certification exam and help you determine your readiness or if you need more preparation and/or experience. Successful completion of the practice exam does not guarantee you will pass the certification exam as the actual exam is longer and covers a wider range of topics.
We highly recommend you should take AWS Certified Developer Associate Associate Guarantee Part because it include real questions and highlighted answers are collected in our exam. It will help you pass exam in easier way.
For PDF Version:
For Audio Version: https://www.youtube.com/playlist?list=PLRfkgcv2GPKMdTtuG7O1s-eJJoE-o9h0h
Part 1: https://www.awslagi.com/aws-certified-developer-associate-dva-c01-part-1-quiz
Part 2: https://www.awslagi.com/aws-certified-developer-associate-dva-c01-part-2-quiz
Part 3: https://www.awslagi.com/aws-certified-developer-associate-dva-c01-part-3-quiz
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DVA-C01-41-80
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- Question 1 of 40
1. Question
A Developer has created a Lambda function and is finding that the function is taking longer to complete than expected. After some debugging, the Developer has discovered that increasing compute capacity would improve performance. How can the Developer increase the Lambda compute resources?
CorrectIncorrectHint
Hint Answer: D
- Question 2 of 40
2. Question
A Developer is writing a mobile application that allows users to view images from an S3 bucket. The users must be able to log in with their Amazon login, as well as Facebook and/or Google accounts. How can the Developer provide this authentication functionality?
CorrectIncorrectHint
Hint Answer: A
- Question 3 of 40
3. Question
A company maintains a REST service using Amazon API Gateway and the API Gateway native API key validation. The company recently launched a new registration page, which allows users to sign up for the service. The registration page creates a new API key using CreateApiKey and sends the new key to the user. When the user attempts to call the API using this key, the user receives a 403 Forbidden error. Existing users are unaffected and can still call the API. What code updates will grant these new users access to the API?
CorrectIncorrectHint
Hint Answer: C
- Question 4 of 40
4. Question
A company has an application that logs all information to Amazon S3. Whenever there is a new log file, an AWS Lambda function is invoked to process the log files. The code works, gathering all of the necessary information. However, when checking the Lambda function logs, duplicate entries with the same request ID are found. What is causing the duplicate entries?
CorrectIncorrectHint
Hint Answer: B
- Question 5 of 40
5. Question
A nightly batch job loads 1 million new records into a DynamoDB table. The records are only needed for one hour, and the table needs to be empty by the next night’s batch job. Which is the MOST efficient and cost-effective method to provide an empty table?
CorrectIncorrectHint
Hint Answer: D
- Question 6 of 40
6. Question
A Developer wants access to make the log data of an application running on an EC2 instance available to systems administrators. Which of the following enables monitoring of this metric in Amazon CloudWatch?
CorrectIncorrectHint
Hint Answer: D
- Question 7 of 40
7. Question
A Development team has pushed out 10 applications running on several Amazon EC2 instances. The Operations team is asking for a graphical representation of one key performance metric for each application. These metrics should be available on one screen for easy monitoring. Which steps should the Developer take to accomplish this using Amazon CloudWatch?
CorrectIncorrectHint
Hint Answer: B
- Question 8 of 40
8. Question
A Developer is creating a serverless website with content that includes HTML files, images, videos, and JavaScript (client-side scripts). Which combination of services should the Developer use to create the website?
CorrectIncorrectHint
Hint Answer: A
- Question 9 of 40
9. Question
A company is providing services to many downstream consumers. Each consumer may connect to one or more services. This has resulted in a complex architecture that is difficult to manage and does not scale well. The company needs a single interface to manage these services to consumers. Which AWS service should be used to refactor this architecture?
CorrectIncorrectHint
Hint Answer: D
- Question 10 of 40
10. Question
A company uses Amazon DynamoDB for managing and tracking orders. The DynamoDB table is partitioned based on the order date. The company receives a huge increase in orders during a sales event, causing DynamoDB writes to throttle, and the consumed throughput is far below the provisioned throughput. According to AWS best practices, how can this issue be resolved with MINIMAL costs?
CorrectIncorrectHint
Hint Answer: C
- Question 11 of 40
11. Question
A company has three different environments: Development, QA, and Production. The company wants to deploy its code first in the Development environment, then QA, and then Production. Which AWS service can be used to meet this requirement?
