EC2 - Placement Groups Flashcards

1
Q

What is a Placement Group?

A

a logical grouping of instances within a single AZ.

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2
Q

Using placement groups…

A

…enables apps to participate in a low-latency, 10 Gbps network

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3
Q

Placement groups are recommended for…

A

…apps that benefit from low network latency, high network throughput, or both.

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4
Q

Can a placement group span multiple AZs?

A

No, it’s a single point of failure

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5
Q

The name you specify for a placement group…

A

…must be unique within your AWS account.

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6
Q

Which instances can be launched in a placement group?

A

Compute Optimized, GPU, Memory Optimized, Storage Optimized

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7
Q

T/F: AWS recommends homogeneous instances w/in placement groups.

A

True

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8
Q

Can you merge placement groups?

A

No

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9
Q

Can you move an existing instance into a placement group?

A

No. Create an AMI from your existing instance, and launch a new instance from the AMI into a placement group

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