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AWS SAA-C02 > EBS > Flashcards

EBS Flashcards

1
Q

EBS

A

Elastic Block Store
Block storage designed to be connected to EC2 instances

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2
Q

Volume sizing feature

EBS

A

Scalable volumes

EBS

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3
Q

Volume types (4)

EBS

A
  • General purpose SSD
  • Provisioned IOPS SSD
  • Optimized HDD
  • Cold HDD

EBS

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4
Q

Data loss protection

EBS

A

Optional snapshots

EBS

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5
Q

Availability

EBS

A

Redundancy in AZ

EBS

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6
Q

Optional feature

EBS

A

Encryption

EBS

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7
Q

Use Case

EBS Provisioned IOPS SSD

A

Low latency required applications

EBS Provisioned IOPS SSD

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8
Q

Use Case

EBS Cold HDD

A

Less frequently accessed data

EBS Cold HDD

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9
Q

moveability feature

EBS

A

can be attached and detached between instances

EBS

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10
Q

AZ limitation

EBS

A

can only be attached to instances in same AZ

EBS

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11
Q

Delete on termination

EBS

A

EBS is deleted when attached instance is terminated

EBS

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12
Q

root EBS default

Delete on termination

A

enable by default

Delete on termination

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13
Q

attached EBS default

Delete on termination

A

disabled by default

Delete on termination

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14
Q

option to change setting

Delete on termination

A

any time in EBS settings

Delete on termination

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15
Q

snapshots

EBS

A

point in time snapshot of EBS

EBS

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16
Q

AZ feature

snapshots

A

may copy snapshots across AZs

snapshots

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17
Q

archive tier

snapshots

A

tier of storage to save money at expense of recovery time

snapshots

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18
Q

recycle bin

snapshots

A

allow deleted snapshots to be restored

snapshots

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19
Q

FSR

snapshots

A

Fast Snapshot Recovery
expensive, full initialization of snapshot with no latency

snapshots

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20
Q

Volume types (3/4)

EBS

A
  • General Purpose
  • Provisioned IOPS
  • Thoughput optimized HDD
  • Cold HDD