CorrectIncorrectHint
Hint Answer: C
- Question 12 of 40
12. Question
A company is creating an application that will require users to access AWS services and allow them to reset their own passwords. Which of the following would allow the company to manage users and authorization while allowing users to reset their own passwords?
CorrectIncorrectHint
Correct Answer: D
- Question 13 of 40
13. Question
An application that runs on an Amazon EC2 instance needs to access and make API calls to multiple AWS services. What is the MOST secure way to provide access to the AWS services with MINIMAL management overhead?
CorrectIncorrectHint
Hint Answer: B
- Question 14 of 40
14. Question
In a multi-container Docker environment in AWS Elastic Beanstalk, what is required to configure container instances in the environment?
CorrectIncorrectHint
Hint Answer: A
- Question 15 of 40
15. Question
A Development team currently supports an application that uses an in-memory store to save accumulated game results. Individual results are stored in a database. As part of migrating to AWS, the team needs to use automatic scaling. The team knows this will yield inconsistent results. Where should the team store these accumulated game results to BEST allow for consistent results without impacting performance?
CorrectIncorrectHint
Hint Answer: C
- Question 16 of 40
16. Question
A company has a multi-tiered web application on AWS. During a recent spike in traffic, one of the primary relational databases on Amazon RDS could not serve all the traffic. Some read queries for repeatedly accessed items failed, so users received error messages. What can be done to minimize the impact on database read queries MOST efficiently during future traffic spikes?
CorrectIncorrectHint
Hint Answer: D
- Question 17 of 40
17. Question
A company has a website that is developed in PHP and WordPress and is launched using AWS Elastic Beanstalk. There is a new version of the website that needs to be deployed in the Elastic Beanstalk environment. The company cannot tolerate having the website offline if an update fails. Deployments must have minimal impact and rollback as soon as possible. What deployment method should be used?
CorrectIncorrectHint
Hint Answer: D
- Question 18 of 40
18. Question
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?
CorrectIncorrectHint
Hint Answer: D
- Question 19 of 40
19. Question
A Developer is creating an AWS Lambda function to process a stream of data from an Amazon Kinesis Data Stream. When the Lambda function parses the data and encounters a missing field, it exits the function with an error. The function is generating duplicate records from the Kinesis stream. When the Developer looks at the stream output without the Lambda function, there are no duplicate records. What is the reason for the duplicates?
CorrectIncorrectHint
Hint Answer: C
- Question 20 of 40
20. Question
A Developer must build an application that uses Amazon DynamoDB. The requirements state that items being stored in the DynamoDB table will be 7KB in size and that reads must be strongly consistent. The maximum read rate is 3 items per second, and the maximum write rate is 10 items per second. How should the Developer size the DynamoDB table to meet these requirements?
CorrectIncorrectHint
Hint Answer: B
- Question 21 of 40
21. Question
An AWS Lambda function must read data from an Amazon RDS MySQL database in a VPC and also reach a public endpoint over the internet to get additional data. Which steps must be taken to allow the function to access both the RDS resource and the public endpoint? (Select TWO.)
CorrectIncorrectHint
Hint Answer: C D
- Question 22 of 40
22. Question
A Developer writes an AWS Lambda function and uploads the code in a .ZIP file to Amazon S3. The Developer makes changes to the code and uploads a new .ZIP file to Amazon S3. However, Lambda executes the earlier code. How can the Developer fix this in the LEAST disruptive way?
CorrectIncorrectHint
Hint Answer: B
- Question 23 of 40
23. Question
A company is developing an application that will run on several Amazon EC2 instances in an Auto Scaling group and can access a database running on Amazon EC2. The application needs to store secrets required to connect to the database. The application must allow for periodic secret rotation, and there should be no changes to the application when a secret changes. What is the SAFEST way to meet these requirements?
CorrectIncorrectHint
Hint Answer: A
- Question 24 of 40
24. Question
A Developer needs to design an application running on AWS that will be used to consume Amazon SQS messages that range from 1 KB up to 1GB in size. How should the Amazon SQS messages be managed?
CorrectIncorrectHint
Correct Answer: A
- Question 25 of 40
25. Question
A Developer has been asked to make changes to the source code of an AWS Lambda function. The function is managed using an AWS CloudFormation template. The template is configured to load the source code from an Amazon S3 bucket. The Developer manually created a .ZIP file deployment package containing the changes and put the file into the correct location on Amazon S3. When the function is invoked, the code changes have not been applied. What step is required to update the function with the changes?
