EC2 Storage (EBS/Instance Store)

Question 1

Storage which is physically connected directly to a device at launch time only

Answer 1

Direct (local) attached storage (Instance Store)

Question 2

Volumes are created and logically attached to a device over a network

Answer 2

Network Attached Storage (EBS)

Question 3

Temporary storage is called

Answer 3

Ephemeral Storage

Question 4

Permanent storage that lives past the lifetime of the instance

Answer 4

Persistent Storage

Question 5

is EBS persistent storage

Answer 5

Yes

Question 6

Storage volume presented to the OS as a collection of mountable and bootable blocks.

Answer 6

Block Storage

Question 7

Can you boot off an EBS volume?

Answer 7

Yes

Question 8

Storage is presented as a mountable file share, but is not bootable

Answer 8

File Storage

Question 9

Storage of a collection of objects without the ability to be mountable, or bootable

Answer 9

Object Storage

Question 10

persistent block-level storage service that you usually attach to your Amazon EC2 instances

Answer 10

Elastic Block Storage EBS

Question 11

Can block storage be encrypted?

Answer 11

Yes by using KMS

Question 12

Instances see block device and create file systems on the device

Answer 12

True

Question 13

How many AZ is storage provisioned in?

Answer 13

One

Question 14

How to backup Volumes?

Answer 14

Snapshots and create a volume from the snapshot

Question 15

Does EBS replicate data across AZ?

Answer 15

No only within an AZ

Question 16

How do you provide global resilience for EBS

Answer 16

Copy snapshots of volumes to another region

Question 17

1 GB – 16 TB General Purpose SSD volume that balances price performance for a wide variety of transactional workloads

Answer 17

General Purpose SSD (gp2/gp3)

Question 18

What can a gp2 burst up to?

Answer 18

3000 iops

Question 19

Volumes larger than 1000 GB means the credit system isnt used and you always achieve baseline performance

Answer 19

True

Question 20

Maxmium IO credits per second for volumes larger than 1000 gb

Answer 20

16000

Question 21

storage used for boot volumes, low latency interactive apps, dev & test

Answer 21

gp2/gp3

Question 22

storage volume that starts with 3000 IOPS and 125 MiB/s with the ability to purchase higher IOPS and mib/s

Answer 22

gp3

Question 23

does gp3 have 4x faster max throughput vs gp2?

Answer 23

Yes 1000 MiB/s max

Question 24

High performance SSD volume designed for latency-sensitive transactional workloads and I/O-intensive database workloads

Answer 24

io1

Question 25

High performance SSD volume designed for business-critical latency-sensitive applications and workloads that require sub-millisecond latency

Answer 25

io2

Question 26

max throughput of io1/io2

Answer 26

64,000

Question 27

max MiB/s of io1/io2

Answer 27

1000

Question 28

Low cost HDD volume designed for frequently accessed, throughput-intensive workloads (throughput optimized)

Answer 28

st1 (throughput optimized)

Question 29

Throughput-oriented HDD storage for data that is infrequently accessed or scenarios where the lowest storage cost is (cold hdd) important

Answer 29

sc1 (cold hdd)

Question 30

storage type which has small, random I/O operations

Answer 30

SSD storage

Question 31

storage type for large, sequential I/O operations.

Answer 31

HDD storage

Question 32

Does Instance store perform with more IOPS and throughput than EBS?

Answer 32

Yes

Question 33

If you need persistence storage you should default to?

Answer 33

EBS

Question 34

If you need resilient storage you should default to?

Answer 34

EBS

Question 35

If you need storage isolated from instances you should default to?

Answer 35

EBS

Question 36

If you need storage with super high performance you should default to?

Answer 36

Instance Store

Question 37

If cost is a concern what storage you should default to?

Answer 37

Instance Store

Question 38

If you need cheap persistence storage what EBS type should you use?

Answer 38

ST1 or SC2

Question 39

If you need persistence storage balanced for throughput or streaming what EBS should you default to?

Answer 39

ST1

Question 40

Can ST1 or SC2 be used as boot volumes?

Answer 40

No

Question 41

If you need storage with IOPS up to 16,000 what should you default to?

Answer 41

GP2/3

Question 42

If you need storage with IOPS up to 64,000 what should you default to?

Answer 42

IO1/2

Question 43

Individual volumes combined together with the ability to reach up to 260,000 IOPS (max IOPS per instance)

Answer 43

RAID0 + EBS

Question 44

If you need storage with IOPS larger than 260,000 what should you default to?

Answer 44

Instance Store

Question 45

automate the creation of EBS snapshots

Answer 45

Amazon Data Lifecycle Manager (Amazon DLM)

Question 46

Do EBS volumes support live configuration changes while in production without service interruptions

Answer 46

Yes