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AWS Certified Cloud Practitioner > EC2 - Instance Storage > Flashcards

EC2 - Instance Storage Flashcards

1
Q

An ______________ is a network drive you can attach to your instances while they run.

A

EBS (elastic block store) volume

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2
Q

True or false: Elastic block stores can be mount to more than one instance at a time.

A

False.

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3
Q

EBS volumes are a ____________ that is locked to an ___________ and have a provisioned capacity.

A

Network drive locked to an availability zone.

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4
Q

The _______________ is ticked by default for the root volume and controls the EBS volume behavior when an EC2 instance terminates.

A

Delete on termination attribute

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5
Q

What is an EBS snapshot?

A

An EBS snapshot allows you to make a backup (snapshot) of your EBS volume at any point in time.

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6
Q

True or false: EBS snapshots can be copied across AZ or Region.

A

True

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7
Q

What is the snapshot archive tier?

A

The archive tier is a 75% cheaper service that allows snapshots that are not used to be stored for a given amount of time.

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8
Q

The _____________ for EBS snapshots allows you to setup rules to retain deleted snapshots so that you can recover them after an accidental deletion with a period of 1 day to 1 year.

A

Recycle bin

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9
Q

An ______________ are customization of an EC2 instance that allows you to:

  • Add your own software, configuration, operating system, and monitoring
  • Allows for faster boot / configuration time because all your software is pre-packaged.
A

Amazon Machine Image (AMI)

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10
Q

You can launch EC2 instances from _____________, ___________, _____________.

A

A public AMI, your own AMI, or AWS Marketplace AMI

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11
Q

What is the AMI Process?

A

Start instance, stop the instance, build an AMI, launch instances from other AMIs

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12
Q

The _______________ is:

  • Used to automate the creation of Virtual Machines or container images
  • ⇒ Automate the creation, maintenance, validate and test EC2 AMIs
  • Can be run on a schedule (weekly, whenever packages are updated, etc…)
  • Free service (only pay for the underlying resources)
A

EC2 Image Builder

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13
Q

Used by images that need high performance, better I/O and are great for buffer / cache / scratch data / temporary content.

A

Instance store

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14
Q

True or false: Instance stores risk data if hardware fails and backups are your responsibility.

A

True.

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15
Q

The _______________ is a highly available, scalable, expensive managed network file system that can be mount on 100s of EC2 instances at a time.

A

Elastic File System (EFS)

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16
Q

EFS Infrequent Access is a service with a 92% lower cost than compared to EFS standard. Why is this?

A

It is a storage class cost-optimized for files that are not accessed every day. EFS will automatically move files to EFS-IA based on the last time they were accessed and your specified lifecycle policy.

17
Q

Who is responsible for the following:

  • Setting up backup / snapshot procedures
  • Setting up data encryption
  • Responsibility of any data on the drives
  • Understanding the risk of using EC2 Instance Stores
A

Customer

18
Q

Who is responsible for the following:

  • Infrastructure
  • Replication for data for EBS volumes & EFS drives
  • Replacing faulty hardware
  • Ensuring their employees cannot access your data
A

Provider

19
Q

_______________ launches 3rd party high-performance file systems on AWS.

A

Amazon FSx

20
Q

What options are available for Amazon FSx?

A

FSx for Lustre, FSx for Windows File Server, FSx for NetApp

21
Q
  • A fully managed, highly reliable, and scalable Windows native shared file system
  • Build on windows file server
  • Supports SMB protocol & Windows NTFS
  • Integrated with Microsoft AD
  • Can be accessed from AWS or your on-premise infrastructure
A

FSx for Windows File Server

22
Q
  • A fully managed, high-performance, scalable file storage for High Performance Computing (HPC)
  • The name Lustre is derived from “Linux” and “cluster”
  • Maching Learning, Analytics, Video Processing, Financial Modeling
  • Scales up to 100s GB/s, millions of IOPS, sub-ms latencies
A

FSx for Lustre

AWS Certified Cloud Practitioner (4 decks)

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