CorrectIncorrectHint
Hint Answer: A
- Question 26 of 40
26. Question
An AWS Elastic Beanstalk application needs to be deployed in multiple regions and requires a different Amazon Machine Image (AMI) in each region. Which AWS CloudFormation template key can be used to specify the correct AMI for each region?
CorrectIncorrectHint
Correct Answer: C
- Question 27 of 40
27. Question
A Developer is designing a new application that uses Amazon S3. To satisfy compliance requirements, the Developer must encrypt the data at rest. How can the Developer accomplish this?
CorrectIncorrectHint
Hint Answer: D
- Question 28 of 40
28. Question
A Developer wants to enable AWS X-Ray for a secure application that runs in an Amazon ECS environment. What combination of steps will enable X-Ray? (Select THREE.)
CorrectIncorrectHint
Hint Answer: A E F
- Question 29 of 40
29. Question
A Developer must deploy a new AWS Lambda function using an AWS CloudFormation template. Which procedures will deploy a Lambda function? (Select TWO.)
CorrectIncorrectHint
Hint Answer: A B
- Question 30 of 40
30. Question
A Developer has published an update to an application that is served to a global user base using Amazon CloudFront. After deploying the application, users are not able to see the updated changes. How can the Developer resolve this issue?
CorrectIncorrectHint
Hint Answer: C
- Question 31 of 40
31. Question
A Developer wants to find a list of items in a global secondary index from an Amazon DynamoDB table. Which DynamoDB API call can the Developer use in order to consume the LEAST number of read capacity units?
CorrectIncorrectHint
Hint Answer: C
- Question 32 of 40
32. Question
An AWS Lambda function generates a 3MB JSON file and then uploads it to an Amazon S3 bucket daily. The file contains sensitive information, so the Developer must ensure that it is encrypted before uploading to the bucket. Which of the following modifications should the Developer make to ensure that the data is encrypted before uploading it to the bucket?
CorrectIncorrectHint
Hint Answer: C
- Question 33 of 40
33. Question
A company needs to secure its existing website running behind an Elastic Load Balancer. The website’s Amazon EC2 instances are CPU-constrained. What should be done to secure the website while not increasing the CPU load on the EC2 web servers? (Select TWO.)
CorrectIncorrectHint
Hint Answer: B E
- Question 34 of 40
34. Question
How should custom libraries be utilized in AWS Lambda?
CorrectIncorrectHint
Hint Answer: B
- Question 35 of 40
35. Question
In a move toward using microservices, a company’s Management team has asked all Development teams to build their services so that API requests depend only on that service’s data store. One team is building a Payments service which has its own database; the service needs data that originates in the Accounts database. Both are using Amazon DynamoDB. What approach will result in the simplest, decoupled, and reliable method to get near-real time updates from the Accounts database?
CorrectIncorrectHint
Hint Answer: D
- Question 36 of 40
36. Question
A Developer is designing a fault-tolerant environment where client sessions will be saved. How can the Developer ensure that no sessions are lost if an Amazon EC2 instance fails?
CorrectIncorrectHint
Hint Answer: C
- Question 37 of 40
37. Question
A Developer is writing an imaging micro service on AWS Lambda. The service is dependent on several libraries that are not available in the Lambda runtime environment. Which strategy should the Developer follow to create the Lambda deployment package?
CorrectIncorrectHint
Hint Answer: A
- Question 38 of 40
38. Question
A Developer is writing a serverless application that requires that an AWS Lambda function be invoked every 10 minutes. What is an automated and serverless way to trigger the function?
CorrectIncorrectHint
Hint Answer: C
- Question 39 of 40
39. Question
A company needs a fully-managed source control service that will work in AWS. The service must ensure that revision control synchronizes multiple distributed repositories by exchanging sets of changes peer-to-peer. All users need to work productively even when not connected to a network. Which source control service should be used?
CorrectIncorrectHint
Hint Answer: C
- Question 40 of 40
40. Question
An application running on Amazon EC2 instances must access objects within an Amaon S3 busket that are encrypted using server-side encryption using AWS KMS encryption keys (SSEKMS). The application must have access to the customer master key (CMK) to decrypt the objects. Which combination of steps will grant the application access? (Select TWO.)
CorrectIncorrectHint
Hint Answer: B E
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