WGU D282 CLOUD FOUNDATIONS EXAM
REVIEW STUDY NOTES
◉ Amazon EC2 Pricing; EC2 Instance Savings Plans (Contract and
Savings %).
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.
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).
Answer: desired capacity
predictive scaling
dynamic scaling
,minimum capacity
maximum capacity
◉ Amazon EC2 Auto Scaling Definition.
Answer: enables you to automatically add or remove Amazon EC2
instances in response to changing application demand.
◉ Amazon EC2 Auto Scaling; dynamic.
Answer: esponds to changing demand.
◉ Amazon EC2 Auto Scaling; predictive.
Answer: automatically schedules the right number of Amazon EC2
instances based on predicted demand.
◉ Amazon EC2 Auto Scaling; minimum.
Answer: is the number of Amazon EC2 instances that launch
immediately after you have created the Auto Scaling group.
◉ Amazon EC2 Auto Scaling; desired.
Answer: What is the ideal capacity to run the application
◉ Amazon EC2 Auto Scaling; maximum.
,Answer: The most instances you want to scale up in case of demand.
◉ Elastic Load Balancing.
Answer: is the AWS service that automatically distributes incoming
application traffic across multiple resources, such as Amazon EC2
instances.
◉ Elastic Load Balancing; load balancer.
Answer: acts as a single point of contact for all incoming web traffic
to your Auto Scaling group.
◉ Amazon Simple Notification Service (Amazon SNS).
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).
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.
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.
Answer: container management system enables you to run and scale
containerized applications
◉ Amazon Elastic Container Service; Containers.
Answer: standard way to package your application's code and
dependencies into a single object.
◉ Amazon Elastic Container Service; Docker.
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).
Answer: service that you can use to run Kubernetes
◉ Kubernetes.
REVIEW STUDY NOTES
◉ Amazon EC2 Pricing; EC2 Instance Savings Plans (Contract and
Savings %).
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.
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).
Answer: desired capacity
predictive scaling
dynamic scaling
,minimum capacity
maximum capacity
◉ Amazon EC2 Auto Scaling Definition.
Answer: enables you to automatically add or remove Amazon EC2
instances in response to changing application demand.
◉ Amazon EC2 Auto Scaling; dynamic.
Answer: esponds to changing demand.
◉ Amazon EC2 Auto Scaling; predictive.
Answer: automatically schedules the right number of Amazon EC2
instances based on predicted demand.
◉ Amazon EC2 Auto Scaling; minimum.
Answer: is the number of Amazon EC2 instances that launch
immediately after you have created the Auto Scaling group.
◉ Amazon EC2 Auto Scaling; desired.
Answer: What is the ideal capacity to run the application
◉ Amazon EC2 Auto Scaling; maximum.
,Answer: The most instances you want to scale up in case of demand.
◉ Elastic Load Balancing.
Answer: is the AWS service that automatically distributes incoming
application traffic across multiple resources, such as Amazon EC2
instances.
◉ Elastic Load Balancing; load balancer.
Answer: acts as a single point of contact for all incoming web traffic
to your Auto Scaling group.
◉ Amazon Simple Notification Service (Amazon SNS).
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).
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.
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.
Answer: container management system enables you to run and scale
containerized applications
◉ Amazon Elastic Container Service; Containers.
Answer: standard way to package your application's code and
dependencies into a single object.
◉ Amazon Elastic Container Service; Docker.
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).
Answer: service that you can use to run Kubernetes
◉ Kubernetes.
