Interview Q&A / AWS & Cloud
AWS & Cloud interview questions
EC2, S3, Lambda, IAM and VPC basics, with when to pick which service.
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- What are EC2 placement groups and what are the three strategies?
A placement group controls how instances sit on physical hardware. Cluster packs them close for low latency, spread puts each on separate hardware to limit correlated failure, and partition groups them in racks that do not share hardware.
IntermediateQuick answer1 min read