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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Cloud Practitioner (CLF-C02) Exam |
| Exam Number: | CLF-C02 |
| Real Exam Qty: | Approximately 65 questions |
| Exam Duration: | 90 minutes |
| Related Certifications: | AWS Certified SysOps Administrator – Associate AWS Certified Developer – Associate AWS Certified Solutions Architect – Associate |
| Passing Score: | 700 / 1000 |
| Exam Format: | Multiple choice, Multiple response |
| Exam Price: | $100 USD |
| Available Languages: | Spanish, Japanese, Simplified Chinese, Korean, English |
| Certificate Validity Period: | 3 years |
| Recommended Training: | AWS Skill Builder - Cloud Practitioner Essentials AWS Cloud Practitioner Exam Guide |
| Exam Registration: | AWS Certified Cloud Practitioner Exam Page AWS Certification Registration |
| Sample Questions: | Amazon CLF-C02 Sample Questions |
| Exam Way: | Online proctored exam or test center (Pearson VUE) |
| Pre Condition: | No prerequisites required |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-cloud-practitioner/ |
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問題 #738
A company that uses AWS needs to transfer 2 TB of data.
Which type of transfer of that data would result in no cost for the company?
答案:C
問題 #739
Which of the following are customer responsibilities under the AWS shared responsibility model? (Select TWO.)
答案:B,C
解題說明:
The AWS shared responsibility model describes how AWS and the customer share responsibility for security and compliance of the AWS environment. AWS is responsible for the security of the cloud, which includes the physical security of AWS facilities, the infrastructure, hardware, software, and networking that run AWS services. The customer is responsible for security in the cloud, which includes the configuration of security groups, the encryption of customer data on AWS, the management of AWS Lambda infrastructure, and the management of network throughput of each AWS Region.
問題 #740
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?
答案:C
解題說明:
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 whyCompute 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.
問題 #741
Which AWS service is always available free of charge to users?
答案:A
解題說明:
AWS Identity and Access Management (IAM) is a web service that helps you securely control access to AWS resources for your users. You use IAM to control who can use your AWS resources (authentication) and what resources they can use and in what ways (authorization). IAM is always available free of charge to users4.
問題 #742
A company wants to grant users in one AWS account access to resources in another AWS account. The users do not currently have permission to access the resources.
Which AWS service will meet this requirement?
答案:B
解題說明:
IAM roles are a way to delegate access to resources in different AWS accounts. IAM roles allow users to assume a set of permissions for a limited time without having to create or share long-term credentials. IAM roles can be used to grant cross-account access by creating a trust relationship between the accounts and specifying the permissions that the role can perform. Users can then switch to the role and access the resources in the other account using temporary security credentials provided by the role. Reference: Cross account resource access in IAM, IAM tutorial: Delegate access across AWS accounts using IAM roles, How to Enable Cross-Account Access to the AWS Management Console
問題 #743
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