AZ-900 Vocabulary Questions and Answers
Scalability
How well a system can scale up, or adapt to the increased demands of growth
Elasticity
The ability of a system to automatically grow when maximum capacity is reached, and automatically shrink to minimize waste
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AZ-900 Vocabulary Questions and
Answers
Scalability - answer How well a system can scale up, or adapt to the increased
demands of growth
Elasticity - answer The ability of a system to automatically grow when maximum
capacity is reached, and automatically shrink to minimize waste
Agility - answer The ability to respond to change "rapidly" based on changes to
market or
environment
CapEx - answer Capital Expenditure: a (usually large) amount of money invested in
an asset (building, computers, equipment) spent up front, and it returns back profits
slowly over time; major cash drain or loan required; cannot be deducted from your taxes
in one year, depreciated over several years
OpEx - answer Operational Expenditure: an amount of money spent "every month"
as an operating expense; hopefully you earn more money in revenue from it than you
spend; can be deducted from your taxes immediately; many accountants prefer OpEx
over CapEx for the tax and cash flow benefits
Azure Datacenter - answer a group of interconnected buildings in the same location
that contain all the servers, power, wiring and internet connectivity to run Azure services
Regions - answer a set of related, interconnected datacenters which are no more
than a few miles apart; you must select a region when creating most Azure services;
there are currently 54 active or planned worldwide; the most of any cloud computing
provider; you will not have access to all 54 because some of them are restricted
Availability Zones - answer Unique physical locations within an Azure region, made
up of one or more datacenters; there is a minimum of three zones in each region; you
can manually place your resources in an availability zone for highest availability
Resource Groups - answer A folder structure in Azure in which you organize
resources like databases, virtual machines, virtual networks, or almost any resource
ARM - answer Azure Resource Manager: this is the common resource deployment
model that underlies all resource creation or modification; no matter whether you use
the portal,
powershell or the SDK, the Azure Resource Manager takes those commands and
executes them
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