Free AWS Cloud Essentials Questions and Answers 1 — Questions and Answers

Question 1: Which service enables you to lessen the complexity and development time of machine learning (ML)?

AWS SageMaker (Correct answer)
AWS Elastic Beanstalk
AWS Lex
AWS Redshift

Correct answer: AWS SageMaker

AWS SageMaker is a fully managed service that provides every developer and data scientist with the ability to build, train, and deploy machine learning (ML) models quickly. It significantly reduces the complexity and development time of ML projects by offering a comprehensive set of tools and services. This allows users to focus on model development rather than managing underlying infrastructure.

Question 2: What can you do with the AWS Marketplace?

AWS Marketplace lets you list and sell software (Correct answer)
AWS Marketplace lets you list all AWS Cloud Services
AWS Marketplace lets you see the cost analysis of all AWS Cloud Services

Correct answer: AWS Marketplace lets you list and sell software

The AWS Marketplace is a digital catalog where customers can find, buy, and immediately start using third-party software and services that run on AWS. It allows independent software vendors (ISVs) to list and sell their software solutions to AWS customers. This provides a convenient platform for both buyers and sellers of cloud-based software, streamlining procurement and deployment.

Question 3: What can the AWS DynamoDB Accelerator do?

Expedites the visualization of graphs
Improves read times of non-relational data (Correct answer)
Improves write times of documents
Improves read times of relational data

Correct answer: Improves read times of non-relational data

AWS DynamoDB Accelerator (DAX) is an in-memory caching service specifically designed to improve the read performance of Amazon DynamoDB tables. It provides microsecond response times for millions of requests per second, even for eventually consistent reads. DAX is ideal for applications that require high-performance reads from non-relational DynamoDB databases, significantly reducing latency.

Question 4: Which AWS database service provides historical information about changes to your application?

AWS DocumentDB
AWS Quantum Ledger Database (Correct answer)
AWS Neptune
AWS ElastiCache

Correct answer: AWS Quantum Ledger Database

AWS Quantum Ledger Database (QLDB) is a fully managed ledger database that provides a transparent, immutable, and cryptographically verifiable transaction log owned by a central trusted authority. It tracks every application data change and maintains a complete, verifiable history of all modifications. This makes it ideal for applications requiring a trusted and auditable record of data changes, such as financial transactions.

Question 5: What is the name of the service that enables server-free code execution?

AWS Lambda (Correct answer)
AWS ECS
AWS Serverless
AWS EC2 Auto Scaling

Correct answer: AWS Lambda

AWS Lambda is a serverless compute service that lets you run code without provisioning or managing servers. You simply upload your code, and Lambda automatically handles all the underlying infrastructure, scaling, and maintenance. This allows developers to focus solely on writing code, paying only for the compute time consumed, embodying the serverless paradigm.

Question 6: Which software enables you to control and visualize your AWS costs?

AWS Budgets
AWS Price Calculator
AWS Cost Explorer (Correct answer)

Correct answer: AWS Cost Explorer

AWS Cost Explorer is a service that provides an intuitive interface to visualize, understand, and manage your AWS costs and usage over time. It allows you to analyze your spending patterns, identify cost drivers, and forecast future costs. This tool is essential for gaining insights into your AWS expenditure and optimizing your cloud budget, helping to control and reduce costs.

Question 7: Which AWS service enables the development of text chatbots?

Amazon Transcribe
Amazon Comprehend
Amazon Polly
Amazon Lex (Correct answer)

Correct answer: Amazon Lex

Amazon Lex is a service for building conversational interfaces into any application using voice and text. It provides the advanced deep learning functionalities of automatic speech recognition (ASR) for converting speech to text and natural language understanding (NLU) to recognize the intent of the text. This makes it the ideal service for developing intelligent chatbots and virtual assistants.

Free AWS Cloud Essentials Questions and Answers 1

Which service enables you to lessen the complexity and development time of machine learning (ML)?