Purchasing Options Flashcards by andy olk

what option has no long term commitment, pay for what you use, recommended for short term and un-interrupted workloads, where you can’t predict how the application will behave

EC2 on demand

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EC2 on Demand - how are you billed on a Mac?

Per second
Per minute
Per hour
Flat monthly Fee

per hour

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EC2 on Demand - how are you billed on Windows/Linux OS?

Per hour
Per minute
First second and then Per minute
Per second

first second and then per minute

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EC2 on Demand - how much upfront payment is required?

none

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what is the most expensive EC2 Purchase option?

on demand

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What type of instance options offer 1 and 3 year options?

Reserved instances

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What are the two lengths of service offered for reserved instances?

1 and 3 years, respectively

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Reserved instance offered about how much of a discount when compared to “on demand” instance?

72%

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Reserve instance - what payment options are afforded?

break your kneecaps
all upfront
no / some / all upfront
use more / pay less

no upfront costs, partial upfront, all upfront

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Rate these in order of how expensive they are, from least to most expensive?
- pay 100% upfront
- pay percentage upfront
- pay none upfront

pay 100% upfront
pay percentage upfront
pay none upfront

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which instances can be bought/sold on the instance marketplace

Reserved
Spot
Dreamlike
On Demand

Reserved instances

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what type of usage is Reserve instances recommended for?

steady state usage (database)

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This type of Reserve Instance offers about a 66% discount compared to the most expensive “on demand” and you can change instance type, family, OS, scope, tenancy

Convertible Reserved Instance

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this type of instance offers the same level of discount (72%) as Reserved Instance

EC2 Savings Plan

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In this type of instance, you commit to a certain type of usage ($10/hour for 1 or 3 years)

EC2 Savings Plan

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EC2 Savings plan - how is usage billed that goes beyond the committed usage rate?

It’s not, you’re instance is terminated
At Spot instance rates
With a hug & kiss
On Demand rates

at “on demand” rates

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this type of instance locks to a specific family & AWS region

EC2 Savings Plan

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EC2 Reserved instance - is it reserve or flexible for specific instance attributes (instance type, region, tenancy, OS)?

reserved

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EC2 Savings Plan - is it reserve or flexible for specific instance attributes (instance type, region, tenancy, OS)?

flexible

most cost efficient type of instances, about 90% cheaper than “on demand”

Spot instances

instance that you can lose at any time if your “max” price is less than the current price

Spot instance

these types of jobs are best suited for Spot instances

batch jobs, data analysis, image processing, distributed workloads, workloads w/flexible start/end times

these types of jobs are NOT suited for Spot instances

database, any type of critical job

the most expensive type of purchasing options

Dedicated hosts

this type of purchasing option reserves actual hardware

Dedicated hosts

if you want a purchasing option where you can use your existing server-bound (per socket, per core) software licenses Savings Plan Dedicated Hosts Reserved instance Capacity reserved instance

Dedicated Hosts

what type of purchasing options are available for "Dedicated Hosts"? (length of time, payment options) 1 & 3 year / pay none, some or all upfront Pay as you go 1 & 3 year / pay all 1 & 3 year / pay less if dedicating more

1 or 3 year all up front, some up front, none up front

this type of purchasing option is helpful for BYOL (bring your license) and other complicated scenarios

Dedicated Hosts

Good purchasing option for companies with strong regulatory or compliance needs

Dedicated Hosts

runs on hardware that is dedicated to you (different than Dedicated Hosts) Dedicated instance Capacity reserved Dedicated ice tea Smart instances

Dedicated Instance

this type of purchasing option may share dedicated hardware with other instances in your same account

Dedicated Instance

What type of control over instance placement does Dedicated Instance offer?

none

this type of purchasing option offers on-demand instances capacity in specific AZs for any duration

Capacity Reservation

this type of purchasing option always has access to EC2 capacity when needed

Capacity Reservation

what type of time commitments are required for Capacity Reservations? What type of billing discounts?

none and none

this type of purchasing option will charge you on-demand rates whether you're running instances or not

Capacity Reservation

short term, un-interrupted workloads that need to be in a specific AZ need what type of purchasing option?

Capacity Reservation

in "Resort" speak, you're planning to stay ahead and want to plan your stay for the best discount you can get.

Reserved Instance

"Resort" speak, pay certain $ per hour for certain specific period and stay in ANY room (King, Suite, Sea View, etc)

EC2 Plan Savings

"Resort" speak - hotel allows billing for currently empty rooms, highest bidder keeps the room, can get kicked out at anytime Capacity reserved Vegas baby, Vegas Spot instances Savings plan

Spot Instances

"Resort" speak - entire building of a resort

Dedicated Host

"Resort" speak - book/pay full price of "x" time whether occupying room or not

Capacity Reservation

one characteristic of a Convertible Instance? It's very personable It's a sporty car It's the bees knees It's flexible

flexibility

one characteristic of a Capacity Reservation

can reserve capacity in a specific AZ

three types of purchasing options that that rely on 1 or 3 year commitments

Reserved Convertible Reserved EC2 Savings Plan

What are the four type of elastic load balancers?

Application, Network, Gateway, and Classic