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AWS SAA-C02 > EC2 Placement Group > Flashcards

EC2 Placement Group Flashcards

1
Q

Placement Group

A

Controls strategy of where instances are placed

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2
Q

placement strategies (3)

EC2 Placement Group

A
  • cluster
  • spread
  • partition

EC2 Placement Group

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3
Q

Cluster

EC2 Placement Group

A

clusters instances in same rack in AZ

EC2 Placement Group

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4
Q

benefit

Cluster

A

low latency

Cluster

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5
Q

use case

Cluster

A

data needs to be processed fast and failure is tolerable

Cluster

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6
Q

spread

EC2 Placement Group

A

spreads instances across hardware

EC2 Placement Group

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7
Q

limitation

Spread

A

max 7 instances per AZ

Spread

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8
Q

benefit

Spread

A

reduced risk of simultaneous failure

Spread

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9
Q

use case

Spread

A

highly available application where failure must be isolated

Spread

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10
Q

partition

EC2 Placement Group

A

spread instances across “partitions” (sets of racks) in AZ

EC2 Placement Group

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11
Q

feature

Partition

A

multiple instances on a partition

Partition

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12
Q

benefit

Partition

A

may have more than 7 instances per AZ

Partition

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13
Q

use case

Partition

A

big data application that is partition aware

Partition

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14
Q

Controls strategy of where instances are placed

A

Placement Group

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15
Q
  • cluster
  • spread
  • partition

EC2 Placement Group

A

placement strategies (3)

EC2 Placement Group

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16
Q

clusters instances in same rack in AZ

EC2 Placement Group

A

Cluster

EC2 Placement Group

17
Q

low latency

Cluster

A

benefit

Cluster

18
Q

data needs to be processed fast and failure is tolerable

Cluster

A

use case

Cluster

19
Q

spreads instances across hardware

EC2 Placement Group

A

spread

EC2 Placement Group

20
Q

max 7 instances per AZ

Spread

A

limitation

Spread

21
Q

reduced risk of simultaneous failure

Spread

A

benefit

Spread

22
Q

highly available application where failure must be isolated

Spread

A

use case

Spread

23
Q

spread instances across “partitions” (sets of racks) in AZ

EC2 Placement Group

A

partition

EC2 Placement Group

24
Q

multiple instances on a partition

Partition

A

feature

Partition

25
Q

may have more than 7 instances per AZ

Partition

A

benefit

Partition

26
Q

big data application that is partition aware

Partition

A

use case

Partition

AWS SAA-C02 (47 decks)

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