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Amazon EC2 Instance Contract Length options
1 and 3 years
Amazon EC2 Instances Types (5)
General Purpose
Compute Optimized
Memory Optimized
Accelerated computing
Storage optimized
Amazon EC2; General Purpose Instances (4)
application servers
gaming servers
backend servers for enterprise applications
small and medium databases
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Amazon EC2; Compute Optimized
is ideal for compute-bound applications that benefit from high-performance processors.
Amazon EC2; Memory Optimized
is designed to deliver fast performance for workloads that process large datasets/databases in
memory
Amazon EC2; Accelerated computing
use hardware accelerators, or coprocessors, to perform some functions more efficiently than is
possible in software running on CPUs
Amazon EC2; Storage optimized
designed for workloads that require high, sequential read and write access to large datasets on
local storage
Amazon EC2; Pricing Types (5)
On-Demand
Reserved instances
EC2 Instance Savings Plans
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Questions & Answers | Grade A
Spot Instances
Dedicated Hosts
Amazon EC2 Pricing; On-Demand- (3 Definition points)
*ideal for short-term, irregular workloads that cannot be interrupted.
*No upfront costs or minimum contracts apply.
*The instances run continuously until you stop them, and you pay for only the compute time you
use.
Amazon EC2 Pricing; Reserved instances (2)
*Standard Reserved Instances
if you know the EC2 instance type and size you need for your steady-state applications and in
which AWS Region you plan to run them.
*Convertible Reserved Instances
If you need to run your EC2 instances in different Availability Zones or different instance types
Amazon EC2 Pricing; EC2 Instance Savings Plans (Contract and Savings %)
* 1-year or 3-year term
* 72 percent compared to On-Demand rates.
, WGU D282 Objective Assessment Exam
(Latest 2026/ 2027 Update) Cloud
Foundations guide| 100% Verified
Questions & Answers | Grade A
Any ousage oup oto othe ocommitment ois ocharged oat othe odiscounted oSavings oPlans orate
o Any ousage obeyond othe ocommitment ois ocharged oat oregular oOn-Demand orates.
Amazon oEC2 oPricing; oSpot oInstances
*workloads owith oflexible ostart oand oend otimes, oor othat ocan owithstand ointerruptions.
*use ounused oAmazon oEC2 ocomputing ocapacity oand ooffer oyou ocost osavings oat oup oto o90% ooff oof oOn-
oDemand oprices.
Amazon oEC2 oAuto oScaling oTypes o(5)
o desired ocapacity
predictive oscaling
o dynamic oscaling
o minimum
capacity
o
maximum ocapacity
Amazon oEC2 oAuto oScaling oDefinition
enables oyou oto oautomatically oadd oor oremove oAmazon oEC2 oinstances oin oresponse oto ochanging
oapplication odemand.