Cloud Storage

Question 1

What are the three popular storage solutions in computing environments?

Answer 1

Block, File, and Object storage

Question 2

Which storage solution operates at the operating system kernel level, stores and organizes data as an array of unrelated blocks?

Answer 2

Block Storage

Question 3

Which storage solution operates at the operating system user level, stores data as data blocks which are managed by a file system?

Answer 3

File storage

Question 4

Which storage solution operates at the application level, stores the data as objects?

Answer 4

Object storage

Question 5

Which Amazon service is an online cloud-based data storage infrastructure for storing and retrieving any amount of data?

Answer 5

Amazon Simple Storage Service (S3)

Question 6

Which Amazon service provides a highly scalable, available, and durable file storage which can be used with EC2 instances?

Answer 6

Amazon Elastic File System (EFS)

Question 7

Which Amazon service provides block level storage volumes for use with EC2 instances?

Answer 7

Amazon Elastic Block Store (EBS)

Question 8

Which Amazon service connects an on-premises software appliance with cloud-based storage to provide seamless and secure integration between an organization’s on-premises IT environment and AWS’s storage infrastructure?

Answer 8

AWS Storage Gateway

Question 9

What service is used for providing cloud storage solutions for on-premises servers?

Answer 9

AWS Storage Gateway

Question 11

You can use _________________ to automate the creation, retention, and deletion of snapshots taken to back up your Amazon EBS Volumes.

Answer 11

Amazon Data Lifecycle Manager (Amazon DLM)

Question 12

What service is used for creating backup of data from your on-premises server and not from the Amazon Virtual Private cloud?

Answer 12

Amazon Storage Gateway

Question 13

What service offers a simple encryption solution for your EBS volumes without the need to build, maintain, and secure your own key management infrastructure?

Answer 13

EBS encryption

Question 14

In Amazon S3 how do you protect data in transit?

Answer 14

By using SSL or by using client-side encryption.

Question 15

In Amazon S3, what are your options for protecting data at rest?

Answer 15

1. Server-Side Encryption - You request Amazon S3 to encrypt your object before saving it on disks in its data centers and decrypt it when you download the objects.
2. Client-Side Encryption - You can encrypt data client-side and upload the encrypted data to Amazon S3. In this case, you manage the encryption process, the encryption keys, and related tools.

Question 16

What are the 3 volume types provided by Amazon EBS?

Answer 16

General Purpose (SSD)
Provisioned IOPS (SSD)
Magnetic

Question 17

Which EBS volume types provided is suitable for a broad range of workloads, including small to medium-sized databases, development and test environments, and boot volumes? This volume types is recommended as the default choice for customers?

Answer 17

General Purpose (SSD)

Question 18

Which EBS volume types provided offer storage with consistent and low-latency performance and are designed for I/O intensive applications such as large relational or NoSQL databases?

Answer 18

Provisioned IOPS (SSD)

Question 19

Which volume type provides the lowest cost per gigabyte of all EBS volume types?

Answer 19

Magnetic

Question 20

Which EBS volume types are ideal for workloads where data are accessed infrequently, and applications where the lowest storage cost is important?

Answer 20

Magnetic Volumes

Question 21

Which EBS volume type allows you to use the multi-attach feature?

Answer 21

Provisioned IOPS io2 or io1 volumes.

Question 22

The EBS multi attach feature only allows an EBS volume to be attached on multiple instances within ____________

Answer 22

1 Availability Zone

Question 23

____________ is an easy-to-use, high-performance block storage service designed for use with Amazon Elastic Compute Cloud (EC2) for both throughput and transaction-intensive workloads at any scale.

Answer 23

Amazon Elastic Block Store (EBS)

Question 24

__________________ is an object storage service that offers industry-leading scalability, data availability, security, and performance.

Answer 24

Amazon Simple Storage Service (S3)

Question 25

In an __________________, you can define rules to transition objects from one storage class to another to save on storage costs.

Answer 25

S3 Lifecycle configuration.

Question 26

A ____________ is simply a temporary block-level storage for EC2 instances.

Answer 26

Instance Store Volume

Question 27

You can specify the instance store volumes for your instance only when?

Answer 27

You launch it.

Question 28

Encryption by default is a _______________ setting. If you enable it for a ______________, you can not disable it for individual volumes or snapshots in that __________.

Answer 28

Region

Question 29

Does Amazon EBS support asymmetric KMS keys?

Answer 29

No, to encrypt an EBS snapshot, you need to use symmetric encryption KMS keys.

Question 30

A company is using an On-Demand EC2 instance to host a legacy web application that uses an Amazon Instance Store-Backed AMI. The web application should be decommissioned as soon as possible and hence, you need to terminate the EC2 instance. When the instance is terminated, what happens to the data on the root volume?

Answer 30

Data is automatically deleted.

Question 31

EBS volumes support _________________ while in production which means that you can modify the volume type, volume size, and IOPS capacity without service interruptions.

Answer 31

Live configuration changes

Question 32

When you create an EBS volume in an Availability Zone, it is ______________ within that zone to prevent data loss due to a failure of any single hardware component.

Answer 32

Automatically replicated

Question 33

After you create an EBS volume, you can attach it to any instance where?

Answer 33

In the same availability zone

Question 34

EBS encryption enables data at rest security by encrypting your data using _______________, or ________________.

Answer 34

Amazon-managed keys or keys you create using the AWS Key Management Service (KMS)

Question 35

___________________ provides simple, scalable, elastic file storage for use with AWS Cloud services and on-premises resources.

Answer 35

Amazon Elastic File System (EFS)

Question 36

When mounted on Amazon EC2 instances, an ________________ provides a standard file system interface and file system access semantics, allowing you to seamlessly integrate this service with your existing applications and tools.

Answer 36

Amazon Elastic File System

Question 37

_____________ is an in-memory data store that improves the performance of your applications.

Answer 37

Amazon ElastiCache

Question 38

When you see the phrase “allow concurrent connections from multiple EC2 instances” which AWS storage option should you think of?

Answer 38

Amazon Elastic File Storage

Question 39

Which AWS storage solution is more suitable for scenarios where it is required to have a POSIX-compatible file system or if you are storing rapidly changing data?

Answer 39

Amazon EFS

Question 40

Which storage solution makes data available through an Internet API that can be accessed anywhere?

Answer 40

Amazon S3

Question 41

Which storage solution can deliver performance for workloads that require the lowest-latency access to data from a single EC2 instance?

Answer 41

Amazon EBS

Question 42

You can use ______________ with Amazon ECS to access file system data across your fleet of Amazon ECS tasks. That way, your tasks have access to the same persistent storage, no matter the infrastructure or container instance on which they land.

Answer 42

Amazon EFS file systems

Question 43

With _____________ mode, a file system’s throughput scales as the amount of data stored in the EFS standard or One Zone storage class grows.

Answer 43

Bursting Throughput mode

Question 44

__________________ mode for Amazon EFS is available for applications with high throughput to storage (MiB/s per TiB) ratios.

Answer 44

Provisioned Throughput Mode