Cloud Concepts Flashcards
What is cloud computing?
the ON-DEMAND delivery of compute power, database, storage, applications, and other IT RESOURCES through a cloud services platform through the INTERNET with PAY-AS-YOU-GO pricing
What are the 9 benefits of the AWS Cloud?
Security
Reliability
High Availability
Elasticity
Agility
Pay-as-you-go pricing
Scalability
Global Reach
Economy of Scale
Pay only when you use computing resources, and only for how much you use - is an example of what?
Pay as you go
AWS aggregates usage from hundreds of thousands of customers in the cloud. This translates into lower pay-as-you-go prices. - is an example of
economies of scale
What is another name for on-premises deployment?
Private cloud deployment
How does the scale of cloud computing help you to save costs?
The aggregated cloud usage from a large number of customers results in lower pay-as-you-go prices
What are the SIX perspectives of the Cloud Adoption Framework?
BUSINESS: ensures that IT aligns with business needs, move form a model that separates business and IT strategies into a business model that integrates IT strategy
PEOPLE: supports development of an organization-wide change management strategy, helps Human Resources prepare teams for cloud adoption
GOVERNANCE: focuses on the SKILLS and processes to align IT and business strategy, helps you understand how to update staff skills and organizational processes to ensure business governance in the cloud
PLATFORM: principles and patterns for implementing new solutions on cloud and migrating
SECURITY: ensures organizations meet security objectives for visibility, auditability, control, agility
OPERATIONS: helps you enable, run, use, operate, and recover IT workloads
What are the SIX strategies for application migration?
REHOSTING: lift and shift
REPLATFORMING: lift, tinker, shift
REFACTORING: redesigning application by using cloud-native features
REPURCHASING: moving from traditional license to software-as-service model
RETAINING: keeping critical application in the source environment
RETIRING: removing applications no longer needed
What are the SIX pillars of the Well-Architected Framework?
OPERATIONAL EXCELLENCE: run and monitor systems to delivery business value and to continually improve supporting processes and procedures, run workloads effectively and gain insights into their operations
SECURITY: ability to protect information, systems, and assets while delivering business values through risk assessments and mitigation strategies
RELIABILITY: ability to recover from service disruptions, dynamically acquire resources to meet demand, mitigate disruptions
PERFORMANCE EFFICIENCY: ability to use computing resources efficiently to meet system requirements and maintain efficiency as demand changes and technologies evolve
COST OPTIMIZATION: ability to run systems to deliver business value at lowest price point
SUSTAINABILITY: reducing energy consumption
What are the SIX advantages of cloud computing?
Trade UPFRONT expense for VARIABLE expense
Massive economies of scale
Stop guessing capacity
Increase speed and agility
Stop spending money running and maintaining data centers
Go global in minutes
Which migration strategy involves changing how an application is architected and developed, typically by using cloud-native features?
Refactoring
Which service is used to quickly deploy and scale applications on AWS?
AWS Elastic Beanstalk
Which Trusted Advisor category includes checks for high-utilization EC2 instances?
Performance
Which Perspective of the AWS Cloud Adoption Framework focuses on recovering IT workloads to meet the requirements of your business stakeholders?
Operations: includes principles for operating in the cloud by using agile best practices
