which of the following feature should you use?

In order to optimize performance for a compute cluster that requires low inter-node latency, which of the
following feature should you use?

In order to optimize performance for a compute cluster that requires low inter-node latency, which of the
following feature should you use?

A.
Multiple Availability Zones

B.
AWS Direct Connect

C.
EC2 Dedicated Instances

D.
Placement Groups

E.
VPC private subnets

Explanation:
http://aws.amazon.com/ec2/faqs/ (enhanced networking)

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McEphin

McEphin

D, Placement Groups (or enhanced networking if they give that as an answer on the test)

http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html

A placement group is a logical grouping of instances within a single Availability Zone. Placement groups are recommended for applications that benefit from low network latency, high network throughput, or both. To provide the lowest latency, and the highest packet-per-second network performance for your placement group, choose an instance type that supports enhanced networking. For more information, see Enhanced Networking.

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