Cloud Computing — definition?
On-demand delivery of IT resources via the internet.
Infrastructure as software — role?
Manages resources through programmable, software interfaces.
Traditional vs Cloud — difference?
Traditional relies on physical hardware; cloud is flexible, software-managed.
Cloud service models — types?
IaaS, PaaS, SaaS.
Deployment strategies — examples?
Cloud, hybrid, on-premises.
AWS and traditional IT — relation?
AWS offers virtualized, scalable resources replacing physical hardware.
Advantages of cloud — key?
Cost efficiency, scalability, speed, global reach.
Cost benefits — how?
Pay-as-you-go model reduces upfront CapEx.
Scalability benefits — how?
Automatic, elastic resource adjustment based on demand.
Introduction to AWS — what?
Leading cloud platform with global infrastructure and services.
Data centers — location?
Owned by providers, distributed worldwide.
Elastic scaling — mechanism?
Automatically adjusts resources to match demand.
Traditional hardware cycle — length?
Long, involving procurement, installation, and maintenance.
Cloud provisioning time?
Minutes, much faster than weeks or months.
Cloud deployment — benefit?
Rapid, global application deployment.
AWS security groups — function?
Control inbound/outbound traffic for EC2 instances.
Network ACLs — role?
Filter traffic at subnet level in VPCs.
AWS pay-as-you-go — model?
Billing based on actual resource usage.
Cloud vs CapEx/OpEx — difference?
Cloud shifts costs from CapEx to flexible OpEx.
Global AWS Regions — purpose?
Enable low-latency, worldwide deployment of applications.
Answer 10 questions on Introduction to Cloud Computing.
1. How can adopting an 'Infrastructure as Software' approach improve operational agility in a cloud environment?
2. What is a defining characteristic of a cloud deployment model?
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