WGU D282 Objective Assessment Exam (Latest 2026/ 2027
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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
,Amazon EC2; Compute Optimized is ideal for compute-bound applications that benefit
from high-performance processors.
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.
Any usage up to the commitment is charged at the discounted Savings Plans rate
Any usage beyond the commitment is charged at regular On-Demand rates.
,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; Memory Optimized
is designed to deliver fast performance for workloads that process large datasets/databases in
memory
Amazon EC2; Pricing Types (5)
On-Demand
Reserved instances
EC2 Instance Savings Plans
Spot Instances
Dedicated Hosts
Amazon EC2; Storage optimized
designed for workloads that require high, sequential read and write access to large datasets on
local storage
Amazon EC2 Pricing; Spot Instances
*workloads with flexible start and end times, or that can withstand interruptions.
*use unused Amazon EC2 computing capacity and offer you cost savings at up to 90% off of
OnDemand prices.
Amazon EC2 Auto Scaling Types (5)
desired capacity predictive scaling
dynamic scaling minimum capacity
maximum capacity
, Amazon EC2 Auto Scaling Definition
enables you to automatically add or remove Amazon EC2 instances in response to changing
application demand.
Amazon EC2 Auto Scaling; dynamic esponds
to changing demand.
Amazon Simple Notification Service (Amazon SNS)
is a publish/subscribe service. Using Amazon SNS topics, a publisher publishes messages to
subscribers.
subscribers can be web servers, email addresses, AWS Lambda functions, or several other
options.
Amazon Simple Queue Service (Amazon SQS)
is a message queuing service where you can send, store, and receive messages between software
components, without losing messages or requiring other services to be available.
AWS Lambda
AWS service for serverless computing is a service that lets you run code without
needing to provision or manage servers.
Update) Cloud Foundations | 100% Verified Questions &
Answers | A+ Guaranteed Pass.
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
,Amazon EC2; Compute Optimized is ideal for compute-bound applications that benefit
from high-performance processors.
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.
Any usage up to the commitment is charged at the discounted Savings Plans rate
Any usage beyond the commitment is charged at regular On-Demand rates.
,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; Memory Optimized
is designed to deliver fast performance for workloads that process large datasets/databases in
memory
Amazon EC2; Pricing Types (5)
On-Demand
Reserved instances
EC2 Instance Savings Plans
Spot Instances
Dedicated Hosts
Amazon EC2; Storage optimized
designed for workloads that require high, sequential read and write access to large datasets on
local storage
Amazon EC2 Pricing; Spot Instances
*workloads with flexible start and end times, or that can withstand interruptions.
*use unused Amazon EC2 computing capacity and offer you cost savings at up to 90% off of
OnDemand prices.
Amazon EC2 Auto Scaling Types (5)
desired capacity predictive scaling
dynamic scaling minimum capacity
maximum capacity
, Amazon EC2 Auto Scaling Definition
enables you to automatically add or remove Amazon EC2 instances in response to changing
application demand.
Amazon EC2 Auto Scaling; dynamic esponds
to changing demand.
Amazon Simple Notification Service (Amazon SNS)
is a publish/subscribe service. Using Amazon SNS topics, a publisher publishes messages to
subscribers.
subscribers can be web servers, email addresses, AWS Lambda functions, or several other
options.
Amazon Simple Queue Service (Amazon SQS)
is a message queuing service where you can send, store, and receive messages between software
components, without losing messages or requiring other services to be available.
AWS Lambda
AWS service for serverless computing is a service that lets you run code without
needing to provision or manage servers.
