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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

move snapshots to archive tier 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 Recoverh
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
Q

Provisioned IOPS

EBS volume types

A

for sustained IOPS performance

EBS volume types

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26
Q

minimum IOPS

Provisioned IOPS

A

16000 IOPS

Provisioned IOPS

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27
Q

max IOPS

Provisioned IOPS

A

64000 IOPS

Provisioned IOPS

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28
Q

io2 Block Express max IOPS

Provisioned IOPS

A

256000 IOPS

Provisioned IOPS

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29
Q

EBS Multi-Attach

Provisioned IOPS

A

may attach up to 16 instances in the same AZ to the same drive

Provisioned IOPS

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30
Q

instance permissions

EBS Multi-Attach

A

full read and right

EBS Multi-Attach

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31
Q

use case

EBS Multi-Attach

A

cluster aware application

EBS Multi-Attach

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32
Q

filesystem requirement

EBS Multi-Attach

A

must be cluster-aware

EBS Multi-Attach

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33
Q

HDD limitation

EBS volume types

A

cannot be a boot volume

EBS volume types

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34
Q

st1

EBS volume types

A

Throughput optimized HDD

EBS volume types

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35
Q

use case

st1

A

large volumes of data

st1

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36
Q

sc1

EBS volume types

A

cold HDD

EBS volume types

37
Q

use case

sc1

A

rarely accessed archive data

sc1

38
Q

benefit

sc1

A

low cost

sc1

39
Q

encryption

EBS

A

data at rest and in flight are encrypted

EBS

40
Q

snapshot handling

encryption

A

snapshots are encrypted

encryption

41
Q

impact

encryption

A

minimal impact on latency

encryption

42
Q

user intervention

encryption

A

user only has to provide a KMS key and select a checkbox

encryption

43
Q

how key is provided

encryption

A

uses a KMS key (AES-256)

encryption

44
Q

ncryption

steps to encypt an unencrypted volume (4)

encryption

A
  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
Q

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

A

EBS

46
Q

Scalable volumes

EBS

A

Volume Feature

EBS

47
Q
  • General purpose SSD
  • Provisioned IOPS SSD
  • Optimized HDD
  • Cold HDD

EBS

A

Volume types (4)

EBS

48
Q

Optional snapshots

EBS

A

Data loss protection

EBS

49
Q

Redundancy in AZ

EBS

A

Availability

EBS

50
Q

Encryption

EBS

A

Optional feature

EBS

51
Q

Low latency required applications

EBS Provisioned IOPS SSD

A

Use Case

EBS Provisioned IOPS SSD

52
Q

Less frequently accessed data

EBS Cold HDD

A

Use Case

EBS Cold HDD

53
Q

can be attached and detached between instances

EBS

A

moveability feature

EBS

54
Q

can only be attached to instances in same AZ

EBS

A

AZ limitation

EBS

55
Q

EBS is deleted when attached instance is terminated

EBS

A

Delete on termination

EBS

56
Q

enable by default

Delete on termination

A

root EBS default

Delete on termination

57
Q

disabled by default

Delete on termination

A

attached EBS default

Delete on termination

58
Q

may change setting at any time in EBS settings

Delete on termination

A

setting

Delete on termination

59
Q

point in time snapshot of EBS

EBS

A

snapshots

EBS

60
Q

may copy snapshots across AZs

snapshots

A

AZ feature

snapshots

61
Q

move snapshots to archive tier to save money at expense of recovery time

snapshots

A

archive tier

snapshots

62
Q

allow deleted snapshots to be restored

snapshots

A

recycle bin

snapshots

63
Q

expensive, full initialization of snapshot with no latency

snapshots

A

FSR

snapshots

64
Q
  • General Purpose
  • Provisioned IOPS
  • Thoughput optimized HDD
  • Cold HDD

EBS

A

Volume types (3/4)

EBS

65
Q

Low cost and good latency

EBS volume types

A

General Purpose

EBS volume types

66
Q

size and IOPS are linked

General Purpose

A

gp2

General Purpose

67
Q

can increase IOPS and throughput independently

General Purpose

A

gp3

General Purpose

68
Q

Provisioned IOPS

EBS volume types

A

io1 / io2

EBS volume types

69
Q

for sustained IOPS performance

EBS volume types

A

Provisioned IOPS

EBS volume types

70
Q

16000 IOPS

Provisioned IOPS

A

minimum IOPS

Provisioned IOPS

71
Q

64000 IOPS

Provisioned IOPS

A

max IOPS

Provisioned IOPS

72
Q

256000 IOPS

Provisioned IOPS

A

io2 Block Express max IOPS

Provisioned IOPS

73
Q

may attach up to 16 instances in the same AZ to the same drive

Provisioned IOPS

A

EBS Multi-Attach

Provisioned IOPS

74
Q

full read and right

EBS Multi-Attach

A

instance permissions

EBS Multi-Attach

75
Q

cluster aware application

EBS Multi-Attach

A

use case

EBS Multi-Attach

76
Q

must be cluster-aware

EBS Multi-Attach

A

filesystem requirement

EBS Multi-Attach

77
Q

cannot be a boot volume

EBS volume types

A

HDD limitation

EBS volume types

78
Q

Throughput optimized HDD

EBS volume types

A

st1

EBS volume types

79
Q

large volumes of data

st1

A

use case

st1

80
Q

cold HDD

EBS volume types

A

sc1

EBS volume types

81
Q

rarely accessed archive data

sc1

A

use case

sc1

82
Q

low cost

sc1

A

benefit

sc1

83
Q

data at rest and in flight are encrypted

EBS

A

encryption

EBS

84
Q

snapshots are encrypted

encryption

A

snapshot handling

encryption

85
Q

minimal impact on latency

encryption

A

impact

encryption

86
Q

user only has to provide a KMS key and select a checkbox

encryption

A

user intervention

encryption

87
Q

uses a KMS key (AES-256)

encryption

A

how key is provided

encryption

88
Q
  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

A

ncryption

steps to encypt an unencrypted volume (4)

encryption

AWS SAA-C02 (42 decks)

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