Amazon CLF-C02 Practice Test - Questions Answers, Page 43
List of questions
Question 421
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Which AWS service provides encryption at rest for Amazon RDS and for Amazon Elastic Block Store (Amazon EBS) volumes?
Explanation:
AWS Key Management Service (AWS KMS) is a managed service that enables you to easily encrypt your data. AWS KMS provides you with centralized control of the encryption keys used to protect your data. You can use AWS KMS to encrypt data in Amazon RDS and Amazon EBS volumes12
Question 422
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Which task can only an AWS account root user perform?
Explanation:
The AWS account root user is the email address that you use to sign up for AWS. The root user has complete access to all AWS services and resources in the account. The root user can perform tasks that only the root user can do, such as changing the AWS Support plan, closing the account, and restoring IAM user permissions34
Question 423
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A company is considering migration to the AWS Cloud. The company wants a fully managed service or feature that can transfer streaming data from multiple sources to an Amazon S3 bucket.
Which AWS service or feature should the company use to meet these requirements?
Explanation:
Amazon Kinesis Data Firehose is a fully managed service that delivers real-time streaming data to destinations such as Amazon S3, Amazon Redshift, Amazon Elasticsearch Service, and Splunk. You can use Amazon Kinesis Data Firehose to capture, transform, and load streaming data from multiple sources, such as web applications, mobile devices, IoT sensors, and social media.
Question 424
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Which Amazon S3 storage class is the MOST cost-effective for long-term storage?
Explanation:
Amazon S3 Glacier Deep Archive is the lowest-cost storage class in the cloud. It is designed for longterm data archiving that is rarely accessed. It offers a retrieval time of 12 hours and a durability of 99.999999999% (11 9's). It is ideal for data that must be retained for 7 years or longer to meet regulatory compliance requirements.
Question 425
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A company is launching a mobile app. The company wants customers to be able to use the app without upgrading their mobile devices.
Which pillar of the AWS Well-Architected Framework does this goal represent?
Explanation:
Cost optimization is one of the five pillars of the AWS Well-Architected Framework. It focuses on avoiding unnecessary costs, understanding and controlling where money is being spent, selecting the most appropriate and right number of resource types, analyzing spend over time, and scaling to meet business needs without overspending.
Question 426
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Which AWS service can a company use to find security and compliance reports, including International Organization for Standardization (ISO) reports?
Explanation:
AWS Artifact is a self-service portal that provides on-demand access to AWS security and compliance reports and select online agreements. You can use AWS Artifact to download AWS service audit reports, such as ISO, PCI, and SOC, and to accept and manage agreements with AWS, such as the Business Associate Addendum (BAA).
Question 427
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Which database engines does Amazon Aurora support? (Select TWO.)
Explanation:
Amazon Aurora is a relational database service that is compatible with MySQL and PostgreSQL engines. It delivers up to five times the performance of MySQL and up to three times the performance of PostgreSQL. It also provides high availability, scalability, security, and durability1
Question 428
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A company's headquarters is located on a different continent from where the majority of the company's customers live. The company wants an AWS Cloud environment setup that will provide the lowest latency to the customers.
A company wants to automate the creation of new AWS accounts and automatically prevent all users from creating Amazon EC2 instances.
Which AWS service provides this functionality?
Explanation:
AWS Organizations is a service that enables you to create and manage multiple AWS accounts centrally. You can use AWS Organizations to automate account creation, apply policies to control access and permissions, and consolidate billing across your accounts. You can also use AWS Organizations to prevent users from creating Amazon EC2 instances in certain regions or with certain configurations2
Question 429
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A company needs to set up user authentication for a new application. Users must be able to sign in directly with a user name and password, or through a third-party provider.
Which AWS service should the company use to meet these requirements?
Explanation:
Amazon Cognito is a service that provides user authentication and authorization for web and mobile applications. You can use Amazon Cognito to enable users to sign in directly with a user name and password, or through a third-party provider, such as Facebook, Google, or Amazon. You can also use Amazon Cognito to manage user profiles, preferences, and security settings3
Question 430
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Which abilities are benefits of the AWS Cloud? (Select TWO.)
Explanation:
The AWS Cloud offers many benefits, such as:
Trade variable expenses for capital expenses: You can pay only for the resources you use, instead of investing in fixed costs upfront. This reduces the risk and complexity of planning and managing your IT infrastructure4 Deploy globally in minutes: You can leverage the global infrastructure of AWS to deploy your applications and data in multiple regions and availability zones. This enables you to reach your customers faster, improve performance, and increase reliability5
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