D282 WGU QUIZZ UPDATED QUESTIONS AND ANSWERS
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.
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.
