CLF-C02

AWS Certified Cloud Practitioner (CLF-C02) Study Notes and Practice Tests

Free AWS Certified Cloud Practitioner (CLF-C02) study notes, module-by-module reading, flashcards, and practice tests. Start your AWS journey.

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Free CLF-C02 practice questions

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  1. AWS Cloud Practitioner 01 Introduction to AWS

    Which three cloud computing deployment models does AWS recognize?

    • Cloud, on-premises (private cloud), and hybrid
    • Public, private, and community
    • IaaS, PaaS, and SaaS
    • Region, AZ, and edge location
    Show answer

    Answer: Cloud, on-premises (private cloud), and hybrid

    AWS defines three deployment models: all-cloud (cloud-native), on-premises (private cloud using virtualisation), and hybrid (cloud + on-premises). This is a core CLF-C02 concept tested in Domain 1.

  2. AWS Cloud Practitioner 02 Compute in the Cloud

    What is Amazon EC2 and what is its primary benefit?

    • A service that provides secure, resizable compute capacity in the cloud, reducing hardware costs
    • A managed database service that auto-scales storage
    • A content delivery network that caches content at edge locations
    • A serverless compute service that runs code without provisioning servers
    Show answer

    Answer: A service that provides secure, resizable compute capacity in the cloud, reducing hardware costs

    Amazon EC2 (Elastic Compute Cloud) provides resizable virtual servers in the cloud. You can provision capacity in minutes and only pay for compute you use, eliminating the need to buy and manage physical servers.

  3. AWS Cloud Practitioner 03 Global Infrastructure and Reliability

    What is an AWS Availability Zone (AZ)?

    • One or more discrete data centres with redundant power, networking, and connectivity within a Region
    • A geographic area containing multiple AWS Regions
    • A caching layer that stores content closer to end users
    • A logical group of AWS accounts for billing purposes
    Show answer

    Answer: One or more discrete data centres with redundant power, networking, and connectivity within a Region

    An Availability Zone is one or more discrete data centres, each with redundant power and networking, located within an AWS Region. Deploying across multiple AZs protects applications from single data-centre failures.

  4. AWS Cloud Practitioner 04 Networking

    What is an Amazon VPC and why is it important?

    • A logically isolated section of the AWS Cloud where you launch resources in a virtual network you define
    • A physical network switch managed by AWS in each data centre
    • A service for accelerating content delivery to global users
    • A DNS service for routing internet traffic to AWS resources
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    Answer: A logically isolated section of the AWS Cloud where you launch resources in a virtual network you define

    An Amazon Virtual Private Cloud (VPC) gives you full control over your virtual networking environment — including IP address ranges, subnets, route tables, and network gateways. Resources in a private subnet are not directly accessible from the internet.

  5. AWS Cloud Practitioner 05 Storage and Databases

    What type of storage does Amazon EBS provide?

    • Block storage volumes that can be attached to a single EC2 instance, persisting independently of the instance
    • Object storage accessible from anywhere via HTTP
    • Shared file storage mountable by multiple EC2 instances simultaneously
    • In-memory storage for ultra-low latency caching
    Show answer

    Answer: Block storage volumes that can be attached to a single EC2 instance, persisting independently of the instance

    Amazon EBS (Elastic Block Store) provides persistent block storage that attaches to a single EC2 instance — like a hard drive for your server. Data persists even when the EC2 instance is stopped, and EBS volumes can be backed up via snapshots to S3.

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