CLF-C02 Question Bank · Latest 50 Questions Free Preview (Page 4/5)
Questions 31–40 of the latest 50 CLF-C02 questions (5 pages total), with answers and explanations, no login required. Practice all 2374 questions online.
Question 31 · No. 2355 · Single choice
Which AWS service provides DNS resolution?
- A. Amazon CloudFront
- B. Amazon VPC
- C. Amazon Route 53
- D. AWS Direct Connect
Answer: C
Explanation: The question asks which AWS service provides DNS resolution. Among the options provided, Amazon Route 53 is specifically designed for DNS (Domain Name System) services, including domain registration, DNS query routing, and DNS health checks. Therefore, the correct answer is C.
Question 32 · No. 2356 · Single choice
Which AWS service supports a company's ability to treat infrastructure as code?
- A. AWS CodeDeploy
- B. AWS Elastic Beanstalk
- C. Amazon API Gateway
- D. AWS CloudFormation
Answer: D
Explanation: The question asks about which AWS service supports treating infrastructure as code, and the correct answer is AWS CloudFormation (Option D). AWS CloudFormation allows users to define their infrastructure in templates using JSON or YAML, enabling them to manage and provision resources automatically through code.
Question 33 · No. 2357 · Single choice
A company wants to migrate all of its on-premises infrastructure to the AWS Cloud. Before migration, the company wants estimate of costs for running its as-is infrastructure. Which AWS service or principle should the company use to meet this requirement?
- A. AWS Pricing Calculator
- B. AWS Well-Architected Framework
- C. AWS shared responsibility model
- D. AWS Cloud Adoption Framework (AWS CAF)
Answer: A
Explanation: AWS Pricing Calculator is the service that can be used to estimate the costs of running an as-is infrastructure on AWS. This service allows you to input your current infrastructure details and provides an estimated cost for running it in the AWS Cloud.
Question 34 · No. 2358 · Single choice
A company is planning to migrate a monolithic application to AWS. The company wants to modernize the application by splitting it into microservices. The company will deploy the microservices on AWS. Which migration strategy should the company use?
- A. Rehost
- B. Repurchase
- C. Replatform
- D. Refactor
Answer: D
Question 35 · No. 2359 · Single choice
A cloud practitioner wants to use a highly available and scalable DNS service for its AWS workload. Which AWS service will meet this requirement?
- A. Amazon Route 53
- B. Amazon Lightsail
- C. AWS Amplify Hosting
- D. Amazon S3
Answer: A
Explanation: Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service, which meets the requirement of the question.
Question 36 · No. 2360 · Single choice
Which AWS service can be used to send alerts when a specific Amazon CloudWatch alarm is invoked?
- A. AWS CloudTrail
- B. Amazon Simple Notification Service (Amazon SNS)
- C. Amazon Simple Queue Service (Amazon SQS)
- D. Amazon EventBridge
Answer: B
Explanation: The correct answer is B (Amazon Simple Notification Service (Amazon SNS)) because Amazon SNS can be used to send alerts and notifications when a specific event occurs, such as an alarm being triggered in Amazon CloudWatch.
Question 37 · No. 2361 · Single choice
A company runs an application on AWS that performs batch jobs. The application is fault-tolerant and can handle interruptions. The company wants to optimize the cost to run the application. Which AWS offering will meet these requirements?
- A. Amazon Macie
- B. Amazon Neptune
- C. Amazon EC2 Spot Instances
- D. Amazon EC2 On-Demand Instances
Answer: C
Explanation: Amazon EC2 Spot Instances allow users to bid on spare AWS capacity, which can significantly reduce costs compared to On-Demand instances. Given that the application is fault-tolerant and can handle interruptions, Spot Instances are a suitable choice for cost optimization.
Question 38 · No. 2362 · Multiple choice
Which of the following are AWS best practice recommendations for the use of AWS Identity and Access Management (IAM)? (Choose two.)
- A. Use the AWS account root user for daily access.
- B. Use access keys and secret access keys on Amazon EC2.
- C. Rotate credentials on a regular basis.
- D. Create a shared set of access keys for system administrators.
- E. Configure multi-factor authentication (MFA).
Answer: C, E
Explanation: The correct answers are C and E because rotating credentials on a regular basis and configuring multi-factor authentication (MFA) are best practices for securing access in AWS Identity and Access Management (IAM). Using the AWS account root user for daily access (A) is not recommended as it can expose your account to significant risks. Using access keys and secret access keys on Amazon EC2 (B) is also not advisable as it can lead to security vulnerabilities. Creating a shared set of access keys for system administrators (D) should be avoided due to potential security issues.
Question 39 · No. 2363 · Multiple choice
Which combination of AWS services can be used to move a commercial relational database to an Amazon-managed open-source database? (Choose two.)
- A. AWS Database Migration Service (AWS DMS)
- B. AWS software development kits (SDKs)
- C. AWS Schema Conversion Tool
- D. AWS Systems Manager
- E. Amazon EMR
Answer: A, C
Explanation: 问题要求选择两个AWS服务，这些服务可以用于将商业关系数据库迁移到Amazon托管的开源数据库。选项A（AWS Database Migration Service (AWS DMS)）和选项C（AWS Schema Conversion Tool）是正确的组合，因为AWS DMS可以帮助迁移数据，而AWS Schema Conversion Tool可以转换数据库架构。
Question 40 · No. 2364 · Single choice
A company uses Amazon WorkSpaces. Which task is the responsibility of AWS, according to the AWS shared responsibility model?
- A. Set up multi-factor authentication (MFA) for each WorkSpaces user account.
- B. Ensure the environmental safety and security of the AWS infrastructure that hosts WorkSpaces.
- C. Provide security for WorkSpaces user accounts through AWS Identity and Access Management (IAM).
- D. Configure AWS CloudTrail to log API calls and user activity.
Answer: B
Explanation: 根据AWS共享责任模型，确保托管WorkSpaces的AWS基础架构的安全性是AWS的责任。