D282 WGU WITH
CORRECT ANSWERS 2O25
Amazon EC2 Instance Contract Length options - CORRECT ANSWER-1 and 3 years
Amazon EC2 Instances Types (5) - CORRECT ANSWER-General Purpose
Compute Optimized
Memory Optimized
Accelerated computing
Storage optimized
Amazon EC2; General Purpose Instances (4) - CORRECT ANSWER-application
servers
gaming servers
backend servers for enterprise applications
small and medium databases
Amazon EC2; Compute Optimized - CORRECT ANSWER-is ideal for compute-bound
applications that benefit from high-performance processors.
Amazon EC2; Memory Optimized - CORRECT ANSWER-is designed to deliver fast
performance for workloads that process large datasets/databases in memory
Amazon EC2; Accelerated computing - CORRECT ANSWER-use hardware
accelerators, or coprocessors, to perform some functions more efficiently than is
possible in software running on CPUs
Amazon EC2; Storage optimized - CORRECT ANSWER-designed for workloads that
require high, sequential read and write access to large datasets on local storage
,Amazon EC2; Pricing Types (5) - CORRECT ANSWER-On-Demand
Reserved instances
EC2 Instance Savings Plans
Spot Instances
Dedicated Hosts
Amazon EC2 Pricing; On-Demand- (3 Definition points) - CORRECT ANSWER-*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) - CORRECT ANSWER-*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 %) -
CORRECT ANSWER-* 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 Pricing; Spot Instances - CORRECT ANSWER-*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 On-Demand prices.
Amazon EC2 Auto Scaling Types (5) - CORRECT ANSWER-desired capacity
predictive scaling
dynamic scaling
minimum capacity
maximum capacity
Amazon EC2 Auto Scaling Definition - CORRECT ANSWER-enables you to
automatically add or remove Amazon EC2 instances in response to changing
application demand.
Amazon EC2 Auto Scaling; dynamic - CORRECT ANSWER-esponds to changing
demand.
, Amazon EC2 Auto Scaling; predictive - CORRECT ANSWER-automatically schedules
the right number of Amazon EC2 instances based on predicted demand.
Amazon EC2 Auto Scaling; minimum - CORRECT ANSWER-is the number of Amazon
EC2 instances that launch immediately after you have created the Auto Scaling group.
Amazon EC2 Auto Scaling; desired - CORRECT ANSWER-What is the ideal capacity to
run the application
Amazon EC2 Auto Scaling; maximum - CORRECT ANSWER-The most instances you
want to scale up in case of demand.
Elastic Load Balancing - CORRECT ANSWER-is the AWS service that automatically
distributes incoming application traffic across multiple resources, such as Amazon EC2
instances.
Elastic Load Balancing; load balancer - CORRECT ANSWER-acts as a single point of
contact for all incoming web traffic to your Auto Scaling group.
Amazon Simple Notification Service (Amazon SNS) - CORRECT ANSWER-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) - CORRECT ANSWER-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 - CORRECT ANSWER-AWS service for serverless computing
is a service that lets you run code without needing to provision or manage servers.
You pay only for the compute time that you consume
Charges apply only when your code is running.
Amazon Elastic Container Service - CORRECT ANSWER-container management
system enables you to run and scale containerized applications
Amazon Elastic Container Service; Containers - CORRECT ANSWER-standard way to
package your application's code and dependencies into a single object.
Amazon Elastic Container Service; Docker - CORRECT ANSWER-*software platform
that enables you to build, test, and deploy applications quickly.
*can use API calls to launch and stop Docker-enabled applications.
Amazon Elastic Kubernetes Service (EKS) - CORRECT ANSWER-service that you can
use to run Kubernetes
CORRECT ANSWERS 2O25
Amazon EC2 Instance Contract Length options - CORRECT ANSWER-1 and 3 years
Amazon EC2 Instances Types (5) - CORRECT ANSWER-General Purpose
Compute Optimized
Memory Optimized
Accelerated computing
Storage optimized
Amazon EC2; General Purpose Instances (4) - CORRECT ANSWER-application
servers
gaming servers
backend servers for enterprise applications
small and medium databases
Amazon EC2; Compute Optimized - CORRECT ANSWER-is ideal for compute-bound
applications that benefit from high-performance processors.
Amazon EC2; Memory Optimized - CORRECT ANSWER-is designed to deliver fast
performance for workloads that process large datasets/databases in memory
Amazon EC2; Accelerated computing - CORRECT ANSWER-use hardware
accelerators, or coprocessors, to perform some functions more efficiently than is
possible in software running on CPUs
Amazon EC2; Storage optimized - CORRECT ANSWER-designed for workloads that
require high, sequential read and write access to large datasets on local storage
,Amazon EC2; Pricing Types (5) - CORRECT ANSWER-On-Demand
Reserved instances
EC2 Instance Savings Plans
Spot Instances
Dedicated Hosts
Amazon EC2 Pricing; On-Demand- (3 Definition points) - CORRECT ANSWER-*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) - CORRECT ANSWER-*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 %) -
CORRECT ANSWER-* 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 Pricing; Spot Instances - CORRECT ANSWER-*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 On-Demand prices.
Amazon EC2 Auto Scaling Types (5) - CORRECT ANSWER-desired capacity
predictive scaling
dynamic scaling
minimum capacity
maximum capacity
Amazon EC2 Auto Scaling Definition - CORRECT ANSWER-enables you to
automatically add or remove Amazon EC2 instances in response to changing
application demand.
Amazon EC2 Auto Scaling; dynamic - CORRECT ANSWER-esponds to changing
demand.
, Amazon EC2 Auto Scaling; predictive - CORRECT ANSWER-automatically schedules
the right number of Amazon EC2 instances based on predicted demand.
Amazon EC2 Auto Scaling; minimum - CORRECT ANSWER-is the number of Amazon
EC2 instances that launch immediately after you have created the Auto Scaling group.
Amazon EC2 Auto Scaling; desired - CORRECT ANSWER-What is the ideal capacity to
run the application
Amazon EC2 Auto Scaling; maximum - CORRECT ANSWER-The most instances you
want to scale up in case of demand.
Elastic Load Balancing - CORRECT ANSWER-is the AWS service that automatically
distributes incoming application traffic across multiple resources, such as Amazon EC2
instances.
Elastic Load Balancing; load balancer - CORRECT ANSWER-acts as a single point of
contact for all incoming web traffic to your Auto Scaling group.
Amazon Simple Notification Service (Amazon SNS) - CORRECT ANSWER-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) - CORRECT ANSWER-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 - CORRECT ANSWER-AWS service for serverless computing
is a service that lets you run code without needing to provision or manage servers.
You pay only for the compute time that you consume
Charges apply only when your code is running.
Amazon Elastic Container Service - CORRECT ANSWER-container management
system enables you to run and scale containerized applications
Amazon Elastic Container Service; Containers - CORRECT ANSWER-standard way to
package your application's code and dependencies into a single object.
Amazon Elastic Container Service; Docker - CORRECT ANSWER-*software platform
that enables you to build, test, and deploy applications quickly.
*can use API calls to launch and stop Docker-enabled applications.
Amazon Elastic Kubernetes Service (EKS) - CORRECT ANSWER-service that you can
use to run Kubernetes
