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AZ-900 > Introduction to Azure Fundamentals > Flashcards

Introduction to Azure Fundamentals Flashcards

1
Q

What are the basic services provided by all cloud providers?

A

Compute power and Storage

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2
Q

What is a Hypervisor?

A

An abstraction layer which separates the computer’s hardware and operating system in a process called Virtualization. In general you have a server, which has a Hypervisor, which supports multiple virtual machines. These machines can run any OS.

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3
Q

What provides connectivity to servers?

A

A Network Switch

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4
Q

What is Fabric Controller?

A

A special piece of software run on one server within a Network Switch connection. The Fabric Controller connects to other Fabric Controllers and forms the Orchestrator

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5
Q

What does the Orchestrator do?

A

It is responsible for everything that happens in Azure, including responding to user requests, when users use the Orchestrator’s Web API

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6
Q

How can you call the Web API?

A

With many tools, including the user interface of the Azure Portal

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7
Q

What happens when a user makes a request to create a Virtual Machine?

A

The Orchestrator packages everything that is needed. It picks the best server rack and sends the package and request to the Fabric Controller. Once the Fabric Controller has created the Virtual Machine, the user can connect to it.

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8
Q

What is the Azure Portal?

A

The gateway to manage everything in your Azure subscription

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9
Q

What is the Azure Portal an alternative to?

A

command-line tools

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10
Q

What makes the Azure Portal resilient against datacenter failures?

A

It maintains it’s presence in every Azure Datacenter.

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11
Q

How often does the Azure Portal Update and how long is the downtime?

A

It updates continuously and requires no downtime for maintenance activities

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12
Q

What is the purpose of Azure Marketplace?

A

To connect Azure users with Microsoft partners, independent software vendors, and startups that are offering their solutions and services, which are optimized to run on Azure. All solutions and services offered on the Marketplace are certified to run on Azure

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13
Q

What are the 10 main categories of Azure’s services and features?

A
  1. Compute: Scale to use for web and mobile apps and build Virtual Machines
  2. Networking: Connect Cloud and On-Premise Infrastructure by using features like VPNs and Loadbalancing
  3. Storage: Disk, File, Blob or Archival Storage
  4. Mobile: Build cross-platform and native apps for any mobile device
  5. Databases: Use tools to manage data services like SQL, MySQL and Cosmos DB
  6. Web: Help you build, manage, deploy and scale web applications. Create web apps, publish APIs to services or use Azure-maps to add geo-spacial context to data
  7. Internet of Things (IoT): Use features to connect, monitor and manage IoT assets. Analyze data as it arrives from sensors and take meaningful action with it
  8. Big Data: Run analytics on large volumes of data with open source cluster services
  9. Artificial Intelligence (AI): Make forecasts and use ML to build, train and deploy models to the cloud
  10. DevOps: Brings together people, processes and technology by automating software delivery. With Azure DevOps you can create, build and release pipelines that provide continuous integrations, delivery and deployment for applications.
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14
Q

Which 5 characteristics do Storage services share?

A

Durable and highly available with redundancy and replication.

Secure through automatic encryption and role-based access control.

Scalable with virtually unlimited storage.

Managed, handling maintenance and any critical problems for you.

Accessible from anywhere in the world over HTTP or HTTPS.
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15
Q

Through which chain does your Azure Account connect to the Resources provided by Azure?

A

Account > Subscriptions > Resource groups > Resources

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16
Q

What does the chain from Billing Account to Azure Subscription look like?

A

Billing Account > Billing Profile > Invoice > Azure Subscription

17
Q

What has it’s own monthly invoice and payment method?

A

Billing Profile

18
Q

What does the Azure free account include?

A

Free access to popular Azure products for 12 months.

A credit to spend for the first 30 days.

Access to more than 25 products that are always free.

19
Q

What does the Azure free student account include?

A

Free access to certain Azure services for 12 months.

A credit of $100 to use in the first 12 months.

Free access to certain software developer tools.

You can sign up without a credit card

20
Q

What is the Learn sandbox?

A

A temporary subscription which allows you to create Azure resources for the duration of a Learn Module. Learn automatically cleans up the temporary resources after the completion of the module.

AZ-900 (5 decks)

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