LATEST CLF-C02 EXAMPREP & CLF-C02 RELIABLE DUMPS EBOOK

Latest CLF-C02 Examprep & CLF-C02 Reliable Dumps Ebook

Latest CLF-C02 Examprep & CLF-C02 Reliable Dumps Ebook

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Amazon CLF-C02 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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, computing services, and network services.
Topic 2
  • 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 3
  • Billing, Pricing, and Support: This section contrasts pricing methods and budgeting resources management. It also tests understanding of billing methods, identifying support options, and technical resources.
Topic 4
  • 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.

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Amazon AWS Certified Cloud Practitioner Sample Questions (Q356-Q361):

NEW QUESTION # 356
A social media company wants to protect its web application from common web exploits such as SQL injections and cross-site scripting. Which AWS service will meet these requirements?

  • A. Amazon CloudWatch
  • B. Amazon GuardDuty
  • C. Amazon Inspector
  • D. AWS WAF

Answer: D

Explanation:
AWS WAF is a web application firewall service that helps protect web applications from common web exploits that could affect availability, compromise security, or consume excessive resources. AWS WAF gives you control over which traffic to allow or block to your web applications by defining customizable web security rules. You can use AWS WAF to create rules that block common attack patterns, such as SQL injection or cross-site scripting, and rules that filter out specific traffic patterns you define1. AWS WAF also integrates with other AWS services, such as Amazon CloudFront, Amazon API Gateway, AWS AppSync, and AWS Load Balancer, to provide a comprehensive defense against web attacks2. Therefore, AWS WAF meets the requirements of the social media company, compared to the other options.
The other options are not suitable for the social media company's requirements, because:
Amazon Inspector is an automated security assessment service that helps improve the security and compliance of applications deployed on AWS. Amazon Inspector automatically assesses applications for exposure, vulnerabilities, and deviations from best practices. However, Amazon Inspector does not provide a web application firewall service that can block malicious web requests3.
Amazon GuardDuty is a threat detection service that continuously monitors for malicious activity and unauthorized behavior to protect your AWS accounts, workloads, and data stored in Amazon S3. Amazon GuardDuty analyzes and processes the following data sources: VPC Flow Logs, AWS CloudTrail event logs, and DNS logs. However, Amazon GuardDuty does not provide a web application firewall service that can block malicious web requests4.
Amazon CloudWatch is a monitoring and observability service that provides data and actionable insights to monitor your applications, respond to system-wide performance changes, optimize resource utilization, and get a unified view of operational health. Amazon CloudWatch collects monitoring and operational data in the form of logs, metrics, and events, and visualizes it using automated dashboards, alarms, and notifications. However, Amazon CloudWatch does not provide a web application firewall service that can block malicious web requests.
Reference:
What Is AWS WAF? - AWS WAF, AWS Firewall Manager, and AWS Shield Advanced AWS WAF Features - AWS WAF, AWS Firewall Manager, and AWS Shield Advanced What Is Amazon Inspector? - Amazon Inspector What Is Amazon GuardDuty? - Amazon GuardDuty
[What Is Amazon CloudWatch? - Amazon CloudWatch]


NEW QUESTION # 357
Which task must a user perform by using the AWS account root user credentials?

  • A. Access AWS Cost and Usage Reports.
  • B. Grant auditors' access to an AWS account for a compliance audit.
  • C. Change AWS Support plans.
  • D. Make changes to AWS production resources.

Answer: C

Explanation:
The AWS account root user is the email address that you used to sign up for AWS. The root user has complete access to all AWS services and resources in the account. You should use the root user only to perform a few account and service management tasks. One of these tasks is changing AWS Support plans, which requires root user credentials. For other tasks, you should create an IAM user or role with the appropriate permissions and use that instead of the root user.


NEW QUESTION # 358
A company has data lakes designed for high performance computing (HPC) workloads. Which Amazon EC2 instance type should the company use to meet these requirements?