EBS

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21
Q

General Purpose

EBS volume types

A

Low cost and good latency

EBS volume types

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22
Q

gp2

General Purpose

A

size and IOPS are linked

General Purpose

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23
Q

gp3

General Purpose

A

can increase IOPS and throughput independently

General Purpose

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24
Q

io1 / io2

EBS volume types

A

Provisioned IOPS

EBS volume types

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25
Provisioned IOPS | EBS volume types
for sustained IOPS performance | EBS volume types
26
minimum IOPS | Provisioned IOPS
16000 IOPS | Provisioned IOPS
27
max IOPS | Provisioned IOPS
64000 IOPS | Provisioned IOPS
28
io2 Block Express max IOPS | Provisioned IOPS
256000 IOPS | Provisioned IOPS
29
EBS Multi-Attach | Provisioned IOPS
may attach up to 16 instances in the same AZ to the same drive | Provisioned IOPS
30
instance permissions | EBS Multi-Attach
full read and right | EBS Multi-Attach
31
use case | EBS Multi-Attach
cluster aware application | EBS Multi-Attach
32
filesystem requirement | EBS Multi-Attach
must be cluster-aware | EBS Multi-Attach
33
HDD limitation | EBS volume types
cannot be a boot volume | EBS volume types
34
st1 | EBS volume types
Throughput optimized HDD | EBS volume types
35
use case | st1
large volumes of data | st1
36
sc1 | EBS volume types
cold HDD | EBS volume types
37
use case | sc1
rarely accessed archive data | sc1
38
benefit | sc1
low cost | sc1
39
encryption | EBS
data at rest and in flight are encrypted | EBS
40
snapshot handling | encryption
snapshots are encrypted | encryption
41
impact | encryption
minimal impact on latency | encryption
42
user intervention | encryption
user only has to provide a KMS key and select a checkbox | encryption
43
how key is provided | encryption
uses a KMS key (AES-256) | encryption
44
# ncryption steps to encypt an unencrypted volume (4) | encryption
1. create a snapshot 2. encrypt a copy of that snapshot 3. create new ebs volume from snapshot 4. attach volume to original instance | encryption
45
Elastic Block Store Block storage designed to be connected to EC2 instances
EBS
46
Scalable volumes | EBS
Volume Feature | EBS
47
* General purpose SSD * Provisioned IOPS SSD * Optimized HDD * Cold HDD | EBS
Volume types (4) | EBS
48
Optional snapshots | EBS
Data loss protection | EBS
49
Redundancy in AZ | EBS
Availability | EBS
50
Encryption | EBS
Optional feature | EBS
51
Low latency required applications | EBS Provisioned IOPS SSD
Use Case | EBS Provisioned IOPS SSD
52
Less frequently accessed data | EBS Cold HDD
Use Case | EBS Cold HDD
53
can be attached and detached between instances | EBS
moveability feature | EBS
54
can only be attached to instances in same AZ | EBS
AZ limitation | EBS
55
EBS is deleted when attached instance is terminated | EBS
Delete on termination | EBS
56
enable by default | Delete on termination
root EBS default | Delete on termination
57
disabled by default | Delete on termination
attached EBS default | Delete on termination
58
may change setting at any time in EBS settings | Delete on termination
setting | Delete on termination
59
point in time snapshot of EBS | EBS
snapshots | EBS
60
may copy snapshots across AZs | snapshots
AZ feature | snapshots
61
tier of storage to save money at expense of recovery time | snapshots
archive tier | snapshots
62
allow deleted snapshots to be restored | snapshots
recycle bin | snapshots
63
Fast Snapshot Recovery expensive, full initialization of snapshot with no latency | snapshots
FSR | snapshots
64
* General Purpose * Provisioned IOPS * Thoughput optimized HDD * Cold HDD | EBS
Volume types (3/4) | EBS
65
Low cost and good latency | EBS volume types
General Purpose | EBS volume types
66
size and IOPS are linked | General Purpose
gp2 | General Purpose
67
can increase IOPS and throughput independently | General Purpose
gp3 | General Purpose
68
Provisioned IOPS | EBS volume types
io1 / io2 | EBS volume types
69
for sustained IOPS performance | EBS volume types
Provisioned IOPS | EBS volume types
70
16000 IOPS | Provisioned IOPS
minimum IOPS | Provisioned IOPS
71
64000 IOPS | Provisioned IOPS
max IOPS | Provisioned IOPS
72
256000 IOPS | Provisioned IOPS
io2 Block Express max IOPS | Provisioned IOPS
73
may attach up to 16 instances in the same AZ to the same drive | Provisioned IOPS
EBS Multi-Attach | Provisioned IOPS
74
full read and right | EBS Multi-Attach
instance permissions | EBS Multi-Attach
75
cluster aware application | EBS Multi-Attach
use case | EBS Multi-Attach
76
must be cluster-aware | EBS Multi-Attach
filesystem requirement | EBS Multi-Attach
77
cannot be a boot volume | EBS volume types
HDD limitation | EBS volume types
78
Throughput optimized HDD | EBS volume types
st1 | EBS volume types
79
large volumes of data | st1
use case | st1
80
cold HDD | EBS volume types
sc1 | EBS volume types
81
rarely accessed archive data | sc1
use case | sc1
82
low cost | sc1
benefit | sc1
83
data at rest and in flight are encrypted | EBS
encryption | EBS
84
snapshots are encrypted | encryption
snapshot handling | encryption
85
minimal impact on latency | encryption
impact | encryption
86
user only has to provide a KMS key and select a checkbox | encryption
user intervention | encryption
87
uses a KMS key (AES-256) | encryption
how key is provided | encryption
88
1. create a snapshot 2. encrypt a copy of that snapshot 3. create new ebs volume from snapshot 4. attach volume to original instance | encryption
# ncryption steps to encypt an unencrypted volume (4) | encryption

AWS SAA-C02 (48 decks)

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