Amazon CLF-C02 Online Practice Questions and Exam Preparation

Amazon CLF-C02 Online Questions & Answers

• Question 621:

  A company needs a data warehouse for analytical workloads. The data warehouse must support standard SQL queries.

  Which AWS service meets these requirements?

  A. Amazon EMR
  B. Amazon Athena
  C. Amazon Redshift
  D. Amazon HDS
  C. Amazon Redshift

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  Explanation

• Question 622:

  A company wants to create a chatbot and integrate the chatbot with its current web application.

  Which AWS service will meet these requirements?

  A. AmazonKendra
  B. Amazon Lex
  C. AmazonTextract
  D. AmazonPolly
  B. Amazon Lex

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  Explanation

  The AWS service that will meet the requirements of the company that wants to create a chatbot and integrate the chatbot with its current web application is Amazon Lex. Amazon Lex is a service that helps customers build conversational interfaces using voice and text. The company can use Amazon Lex to create a chatbot that can understand natural language and respond to user requests, using the same deep learning technologies that power Amazon Alexa. Amazon Lex also provides easy integration with other AWS services, such as Amazon Comprehend, Amazon Polly, and AWS Lambda, as well as popular platforms, such as Facebook Messenger, Slack, and Twilio. Amazon Lex helps customers create engaging and interactive chatbots for their web applications. Amazon Kendra, Amazon Textract, and Amazon Polly are not the best services to use for this purpose. Amazon Kendra is a service that helps customers provide accurate and natural answers to natural language queries using machine learning. Amazon Textract is a service that helps customers extract text and data from scanned documents using optical character recognition (OCR) and machine learning. Amazon Polly is a service that helps customers convert text into lifelike speech using deep learning. These services are more useful for different types of natural language processing and generation tasks, rather than creating and integrating chatbots.

• Question 623:

  A company requires an isolated environment within AWS for security purposes. Which action can be taken to accomplish this?

  A. Create a separate Availability Zone to host the resources.
  B. Create a separate VPC to host the resources.
  C. Create a placement group to host the resources.
  D. Create an AWS Direct Connect connection between the company and AWS.
  B. Create a separate VPC to host the resources.

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  Explanation

  Network isolation A virtual private cloud (VPC) is a virtual network in your own logically isolated area in the AWS Cloud. Use separate VPCs to isolate infrastructure by workload or organizational entity. A subnet is a range of IP addresses in a VPC. When you launch an instance, you launch it into a subnet in your VPC. Use subnets to isolate the tiers of your application (for example, web, application, and database) within a single VPC. Use private subnets for your instances if they should not be accessed directly from the internet. To call the Amazon EC2 API from your VPC without sending traffic over the public internet, use AWS PrivateLink. https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/infrastructure-security.html

• Question 624:

  Which AWS Cloud design principle is a company using when the company implements AWS CloudTrail?

  A. Activate traceability.
  B. Use serverless compute architectures.
  C. Perform operations as code.
  D. Go global in minutes.
  A. Activate traceability.

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  Explanation

  By implementing AWS CloudTrail, a company is adhering to the AWS Cloud design principle of activating traceability. AWS CloudTrail provides detailed logs of all API calls made in an AWS account, which helps monitor, troubleshoot, and detect unusual activity, thereby improving security and compliance. This supports the principle of "activating traceability" by enabling continuous monitoring and auditing of all actions and changes within the AWS environment.

  B. Use serverless compute architectures: Incorrect, as this principle encourages the use of managed services that handle infrastructure, such as AWS Lambda, and is not directly related to CloudTrail.

  C. Perform operations as code: Incorrect, as this principle emphasizes the use of code and automation for infrastructure management.

  D. Go global in minutes: Incorrect, as this principle relates to the global deployment of applications and services.

• Question 625:

  A company has deployed a web application to Amazon EC2 instances. The EC2 instances have low usage. Which AWS service or feature should the company use to rightsize the EC2 instances?

  A. AWS Config
  B. AWS Cost Anomaly Detection
  C. AWS Budgets
  D. AWS Compute Optimizer
  D. AWS Compute Optimizer

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  Explanation

  Understanding AWS Compute Optimizer: AWS Compute Optimizer is a service that analyzes the configuration and utilization metrics of your AWS resources. It provides recommendations to help you select the optimal configurations for your

  workloads.

