AWS Storage Essentials

Cloud computing allows for easy, quick, and flexible manipulation of storage

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Views #: 498

Questions #: 79

Time: 15 minutes

Pass Score: 80.0%

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It is usually faster to order on-premises storage infrastructure than allocating storage on cloud

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AWS storage services are grouped into three categories

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file storage

block storage

object storage

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Map storage types to their descriptions

In , data is stored as files in a hierarchy.
In , data is stored in fixed-size blocks.
In , data is stored as objects in buckets

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file storage

object storage

block storage

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In file storage, files are organised in a tree-like hierarchy that consist of folders and subfolders

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There are metadata associated with a file stored in a file storage such as

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file name

file size

creation date

file path

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Choose the use cases for file storage

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Web serving

Analytics

Media and entertainment

Home directories

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In block storage, files are split into fixed-size chunks of data called blocks that have their own addresses

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In block storage, a block has no other metadata associated other than the block address

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I in block storage, you need to change the whole file if you want to change a single character

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Identify the use cases for block storage from the following categories

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Transactional workloads

Web applications

Containers

Virtual machines

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In object storage, files are stored in a hierarchal structure same as file storage

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In object storage, you have to update the entire object if you would update a single character in the object

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The use cases AWS recommends for object storage are

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Data archiving

Backup and recovery

Rich media

We application

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Relate to on-premises storage

in the cloud is analogous to direct-attached storage (DAS) or a storage area network (SAN).
systems are often supported with a network-attached storage (NAS) server.

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File storage

Blok storage

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Object storage often follows the WORM (write once, read many) pattern model

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Amazon Elastic File System (Amazon EFS) is a set-and-forget file system that automatically grows and shrinks as you add and remove files

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The bad thing about Amazon EFS is that it can be used only with AWS compute services

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Amazon EFS is reliable up to 100 compute services connected to it

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Amazon requires a minimum fee and setup cost in order to use EFS file system

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Amazon FSx is a fully managed service

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With Amazon FSx, you can choose between four widely used file systems:

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Lustre

NetApp ONTAP

OpenZFS

Windows File Server

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Which file system would provide more savings

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EFS Standard and EFS Standard-Infrequent Access (Standard-IA)

EFS One Zone and EFS One Zone-Infrequent Access (EFS One Zone-IA)

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You can restore the data from an EC2 instance store even after deleting the EC2 instance

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Which storage system would you use with an EC2 instance if you want to replicate data to other Hadoop clusters?

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Amazon EBS

EC2 instance store

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An EC2 instance store is ideal for temporary storage of information that changes frequently

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An amazon EC2 instance can be attached and detached from EC2 instances

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Amazon EBS multi-attach feature is available for all EC2 instance types

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Amazon EBS is a

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file storage

object storage

block storage

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We call an Amazon EBS storage attached to an EC2 instance

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an EBS drive

an EBS folder

an EBS volume

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An EBS storage has the following features similar to an external hard desk connected to a computer

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Detachable

Distinct

Size-limited

1-to-1 connection

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You cannot scale the storage capacity of your EC2 instance once you attach an EBS volume

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The maximum volume size of an EBS volume is

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64 tebibytes (TiB)

32 tebibytes (TiB)

24 tebibytes (TiB)

10 tebibytes (TiB)

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Amazon EBS is used in the following use cases

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Operating systems

Databases

Enterprise applications

Big data analytics engines

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EBS volumes comes only as hard-disk drives (HDDs)

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SSD storage provides higher IOPS per volume than HDD storage

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Select the benefits Amazon EBS provides

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High availability

Data persistence

Data encryption

Flexibility

Backups

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You have to stop your EC2 instance in order to change the size of the attached EBS volume

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When you create an EBS volume, you have to manually replicate in its Availability Zone to prevent data loss from single points of failure.

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You do not need to frequently backup your data since AWS storage is very reliable

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Backups taken from EBS volumes are called __________

Have fun and play hangman game to guess the word

Use the alphabet below to guess the word, then enter it in the input field

You have lives

Enter your answer

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Are EBS snapshots incremental?

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You have taken a backup from your EBS volume last night, and it was 10 GB. You made some changes in some files, which size 2 GB.

The next snapshot to take will write 10 GB to Amazon S3.

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When you take a snapshot of any of your EBS volumes, the backups are stored redundantly in multiple Availability Zones using Amazon S3

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When you restore an EBS snapshot, you find some small differences from the original EBS volume which are easy to fix

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You can create a new EBS volume from a snapshot in the same Availability Zone of the original EBS volume that the snapshot was taken

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Everything in S3 is private by default

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Unlike Amazon EBS, Amazon Simple Storage Service (Amazon S3) is a standalone storage solution that isn’t tied to compute

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Choose the combinations that collectively identify an object in Amazon S3

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bucket name

key

version ID

region

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Amazon S3 supports global buckets. Therefore, each bucket name must be unique across all AWS accounts in all AWS Regions within a partition.

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Choose the rules that apply for naming buckets in Amazon S3

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Bucket names must be between 3 (min) and 63 (max) characters long.

Bucket names can consist only of lowercase letters, numbers, dots (.), and hyphens (-).

Bucket names must begin and end with a letter or number.

Buckets must not be formatted as an IP address.

A bucket name cannot be used by another AWS account in the same partition until the bucket is deleted.

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If S3 provide flat structure to host objects, then how do we structure objects as urls with paths?

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S3 do support the concept of buckets and sub-buckets

By using key names prefixes and delimiters, you can imply a logical hierarchy

There is no hierarchy what so ever wither its through buckets or name prefixes and delimiters

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Identify the major parts of an S3 object in the following S3 object url

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Select main S3 use cases

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Backup and storage

Media hosting

Software delivery

Data lakes

Static websites

Static content

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Amazon S3 bucket policies can be attached to users

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Amazon S3 encryption

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To protect data, Amazon S3 automatically encrypts all objects on upload and applies server-side encryption with S3-managed keys as the base level of encryption for every bucket in Amazon S3 at no additional cost.

