AWS CLOUD: SECTION 4 EXAM QUESTIONS

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AWS CLOUD: SECTION 4 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -40 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern?

Answer:

Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.Question 2: You need to find an item in an Amazon DynamoDB table using an attribute other than the item's primary key. Which of the following operations should you use?

Answer:

Scan

Question 3: What is included in an Amazon Machine Image (AMI)?

Answer:

All of the above.Question 4: True or False? By default, all data stored in Amazon S3 is viewable by the public.

Answer:

False

Question 5: In Amazon DynamoDB, what does the query operation enable you to do?

Answer:

All of the above.Question 6: What is the service provided by AWS that enables developers to easily deploy and manage applications in the cloud?

Answer:

AWS Elastic Beanstalk Question 7: A company wants to migrate some legacy applications to the AWS cloud. After migration, the engineering manager wants the developers to be able to run their code and deploy applications faster without worrying about provisioning or managing servers.Which compute service will allow the developers to set triggers for when the code executes?

Answer:

AWS Lambda

Question 8: True or False? Containers contain an entire operating system.

Answer:

False Question 9: A company has an application, which consists of a .NET layer that connects to a MySQL database. They want to move this application on to AWS and use AWS features such as high availability and automated backups. Which of the following would be and ideal database for this use case?

Answer:

Amazon Aurora Question 10: Which of the following are features of Amazon Elastic Block Store (Amazon EBS)?

Answer:

Amazon EBS volumes can be encrypted transparently to workloads on the attached instance, and Data stored on Amazon EBS is automatically replicated within and Availability Zone.Question 11: A cloud consultant for a global media company wants to harness the power of the cloud for delivering high quality video and audio streams to customers around the world.Which Amazon EC2 instance type is best suited for deploying the company's video encoding systems to effectively scale its services?

Answer:

Compute optimized instances

Question 12: If you are developing an application that requires a database with extremely fast performance, fast scalability, and flexibility in the database schema, what should you consider?

Answer:

Amazon DynamoDB Question 13: Which AWS Cloud service is best suited for analyzing your data by using standard structured query language (SQL) and your existing business intelligence (BI) tools?

Answer:

Amazon Redshift

Question 14: Regarding Amazon S3 Glacier, what is a Vault?

Answer:

A container for storing archives.Question 15: A commercial shipping company using MySQL database on-premises wants to migrate its database to the AWS cloud. The company wants a database service that is compatible with MySQL, has automatic failover and data backups by default, and can instantly recover if the primary database crashes and becomes unhealthy.Which database solution best meets the company's requirements?

Answer:

Amazon Aurora Question 16: Which of these can be used as a storage class for an S3 object lifecycle policy?

Answer:

Simple Storage Service Glacier, S3 - Standard Access, S3 - Infrequent Access.Question 17: A startup media company is using an on-premises database but has plans to migrate its workloads to the cloud. In the meantime, the company wants to store its on-premises database snapshots and server logs in the AWS cloud.Which storage solution meets this requirement if the database size and the server logs are 3TB and 2TB respectively?

Answer:

Amazon Simple Storage Service (S3)

Question 18: An e-commerce company uses Amazon RDS MySQL multi-AZ database instance for storing its transactional data. Other applications query this database instance to fetch the data needed for their own processing. However, the RDS MySQL database slows down extremely when other applications request data from the database instance. This affects the e-commerce website read and write performance, resulting in poor response times for website visitors.How can the company reduce the load on the RDS MySQL database and improve the overall performance?

Answer:

Add a read replica to the RDS MySQL database.Question 19: True or False? Amazon Simple Storage Service (Amazon S3) is an object storage suitable for the storage of flat files like Microsoft Word documents, photos, etc.

Answer:

True Question 20: Which Amazon EC2 option is best for long-term workloads with predictable usage patterns?

Answer:

Reserved Instances

Question 21: In Amazon DynamoDB, an attribute is...

Answer:

a fundamental data element Question 22: A solutions architect for a law firm wants to create a storage system for archiving multiple clients' case files. The files are critical for audit and compliance, and multiple EC2 instances must be able to access the files simultaneously.Which solution should the solutions architect choose to meet this requirement?

Answer:

Amazon Elastic File System (EFS) Question 23: A cloud solutions architect has been asked to design a consistent, single-digit millisecond database solution for a high volume multiplayer game application. The database must be able to handle several millions of queries per second and have consistent performance as game application grows.Which database solution is best suited for this scenario?

Answer:

AmazonDynamoDB