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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Cloud Practitioner (CLF-C02) Exam |
| Exam Number: | CLF-C02 |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple response, Multiple choice |
| Related Certifications: | AWS Certified Developer – Associate AWS Certified Solutions Architect – Associate AWS Certified SysOps Administrator – Associate |
| Available Languages: | Korean, English, Simplified Chinese, Japanese, Spanish |
| Passing Score: | 700 / 1000 |
| Exam Price: | $100 USD |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | Approximately 65 questions |
| Recommended Training: | AWS Skill Builder - Cloud Practitioner Essentials AWS Cloud Practitioner Exam Guide |
| Exam Registration: | AWS Certification Registration AWS Certified Cloud Practitioner Exam Page |
| 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 #909
A company wants a key-value NoSQL database that is fully managed and serverless.
Which AWS service will meet these requirements?
答案：B
解題說明：
Amazon DynamoDB is a key-value and document database that delivers single-digit millisecond performance at any scale. It is a fully managed, serverless database that does not require provisioning, patching, or backup. It offers built-in security, backup and restore, and in-memory caching3. Amazon RDS is a relational database service that makes it easy to set up, operate, and scale a relational database in the cloud. It provides cost-efficient and resizable capacity while automating time-consuming administration tasks such as hardware provisioning, database setup, patching, and backups. However, it is not a key-value NoSQL database, and it is not serverless, as it requires you to choose an instance type and size4. Amazon Aurora is a MySQL and PostgreSQL-compatible relational database built for the cloud, that combines the performance and availability of traditional enterprise databases with the simplicity and cost-effectiveness of open source databases.
However, it is also not a key-value NoSQL database, and it is not serverless, as it requires you to choose an instance type and size. Amazon MemoryDB for Redis is a Redis-compatible, durable, in-memory database service that delivers ultra-fast performance and multi-AZ reliability for the most demanding applications.
However, it is also not a key-value NoSQL database, and it is not serverless, as it requires you to choose a node type and size.
問題 #910
A company has deployed an application in the AWS Cloud. The company wants to ensure that the application is highly resilient.
Which component of AWS infrastructure can the company use to meet this requirement?
答案：B
解題說明：
Availability Zones are components of AWS infrastructure that can help the company ensure that the application is highly resilient. Availability Zones are multiple, isolated locations within each AWS Region.
Each Availability Zone has independent power, cooling, and physical security, and is connected to the other Availability Zones in the same Region via low-latency, high-throughput, and highly redundant networking.
Availability Zones allow you to operate production applications and databases that are more highly available, fault tolerant, and scalable than would be possible from a single data center.
問題 #911
A company needs to run its existing custom, nonproduction workloads in the AWS Cloud quickly and cost-effectively.
The workloads can recover from interruptions easily.
Which pricing model should the company use?
答案：A
解題說明：
Explanation
The correct answer is C because Spot Instances are the pricing model that enables the company to run its existing custom, nonproduction workloads in the AWS Cloud quickly and cost-effectively. Spot Instances are spare Amazon EC2 instances that are available at up to 90% discount compared to On-Demand prices. Spot Instances are suitable for stateless, fault-tolerant, and flexible workloads that can recover from interruptions easily. The other options are incorrect because they are not the pricing model that enables the company to run its existing custom, nonproduction workloads in the AWS Cloud quickly and cost-effectively. Reserved Instances are Amazon EC2 instances that are reserved for a specific period of time (one or three years) in exchange for a lower hourly rate. Reserved Instances are suitable for steady-state or predictable workloads that run for a long duration. On-Demand Instances are Amazon EC2 instances that are launched and billed at a fixed hourly rate. On-Demand Instances are suitable for short-term, irregular, or unpredictable workloads that cannot be interrupted. Dedicated Hosts are physical servers that are dedicated to a single customer. Dedicated Hosts are suitable for workloads that require regulatory compliance or data isolation. Reference: Amazon EC2 Instance Purchasing Options
問題 #912
Which actions are examples of a company's effort to right size its AWS resources to control cloud costs?
(Select TWO.)
答案：B,C
解題說明：
Basing the selection of Amazon EC2 instance types on past utilization patterns is a way to right size the AWS resources and optimize the performance and cost. Using Amazon S3 Lifecycle policies to move objects that users access infrequently to lower-cost storage tiers is another way to reduce the storage costs and align them with the business value of the data. These two actions are recommended by the AWS Cost Optimization Pillar1. Switching from Amazon RDS to Amazon DynamoDB is not necessarily a cost-saving action, as it depends on the use case and the data model. Using Multi-AZ deployments for Amazon RDS is a way to improve the availability and durability of the database, but it also increases the cost. Replacing existing Amazon EC2 instances with AWS Elastic Beanstalk is a way to simplify the deployment and management of the application, but it does not affect the cost of the underlying EC2 instances.
問題 #913
A systems administrator created a new 1AM user for a developer and assigned the user an access key instead of a user name and password. What is the access key used for?
答案：C
解題說明：
An access key is a pair of long-term credentials that consists of an access key ID and a secret access key. An access key is used to sign programmatic requests to the AWS CLI or AWS API (directly or using the AWS SDK). An access key allows a user to access the AWS account through a CLI, which is a tool that enables users to interact with AWS services using commands in a terminal or a script12.
The other options are not correct, because:
To access the AWS account as the AWS account root user, a user needs the email address and password associated with the account. The root user has complete access to all AWS resources and services in the account. However, it is not recommended to use the root user for everyday tasks3.
To access the AWS account through the AWS Management Console, a user needs a user name and password. The console is a web-based interface that allows users to manage their AWS resources and services using a graphical user interface4.
To access all of a company's AWS accounts, a user needs to use AWS Organizations, which is a service that enables users to centrally manage and govern multiple AWS accounts. AWS Organizations allows users to create groups of accounts and apply policies to them5.
Reference:
Managing access keys for IAM users - AWS Identity and Access Management What Is the AWS Command Line Interface? - AWS Command Line Interface AWS account root user - AWS Identity and Access Management What Is the AWS Management Console? - AWS Management Console What Is AWS Organizations? - AWS Organizations
問題 #914
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從Google Drive中免費下載最新的Testpdf CLF-C02 PDF版考試題庫：https://drive.google.com/open?id=1v2u65QyWLab4eX_dxMfbKH_uVHZQaYA2