01
Front
When is On-Demand a good fit?
Back
Pay for compute as you use it, without a long-term commitment. It suits short, variable, or uncertain workloads and workloads that must remain available.
Free Online Flashcard Deck
2 AWS Pricing Models Free Online FlashCards
Study 2 AWS Pricing Models with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
12 cards
02
Front
What usage commitment defines a Savings Plan?
Back
You commit to a specified amount of eligible compute usage, measured in dollars per hour, for one or three years.
03
Front
What is the risk of overcommitting to a Savings Plan?
Back
You still pay for the committed amount if eligible usage falls below it, so unused commitment can go to waste.
04
Front
Which Savings Plan best fits changing instance families and Regions?
Back
A Compute Savings Plan offers broader flexibility across eligible compute usage, including changes in instance families and Regions.
05
Front
What does an EC2 Instance Savings Plan commit to?
Back
An EC2 Instance Savings Plan is a more specific commitment to an EC2 instance family and Region.
06
Front
What is the core commitment of an EC2 Reserved Instance?
Back
An RI commits to a specified EC2 configuration for one or three years in return for a billing discount.
07
Front
How do Regional and Zonal RIs differ on capacity?
Back
A Regional RI provides a discount but does not reserve capacity. A Zonal RI also reserves capacity in its specified Availability Zone.
08
Front
What is the key trade-off of Spot Instances?
Back
Spot uses spare EC2 capacity at a variable discount without a long-term commitment. AWS can interrupt it, so workloads must handle interruption.
09
Front
How much notice does a Spot interruption generally provide?
Back
Interruption notices generally provide two minutes. Workloads should be designed to tolerate interruption, such as by checkpointing or restarting.
10
Front
What hardware arrangement do Dedicated Instances provide?
Back
Dedicated Instances run on single-tenant hardware and are billed per instance. They do not provide host-level visibility or placement control.
11
Front
What control does a Dedicated Host provide?
Back
Dedicated Hosts rent a physical server dedicated to your use and are billed per host. They provide host-level visibility and placement control.
12
Front
When might a Dedicated Host support existing software licenses?
Back
Dedicated Hosts may suit eligible existing licenses tied to sockets, cores, or VMs. Check license terms and host utilization before choosing one.
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