  Why AWS Compute Optimizer for Rightsizing:

  How to Implement AWS Compute Optimizer:

  References:

  AWS Compute Optimizer

• Question 626:

  Which of the following is available to a company that has an AWS Business Support plan?

  A. AWS Support concierge
  B. AWS DDoS Response Team (DRT)
  C. AWS technical account manager (TAM)
  D. AWS Health API
  D. AWS Health API

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  Explanation

  AWS Health API is available to a company that has an AWS Business Support plan. The AWS Health API provides programmatic access to the AWS Health information that is presented in the AWS Personal Health Dashboard. The AWS Health API can help users get timely and personalized information about events that can affect the availability and performance of their AWS resources, such as scheduled maintenance, network issues, or service disruptions. The AWS Health API can also integrate with other AWS services, such as Amazon CloudWatch Events and AWS Lambda, to enable automated actions and notifications. AWS Health API OverviewAWS Support Plans

• Question 627:

  Which tasks are customer responsibilities according to the AWS shared responsibility model? (Select TWO.)

  A. Determine application dependencies with operating systems.
  B. Provide user access with AWS Identity and Access Management (IAM).
  C. Secure the data center in an Availability Zone.
  D. Patch the hypervisor.
  E. Provide network availability in Availability Zones.
  B. Provide user access with AWS Identity and Access Management (IAM).

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  Explanation

  The correct answer to the question is B because providing user access with AWS Identity and Access Management (IAM) is a customer responsibility according to the AWS shared responsibility model. The AWS shared responsibility model is a framework that defines the division of responsibilities between AWS and the customer for security and compliance. AWS is responsible for the security of the cloud, which includes the global infrastructure, such as the regions, availability zones, and edge locations; the hardware, software, networking, and facilities that run the AWS services; and the virtualization layer that separates the customer instances and storage. The customer is responsible for the security in the cloud, which includes the customer data, the guest operating systems, the applications, the identity and access management, the firewall configuration, and the encryption. IAM is an AWS service that enables customers to manage access and permissions to AWS resources and services. Customers are responsible for creating and managing IAM users, groups, roles, and policies, and ensuring that they follow the principle of least privilege.

  AWS Shared Responsibility Model

• Question 628:

  Which of the following is a benefit of operating in the AWS Cloud?

  A. The ability to migrate on-premises network devices to the AWS Cloud
  B. The ability to expand compute, storage, and memory when needed
  C. The ability to host custom hardware in the AWS Cloud
  D. The ability to customize the underlying hypervisor layer for Amazon EC2
  B. The ability to expand compute, storage, and memory when needed

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  Explanation

  One of the benefits of operating in the AWS Cloud is the ability to expand compute, storage, and memory when needed, which enables users to scale their applications and resources up or down based on demand. This also helps users optimize their costs and performance. The ability to migrate on-premises network devices to the AWS Cloud, the ability to host custom hardware in the AWS Cloud, and the ability to customize the underlying hypervisor layer for Amazon EC2 are not benefits of operating in the AWS Cloud, as they are either not possible or not recommended by AWS .

• Question 629:

  Which AWS services can a company use to achieve a loosely coupled architecture? (Choose two.)

  A. Amazon WorkSpaces
  B. Amazon Simple Queue Service (Amazon SQS)
  C. Amazon Connect
  D. AWS Trusted Advisor
  E. AWS Step Functions
  B. Amazon Simple Queue Service (Amazon SQS)
  D. AWS Trusted Advisor

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  Explanation

  Amazon Simple Queue Service (Amazon SQS) and AWS Step Functions are AWS services that can be used to achieve a loosely coupled architecture. Amazon SQS is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. AWS Step Functions lets you coordinate multiple AWS services into serverless workflows so you can build and update apps quickly. Using Step Functions, you can design and run workflows that stitch together services such as AWS Lambda and Amazon SNS into feature-rich applications.

  References: Amazon SQS, AWS Step Functions

• Question 630:

  A company wants to run a graph query that provides credit card users' names, addresses, and transactions. The company wants the graph to show if the names, addresses, and transactions indicates possible fraud. Which AWS database service will meet these requirements?

  A. Amazon DocumentDB (with MongoDB compatibility)
  B. Amazon Timestream
  C. Amazon DynamoDB
  D. Amazon Neptune
  D. Amazon Neptune

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  Explanation