CLF-C02 Premium Exam Questions

Spot Instances are a type of EC2 instance that let you bid on unused compute capacity, which AWS offers at a discount of up to 90% compared to On-Demand prices1. Spot Instances are suitable for fault-tolerant, stateless, or flexible applications that can handle interruptions2. Spot Instances can be interrupted with a two-minute warning when EC2 needs the capacity back3. The other options are not pricing models that will interrupt a running EC2 instance if capacity becomes temporarily unavailable

Best practices for using AWS Identity and Access Management (IAM) include:

B. Create individual IAM users: Each user should have their own IAM credentials to ensure accountability, control, and traceability. Sharing credentials can lead to security risks and difficulty in auditing.

E. Use groups to assign permissions to IAM users: Assigning permissions through IAM groups simplifies permission management. You can assign the necessary permissions to the group, and then add or remove users from the group as needed, rather than managing permissions for each user individually.

Why other options are not suitable:

A. Share access keys: Sharing access keys is a security risk and violates AWS security best practices. Each user should have their own credentials.

C. Use inline policies instead of customer-managed policies: Customer-managed policies are preferred over inline policies because they offer better control, reusability, and versioning.

D. Grant maximum privileges to IAM users: Granting the least privilege necessary is a best practice to reduce the risk of accidental or malicious actions.

AWS KMS is the service that is used to provide encryption for Amazon EBS. AWS KMS is a managed service that enables you to easily create and control the encryption keys used to encrypt your data.Amazon EBS uses AWS KMS to encrypt and decrypt your EBS volumes and snapshots. You can choose to use either the default AWS managed CMK or your own customer managed CMK for encryption. AWS KMS also provides features such as key rotation, audit logging, and access control policies to help you manage your encryption keys and protect your data12. The other services are not used to provide encryption for Amazon EBS. AWS Certificate Manager is a service that lets you provision, manage, and deploy public and private SSL/TLScertificates for use with AWS services and your internal connected resources3. AWS Systems Manager is a service that provides a unified user interface to view and manage your AWS resources, automate common operational tasks, and apply compliance policies4. AWS Config is a service that enables you to assess, audit, and evaluate the configurations of your AWS resources. References: Amazon EBS encryption, AWS Key Management Service, AWS Certificate Manager, AWS Systems Manager, [AWS Config]

Amazon FSx for Windows File Server is a fully managed file server that supports Microsoft workloads and file systems, including the SMB protocol. It provides features such as user quotas, end-user file restore, and Microsoft Active Directory integration. Amazon EFS is a fully managed file system that supports the NFS protocol, not SMB. Amazon FSx for Lustre is a fully managed file system that supports high-performance computing workloads, not Microsoft workloads. Amazon EBS is a block storage service that does not provide a file system or SMB support. References: Amazon FSx for Windows File Server, Amazon FSx for Lustre, Amazon EFS, Amazon EBS