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AWS Certified Cloud Practitioner (CLF-C02) Exam Guide

Q: Which of the following is an AWS responsibility under the Shared Responsibility Model?

Physical security of the data centers.. Under the Shared Responsibility Model, AWS is responsible for the security 'OF' the cloud (global infrastructure, compute, storage, networking), while the customer is responsible for security 'IN' the cloud (data configuration, firewall, access management).

Q: Which AWS service allows you to host a relational database while managing administrative tasks such as backups?

Amazon RDS (Relational Database Service).. Amazon RDS makes it easy to set up, operate, and scale a relational database in the cloud. It automatically handles security patching, backups, and redundancy.

Q: Which cloud benefit allows for automatically adjusting resources based on demand?

Elasticity.. Elasticity is the ability to scale up or down automatically (via Auto Scaling) to meet demand variations, thus avoiding costly under-provisioning or over-provisioning.

Q: Which AWS service provides recommendations for cost optimization, security, and performance improvements?

AWS Trusted Advisor.. Trusted Advisor analyzes your AWS environment and provides real-time guidance to follow best practices in five categories: cost optimization, security, fault tolerance, performance, and service limits.

Q: Which Amazon S3 storage class is the most cost-effective for archiving data that is rarely accessed and can tolerate a retrieval time of several hours?

S3 Glacier Deep Archive.. S3 Glacier Deep Archive is the lowest-cost storage class in Amazon S3, designed for data accessed once or twice a year, with retrieval times ranging from 12 to 48 hours.

The **AWS Cloud Practitioner** certification is the ideal entry point for understanding the AWS cloud. It validates overall understanding of the cloud, security, basic architectural concepts, and the billing model.

Which of the following is an AWS responsibility under the Shared Responsibility Model?

Answer : Physical security of the data centers.

Under the Shared Responsibility Model, AWS is responsible for the security 'OF' the cloud (global infrastructure, compute, storage, networking), while the customer is responsible for security 'IN' the cloud (data configuration, firewall, access management).

Which AWS service allows you to host a relational database while managing administrative tasks such as backups?

Answer : Amazon RDS (Relational Database Service).

Amazon RDS makes it easy to set up, operate, and scale a relational database in the cloud. It automatically handles security patching, backups, and redundancy.

Which cloud benefit allows for automatically adjusting resources based on demand?

Answer : Elasticity.

Elasticity is the ability to scale up or down automatically (via Auto Scaling) to meet demand variations, thus avoiding costly under-provisioning or over-provisioning.

Which AWS service provides recommendations for cost optimization, security, and performance improvements?

Answer : AWS Trusted Advisor.

Trusted Advisor analyzes your AWS environment and provides real-time guidance to follow best practices in five categories: cost optimization, security, fault tolerance, performance, and service limits.

Which Amazon S3 storage class is the most cost-effective for archiving data that is rarely accessed and can tolerate a retrieval time of several hours?

Answer : S3 Glacier Deep Archive.

S3 Glacier Deep Archive is the lowest-cost storage class in Amazon S3, designed for data accessed once or twice a year, with retrieval times ranging from 12 to 48 hours.