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Amazon EC2 and AMIs Quiz
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Amazon EC2 and AMIs Quiz

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Questions and Answers

What type of storage volume can be added to an EC2 instance?

  • Dynamic storage volume
  • Temporary storage volume
  • Hybrid storage volume
  • Persistent storage volume (correct)
  • How many instances can be launched from a single AMI if they require the same configuration?

  • Multiple instances (correct)
  • No instances
  • Single instance
  • Two instances
  • What is the root volume of an instance?

  • Static volume
  • Hybrid volume
  • Temporary volume
  • EBS volume (correct)
  • What is the purpose of configuring a security group for an Amazon EC2 instance?

    <p>To control the traffic for the instance</p> Signup and view all the answers

    What are Amazon Machine Images (AMIs) preconfigured with?

    <p>An ever-growing list of operating systems</p> Signup and view all the answers

    How many EBS volumes can be attached to an EC2 instance?

    <p>Multiple EBS volumes</p> Signup and view all the answers

    What is the purpose of detaching the root volume from a failed EC2 instance and attaching it to another EC2 instance?

    <p>To recover any information stored on the root volume</p> Signup and view all the answers

    Which type of EBS volume provides Better IOPS performance value than general-purpose SSDs?

    <p>io2</p> Signup and view all the answers

    What is the main difference between Throughput Optimized HDD volumes (st1) and Cold HDD Volumes (sc1)?

    <p>Cold HDD volumes prioritize low storage cost over performance, while Throughput Optimized HDD volumes are for workloads with high throughput requirements</p> Signup and view all the answers

    When configuring an EC2 instance with an EBS volume, what are the key configurations to select?

    <p>Volume type, storage amount, and encryption configuration</p> Signup and view all the answers

    What is the purpose of taking snapshots of EBS volumes?

    <p>To create point-in-time backups of data on the volume</p> Signup and view all the answers

    Which type of workload would benefit from using Provisioned IOPS SSD volumes?

    <p>Workloads requiring high IOPS</p> Signup and view all the answers

    What is the pricing model that offers low prices in exchange for a commitment to a consistent amount of usage for a one or 3-year term?

    <p>Savings Plans</p> Signup and view all the answers

    Which type of applications are suitable for Spot Instances?

    <p>Applications with unpredictable resource needs</p> Signup and view all the answers

    What is the main advantage of using AWS storage services over procuring new storage hardware?

    <p>Cost-effectiveness</p> Signup and view all the answers

    In what way does block storage differ from file storage architecture?

    <p>File storage architecture stores data onto media like hard disk</p> Signup and view all the answers

    What percentage of discount can Reserved Instances provide on Amazon EC2 instances?

    <p>Up to 72%</p> Signup and view all the answers

    What is the main difference between the first snapshot and additional snapshots in AWS?

    <p>The first snapshot is a full backup, while additional snapshots are incremental backups.</p> Signup and view all the answers

    How can snapshots be used in AWS?

    <p>To create new volumes with data intact.</p> Signup and view all the answers

    What does copying snapshots to other regions allow you to do in AWS?

    <p>Share data with colleagues in other regions.</p> Signup and view all the answers

    What happens during the first backup of an EBS volume in AWS?

    <p>All data is backed up.</p> Signup and view all the answers

    Which feature is included in the AWS Free Tier for Amazon EBS?

    <p>30 GB of storage</p> Signup and view all the answers

    What are the major steps involved in hosting a website on an EC2 instance according to the text?

    <p>Creating an EC2 instance, launching a web server, and connecting to the instance.</p> Signup and view all the answers

    What is required to create an EC2 instance?

    <p>Selecting AMI, instance type, configuring network and storage, creating security groups, and generating key pairs</p> Signup and view all the answers

    Which service provides block-level storage in AWS?

    <p>Amazon EBS</p> Signup and view all the answers

    What can Amazon EBS be used for in conjunction with EC2?

    <p>To provide Virtual Hard Drives</p> Signup and view all the answers

    Which AWS storage service can be used to create and manage EBS volumes and snapshots?

    <p>Amazon EBS</p> Signup and view all the answers

    What are the key components needed to set up an EC2 instance?

    <p>Security Groups, Key Pairs, Instance Type</p> Signup and view all the answers

    Study Notes

    Configuring EC2 Instances

    • You can select an AMI provided by AWS, the AWS Marketplace, or one of your own AMIs.
    • You can launch multiple instances from a single AMI when you require multiple instances with the same configuration.

    Operating Systems

    • Amazon Machine Images (AMIs) are preconfigured with an ever-growing list of operating systems.

    Adding Persistent Block Storage

    • Persistent storage volume(s) can be added to an EC2 instance, working as a virtual HD using Amazon EBS.
    • You can attach multiple EBS volumes to an instance.
    • An EBS volume persists independently from the life of its associated instance.
    • The root volume of the instance is an EBS volume.

    Configuring Security Group

    • Configuring a security group for an Amazon EC2 instance is essential.
    • A security group is a set of virtual firewall rules that control the traffic for your instance.

    Amazon EC2 Pricing Models

    • There are four ways to pay for Amazon EC2 instances: On-Demand Instances, Savings Plans, Spot Instances, and Reserved Instances.

    Amazon Storage

    • Many clients who are just starting on their cloud journey often consider storage services in the cloud as a stepping stone to going cloud-native in the long run.
    • To build a powerful cloud application, you need scalable storage.
    • Access to AWS storage services is easy, and rather than procuring new storage hardware to host on-premises, it is often easier and cost-effective to use the services offered by a cloud vendor such as AWS.

    Storage Options

    • Block storage is an architectural design that enables the storage of data onto media such as a hard disk, in fixed-sized chunks.
    • File storage architecture offers a centralized location for your corporate data, and files are stored in folders and sub-folders.

    Snapshots of EBS Volumes

    • The first backup of a volume backups all the data.
    • Every next backup copies only a block of data that has changed since the last snapshot.
    • You can copy snapshots to other Regions.

    Hosting a Website on an EC2 Instance

    • Major steps to host a website on an EC2 instance include creating an AWS account, creating and launching an instance, connecting to the instance, installing a web server, and uploading the website.

    EBS Pricing

    • The AWS Free Tier (12 months free) includes 30 GB of storage, 2 million I/Os, and 1 GB of snapshot storage with Amazon EBS.
    • You can use the AWS Pricing Calculator to estimate costs.

    EBS Volume Types

    • When configuring your EC2 instance with an EBS volume, you need to select the type of volume, the amount of storage you wish to provision, and if you want to configure encryption on your EBS volume.
    • There are different types of EBS volumes to choose from, including Solid State Drives (SSDs) and Hard Disk Drives (HDDs).

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    Description

    Test your knowledge on Amazon EC2 instances and Amazon Machine Images (AMIs) with this quiz. Learn about launching multiple instances from a single AMI and adding persistent block storage. Explore the ever-growing list of operating systems available for AMIs.

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