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Choose Amazon S3 storage classes

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S3 Standard

S3 Intelligent-Tiering

S3 Standard-IA (Infrequent Access)

S3 One Zone-IA

S3 Glacier

S3 Glacier Deep Archive

S3 Outposts

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Amazon S3 allows versioning

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Storage costs are incurred for all objects in your S3 bucket, including all versions

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You can manage your storage lifecycle by choosing to automate between

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Transition actions

Expiration actions

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Choose the best storage option

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you're a developer and you plan to build out an application to transcode large media files like videos. You will be using an AWS Lambda function to perform the transcoding, but you need a place to store both the original media files and the transcoded media files. Due to regulations, you need to store these files for at least a year.

Which of the storage services below are more suitable?

Amazon Elastic Block Store (EBS)

Amazon S3

Amazon instance store

Amazon Elastic File System (EFS)

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Choose the best storage option

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You're an architect for an ecommerce company that wants to run their MySQL database on an EC2 instance. This database needs a storage layer to store their order and customer information. The database will frequently be accessed and updated, so the storage layer needs to respond quickly. It's important that the storage is fast and durable.

Which AWS storage service should you use?

Amazon Elastic Block Store (EBS)

Amazon S3

Amazon instance store

Amazon Elastic File System (EFS)

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Choose the best storage option

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You have a web application that needs to write to disk in order to perform certain calculations. The application will store temporary data during the calculation. The most important aspects of this architecture are speed and cost.

which storage solution would you choose?

Amazon Elastic Block Store (EBS)

Amazon S3

Amazon instance store

Amazon Elastic File System (EFS)

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Choose the best storage option

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You're creating a WordPress site on multiple instances. By default, WordPress stores user uploads on the local file system. Since you want to use multiple instances, you will need to move the WordPress installation and all of the user customizations into a shared storage platform. Which storage option would you use?

Amazon Elastic Block Store (EBS)

Amazon S3

Amazon instance store

Amazon Elastic File System (EFS)

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You can attach Amazon S3 to an EC2 instance

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EFS One Zone storage classes are ideal for workloads such as development, build, and staging environments

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In Amazon EFS, you pay for the storage you initially provision

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Which of the following is a typical use case for Amazon S3?

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Object storage for media hosting

Object storage for a boot drive

Block storage for an Amazon EC2 instance

File storage for multiple Amazon EC2 instances

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Choose the right solution

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A company that works with customers around the globe in multiple Regions hosts a static website in an Amazon S3 bucket. The company has decided that they want to reduce latency and increase data transfer speed by storing cache. Which solution should they choose to make their content more accessible?

Configure Amazon CloudFront to deliver the content in the S3 bucket.

Create multiple S3 buckets and put Amazon EC2 and Amazon S3 in the same AWS Region.

Enable cross-Region replication to several AWS Regions to serve customers from different locations.

Use S3 Intelligent-Tiering to automatically move their website to a bucket that would reduce their latency.

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Choose the best storage option

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Which of the following storage services is recommended if a customer needs a storage layer for a high-transaction relational database on an Amazon EC2 instance?

Amazon S3

Amazon Elastic File System (Amazon EFS)

Amazon Elastic Block Store (Amazon EBS)

Amazon S3 Glacier Deep Archive

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Identify the categories of on-premises storage capacity

is the raw storage capacity you purchase. This is what you pay for and what is needed to calculate the operating costs and data center requirements.
is the reduced capacity after allocating part of the raw capacity to system's operations (e.g. formatting and operating system, hardware failure protection overhead).
is the available capacity from the formatted capacity after accounting for data protection services, such as snapshots, and space performance overhead.
The actual capacity that you need for your data.

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Formatted capacity

Raw capacity

Actual data capacity

Allocated capacity

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Which AWS Snow Family device is best suited for data migration in remote or low-connectivity environments where large storage is also required?

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AWS Snowball Edge – Storage Optimized

AWS Snowball Edge – Compute Optimized:

AWS Snowcone

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What AWS Snow device should be used for small-scale, portable data transfer outside traditional data centers, where minimal setup and light weight are priorities?

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AWS Snowcone

AWS Snowball Edge

AWS Snowmobile

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Which AWS device would you select for transferring petabyte or exabyte-scale data from an on-premises data center to AWS for long-term storage and analysis?

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AWS Snowmobile

AWS Snowball Edge

AWS Snowcone

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Which AWS storage service offer block storage?

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Amazon EC2 instance storage

Amazon EBS

Amazon FSx for Lustre

Amazon FSx for NetApp ONTAP

Amazon S3

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All Amazon EC2 instance types support instance store storage

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False

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Data in the instance store will be lost when the EC2 instance

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underlying disk drive fails

reboots

stops

hibernates

terminates

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An EC2 instance is required to store valuable, long-term data. Which storage type do you recommend to use?

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Amazon EC2 instance store

Amazon EBS

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Amazon EFS incurs set-up changes when you use the service

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Choose the best FSx file system

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Your organization is running compute-intensive workloads that require high throughput, low-latency file access, and parallel processing for applications such as machine learning and high-performance computing (HPC). Which Amazon FSx file system is the best choice?

Amazon FSx for Windows File Server

Amazon FSx for Lustre

Amazon FSx for NetApp ONTAP

Amazon FSx for OpenZFS

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To ensure high availability and durability, FSx for Windows File Server replicates your data automatically within the Availability Zone it resides in to protect it from component failure

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Yes

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Professional