WGU D282 Exam 189 Questions with Verified Answers,,100% COREECT

WGU D282 Exam 189 Questions with Verified
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.