AWS Billing, Pricing, and Cost Management Flashcards

A company runs workloads on EC2, AWS Fargate, and AWS Lambda and wants one flexible commitment that discounts all three. Which option fits best?

Answer: Compute Savings Plans

Compute Savings Plans apply across EC2, Fargate, and Lambda regardless of instance family, Region, or OS.

How much warning does AWS give before it interrupts a Spot Instance?

Answer: Two minutes

AWS sends a Spot Instance interruption notice two minutes before reclaiming the capacity.

Which Reserved Instance payment option gives the largest discount?

Answer: All Upfront

Paying the full commitment at the start gives the deepest RI discount.

A team wants an EC2 reservation discount but expects to change instance families during the term. Which option allows that?

Answer: Convertible Reserved Instances

Convertible RIs can be exchanged for RIs with different instance families, OS, or tenancy.

Which type of data transfer is generally free in AWS?

Answer: Inbound data transfer from the internet into AWS

AWS generally doesn't charge for data transferred into AWS from the internet.

A company must use existing per-socket, server-bound software licenses on EC2. Which purchasing option supports this?

Answer: Dedicated Hosts

Dedicated Hosts give visibility into physical sockets and cores, which BYOL server-bound licenses need.

What term lengths are available for Reserved Instances and Savings Plans?

Answer: 1 year or 3 years

RIs and Savings Plans are offered with 1-year or 3-year commitments.