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Amazon CLF-C02 Exam Questions
- Topic 1: Cloud Concepts: This section involves knowledge of value proposition and exploring design rules of AWS. It covers the advantages of techniques for moving over to AWS cloud and developing a good understanding of cloud economics.
- Topic 2: Security and Compliance: This section involves understanding the shared responsibility framework of AWS in addition to compliance and governance. It also involves exploring the management capabilities of AWS by exploring its security capabilities.
- Topic 3: Cloud Technology and Services: Describe ways to access AWS services in AWS Cloud and explore connectivity options. It deals with defining the global infrastructure of AWS and compute services as well as network services.
- Topic 4: Billing, Pricing, and Support: This section involves contrasting different pricing methods and budgeting resources management. It also tests understanding of billing methods, identifying support options, and technical resources.
Free Amazon CLF-C02 Exam Actual Questions
Note: Premium Questions for CLF-C02 were last updated On Jul. 24, 2024 (see below)
Which Amazon S3 storage class is MOST cost-effective for unknown access patterns?
Understanding S3 Intelligent-Tiering: S3 Intelligent-Tiering is designed to optimize costs by automatically moving data to the most cost-effective access tier based on changing access patterns. It is ideal for data with unknown or unpredictable access patterns.
Why S3 Intelligent-Tiering is Cost-Effective:
Automatic Tiering: Moves data between two access tiers (frequent and infrequent access) based on changing access patterns, optimizing storage costs without performance impact.
No Retrieval Fees: Unlike other storage classes, there are no retrieval fees in Intelligent-Tiering, making it cost-effective for data with unpredictable access patterns.
Monitoring and Automation: Automatically monitors access patterns and transitions data, reducing the need for manual intervention.
When to Use S3 Intelligent-Tiering:
Unpredictable Access Patterns: Ideal for datasets where the access frequency cannot be determined or changes frequently.
Cost Optimization: For organizations looking to minimize storage costs without sacrificing performance or requiring manual intervention to move data between tiers.
Which action is a security best practice for access to sensitive data that is stored in an Amazon S3 bucket?
Understanding IAM Roles: IAM (Identity and Access Management) roles in AWS are designed to delegate access permissions without sharing long-term security credentials. This means applications and services can use temporary security credentials, which enhances security.
Why IAM Roles are Best Practice:
Least Privilege Principle: By using IAM roles, you can ensure that applications only have the minimum permissions they need to function, reducing the risk of unauthorized access.
Temporary Credentials: Roles provide temporary security credentials, which reduce the risk if they are compromised compared to long-term access keys.
Automated Rotation: Temporary credentials automatically expire and are rotated, which means you don't have to manage the rotation manually.
How to Implement IAM Roles:
Create an IAM Role: In the AWS Management Console, navigate to IAM, and create a new role. Choose the type of trusted entity (e.g., EC2, Lambda).
Attach Policies: Attach the necessary policies to the role that define the permissions for accessing the S3 bucket.
Assign Role to Service: Attach the IAM role to your EC2 instances, Lambda functions, or other AWS services that need to access the S3 bucket.
Use AWS SDKs: When accessing S3 from your application, use the AWS SDKs to automatically assume the IAM role and obtain temporary credentials.
Which Amazon S3 storage class is MOST cost-effective for unknown access patterns?
Understanding S3 Intelligent-Tiering: S3 Intelligent-Tiering is designed to optimize costs by automatically moving data to the most cost-effective access tier based on changing access patterns. It is ideal for data with unknown or unpredictable access patterns.
Why S3 Intelligent-Tiering is Cost-Effective:
Automatic Tiering: Moves data between two access tiers (frequent and infrequent access) based on changing access patterns, optimizing storage costs without performance impact.
No Retrieval Fees: Unlike other storage classes, there are no retrieval fees in Intelligent-Tiering, making it cost-effective for data with unpredictable access patterns.
Monitoring and Automation: Automatically monitors access patterns and transitions data, reducing the need for manual intervention.
When to Use S3 Intelligent-Tiering:
Unpredictable Access Patterns: Ideal for datasets where the access frequency cannot be determined or changes frequently.
Cost Optimization: For organizations looking to minimize storage costs without sacrificing performance or requiring manual intervention to move data between tiers.
A company has deployed applications on Amazon EC2 instances. The company needs to assess application vulnerabilities and must identify infrastructure deployments that do not meet best practices. Which AWS service can the company use to meet these requirements?
Which AWS Well-Architected Framework pillar focuses on structured and streamlined allocation of computing resources?
Understanding Performance Efficiency: This pillar of the AWS Well-Architected Framework focuses on using computing resources efficiently to meet system requirements and maintain that efficiency as demand changes and technologies evolve.
Key Aspects of Performance Efficiency:
Selection: Choose the right resources for the job. This includes using the most appropriate instance types, storage options, and database services.
Review: Regularly review your architecture to take advantage of the latest AWS services and features, and to ensure you're using the best possible resource for your needs.
Monitoring: Continuously monitor your system performance, gather metrics, and use those metrics to make informed decisions about scaling and performance optimization.
Trade-offs: Understand the trade-offs between various performance-related aspects, such as cost, latency, and durability, and make decisions that align with your business goals.
How to Implement Performance Efficiency:
Use Auto Scaling: Implement Auto Scaling to automatically adjust the number of resources based on the demand.
Choose Appropriate Storage Options: Select the right storage solution (e.g., S3, EBS, or EFS) based on performance and access patterns.
Optimize Networking: Utilize Amazon CloudFront, AWS Global Accelerator, and VPC to optimize your network performance.
Regular Review and Testing: Regularly review your architecture, test performance under various loads, and adjust configurations as needed.
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