  • A. Memory optimized instances
  • B. Compute optimized instances
  • C. General purpose instances
  • D. Storage optimized instances

Answer: B

Explanation:
For high performance computing (HPC) workloads, compute resources play a critical role in delivering the necessary processing power and efficiency. HPC workloads are typically computationally intensive, often requiring a large number of CPU cycles to solve complex problems. These workloads benefit most from instances that provide powerful processors and high clock speeds, which is why Compute optimized instances (Answer B) are the best choice in this scenario.
Why Compute Optimized Instances (C Instances)?
* Designed for Compute-Intensive Tasks: Compute optimized instances in Amazon EC2, such as the C6i or C5 series, are designed to offer high compute performance, low cost, and consistent CPU power.
These instances are ideal for workloads like HPC, which require a high level of processing per second.
* High Performance CPUs: The compute optimized instance family typically uses the latest-generation processors, such as AWS Graviton2 or Intel Xeon Scalable processors, which provide a higher number of virtual CPUs (vCPUs) and increased clock speeds compared to other instance types. This matches the need for HPC workloads to maximize throughput and minimize compute times.
* Use Case Alignment: HPC workloads such as genomic research, computational fluid dynamics (CFD), financial modeling, and 3D rendering require high levels of CPU-bound tasks. Compute optimized instances provide the best CPU-to-memory ratio to handle these efficiently, leading to faster processing times and cost efficiency.
Comparison with Other Instance Types:
* A. General Purpose Instances: These are versatile and balanced instances (e.g., T3 or M6i) that are suitable for various workloads but do not provide the specialized compute performance required for HPC. They offer a balanced mix of compute, memory, and networking but are not optimal for HPC workloads where computational power is critical.
* C. Memory Optimized Instances: While these instances (e.g., R5, X1) are ideal for memory-intensive workloads such as in-memory databases (e.g., SAP HANA) or real-time data analytics, they do not provide the specialized compute power necessary for HPC tasks that require heavy CPU processing.
* D. Storage Optimized Instances: These instances (e.g., I3, D3) are designed for workloads that need high disk throughput, like big data or transactional databases. While these are excellent for storage- heavy applications, they are not optimized for compute-intensive HPC workloads.
Amazon EC2 Compute Optimized Family (C Instances)
* C6i Instances: Based on 3rd Gen Intel Xeon Scalable processors, C6i instances offer up to 15% better price/performance compared to previous generation C5 instances. These are ideal for high compute and HPC workloads.
* C5 Instances: These are built for compute-intensive workloads like batch processing, distributed analytics, and high-performance web servers. They offer a high level of sustained CPU performance.
AWS Reference Links:
* Amazon EC2 Instance Types
* Amazon EC2 Compute Optimized Instances
* HPC on AWS
In conclusion, Compute optimized instances (B) are the best choice for HPC workloads due to their high compute performance, optimized CPU architecture, and suitability for computationally intensive tasks.


NEW QUESTION # 359
Which AWS Support plan is the minimum recommended tier for users who have production workloads on AWS?

  • A. AWS Business Support
  • B. AWS Enterprise Support
  • C. AWS Developer Support
  • D. AWS Enterprise On-Ramp Support

Answer: A

Explanation:
AWS Business Support is the minimum recommended tier for users who have production workloads on AWS. AWS Business Support provides 24x7 access to cloud support engineers via phone, chat, or email, as well as a guaranteed response time of less than one hour for urgent issues. AWS Business Support also includes access to AWS Trusted Advisor, a tool that provides real-time guidance to help you provision your resources following AWS best practices4.


NEW QUESTION # 360
A company needs to run a workload for several batch image rendering applications. It is acceptable for the workload to experience downtime.
Which Amazon EC2 pricing model would be MOST cost-effective in this situation?

  • A. Reserved Instances
  • B. Spot Instances
  • C. Dedicated Instances
  • D. On-Demand Instances

Answer: B

Explanation:
Amazon EC2 Spot Instances are instances that use spare EC2 capacity that is available at up to a 90% discount compared to On-Demand prices. You can use Spot Instances for various stateless, fault-tolerant, or flexible applications such as big data, containerized workloads, high-performance computing (HPC), and test & development workloads. Spot Instances are ideal for workloads that can be interrupted, such as batch image rendering applications1. On-Demand Instances are instances that let you pay for compute capacity by the hour or second (minimum of 60 seconds) with no long-term commitments. This frees you from the costs and complexities of planning, purchasing, and maintaining hardware and transforms what are commonly large fixed costs into much smaller variable costs2. Reserved Instances are instances that provide you with a significant discount (up to 75%) compared to On-Demand Instance pricing. In exchange, you select a term and make an upfront payment to reserve a certain amount of compute capacity for that term3. Dedicated Instances are instances that run in a VPC on hardware that's dedicated to a single customer. Your Dedicated Instances are physically isolated at the host hardware level from instances that belong to other AWS accounts4.


NEW QUESTION # 361
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