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CLD110 Module 8 Knowledge Check

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Question 1

You are designing an eCommerce web application that will scale to hundreds of thousands of concurrent users. Which database technology is best suited to hold session state in this example?

  1. Amazon RDS
  2. Amazon DynamoDB
  3. Amazon Redshift
  4. Amazon S3

Question 2

You need to find an item in an Amazon DynamoDB table using an attribute other than the items primary key. Which of the following operations should you use?

  1. PutItem
  2. Scan
  3. Query
  4. GetItem

Question 3

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

  1. Query a table using the partition key and an optional sort key filter
  2. Query any secondary indexes that exist for a table
  3. Efficiently retrieve items from a table or secondary index
  4. All of the above

Question 4

Which AWS cloud service is best suited for analyzing your data by using standard structured query language SQL and your existing business intelligent tools?

  1. Amazon RDS
  2. Amazon S3 Glacier
  3. Amazon DynamoDB
  4. Amazon Redshift

Question 5

In Amazon DynamoDB an attribute is <blank>.

  1. A fundamental data statement
  2. A collection of items
  3. A collection of attributs

Question 6

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

  1. Amazon RDS
  2. Amazon ElastiCache
  3. Amazon DynamoDB
  4. Amazon Redshift

Question 7

Which of the following use cases is appropriate for using Amazon RDS?

  1. Massive read/wright rates
  2. Simple GET or PUT requests
  3. Complex transactions
  4. All of the above

Question 8

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

  1. Amazon DynamoDB
  2. Amazon Redshift
  3. Amazon RDS
  4. Amazon Aurora

Question 9

True or False? Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention and enabling point-in-time recovery.

  1. True
  2. False

Question 10

What should you consider when choosing a database type?

  1. Data size
  2. Data access period
  3. Query frequency
  4. Highly available
  5. All of the above

Created 17 February 2025 by Dennis Kibbe. Last modified $Date: 2025/02/18 09:19:11 $ by $Author: dnk $.