Basics of Azure

Question 1

What is a resource?

Answer 1

A thing that is hosted and used on azure that provides a specific purpose for the user.

Question 2

What are some examples of resources?

Answer 2

VMs
Storage accounts
Functions
App services
Databases
Virtual networks

Question 3

What is a resource group?

Answer 3

A way to group multiple resources together to manage them and organise them.

Question 4

TRUE OR FALSE: Resources in the same resource group can be stored in separate regions.

Answer 4

TRUE

Question 5

TRUE OR FALSE: A resource can only exist in one resource group at a time.

Answer 5

TRUE

Question 6

What is an azure subscription?

Answer 6

A container used to authorize access to azure resources. It stores resources and resource groups.

Question 7

Where is the cost of all the resources billed?

Answer 7

The subscription

Question 8

What is a Virtual Machine?

Answer 8

A software emulation of a physical computer.

Question 9

What is provided with azure VMs?

Answer 9

Virtual processing
Memory and storage
Networking for the VM

Question 10

What is an app service?

Answer 10

A platform to manage, build and deploy web apps and APIs quickly in azure.

Question 11

What are some examples of web app code structures and languages that app services works with?

Answer 11

.NET
.NET core
Node.js
Java
Python
Php

Question 12

What is a function?

Answer 12

A small piece of cost hosted on azure that can be launched and run. It can be set to run by specific events or times.

Question 13

What is an azure container service?

Answer 13

A lightweight virtual environment. It can respond to changes on demand and does not need an OS.

Question 14

What is the difference between a VM and a Container service?

Answer 14

A container service doesn’t need an OS.

Question 15

What kind of as a service type is azure container instances?

Answer 15

PaaS

Question 16

What is Azure container instances?

Answer 16

A PaaS that runs a container in azure without the need to manage a VM or additional services.

Question 17

What kind of as a service type is a VM?

Answer 17

IaaS

Question 18

What is a Windows Virtual Desktop?

Answer 18

A WVD is a desktop and app virtualization that runs in the cloud. It allows employees to have a workspace while working from home. It creates a full virtual desktop within the need to run additional gateway serves.
It published unlimited host pools.

Question 19

What are the two Azure networking services?

Answer 19

1. Azure Virtual Network (VNet)
2. Virtual Private Network Gateway (VPN)

Question 20

What does Azure Virtual Network do?

Answer 20

It enables azure resources to communicate with each other, the internet and on prem networks that are configured for that network.

Question 21

What is an Azure VPN gateway?

Answer 21

A type of virtual network gateway composed of two or more Azure VMs that are automatically configured and deployed to a specific subnet that you create. It allows them to communicate privately together.

Question 22

What are the 4 types of Azure database?

Answer 22

Azure Cosmos Database
Azure SQL Database
Azure Database for MySql
Azure Database for PostgreSql

Question 23

What is Azure Cosmos Database?

Answer 23

A globally distributed database service that elastically and independently scaled throughput and storage.

Question 24

What is Azure SQL Database?

Answer 24

A relational database as a service (DaaS) based on the latest stable version of Microsoft SQL Server.

Question 25

What is Azure Database for MySql?

Answer 25

A relational database service in the Microsoft cloud based on the MySql community edition.

Question 26

What is Azure database for PostgreSql?

Answer 26

A relational database service based on the open source PostgreSql database engine.

Question 27

What is Azure SQL Managed Instance?

Answer 27

An instance that allows existing SQL customers to lift and soft their on prem application to the cloud with minimal application and database changes.

Question 28

What are the benefits of Azure SQL Managed Instance?

Answer 28

1. Fully managed and evergreen platform as a service 2. Preserves PaaS capabilities (Automatic patching and version updates, automated backups and high availability) 3. You can quickly lift and sift a database without much hassle

Question 29

What is Azure Marketplace?

Answer 29

A place that allows customers to find, try, purchase and provision applications and services from hundred of leading service providers in azure.

Question 30

What are Service Level Agreements (SLAs)?

Answer 30

Agreements that describe Microsoft's commitments for uptime and connectivity for resources. It sets a guaranteed minimum for time the service is available.

Question 31

What happens if a service fails to meet the guarantees set out in its SLA?

Answer 31

A percentage of the monthly service fee can be credited for the user.

Question 32

What actions lower your SLAs?

Answer 32

1. Adding more services (This spreads out the SLA guarantees between multiple services) 2. Choosing free, preview or non-SLA services

Question 33

What factors can raise your SLAs?

Answer 33

1. Specific Availability zones 2. Redundant systems

Question 34

What is the Azure Preview Program?

Answer 34

A place in Azure you can provision, try and test beta and other pre-release/preview features, products, services, software, and regions to provide feedback.

Question 35

TRUE OR FALSE: Previews cannot have SLAs.

Answer 35

TRUE They are not guaranteed to work, so cannot have a guarantee for availability build in.

Question 36

Should you use azure preview features in production environments?

Answer 36

No, since they are not finished and require more testing/feedback, they cannot be guaranteed and are not reliable for a production environment.

Question 37

Which version of Azure SQl database for PostgreSQL can scale horizontally?

Answer 37

Azure database for PostgreSQL Hyperscale (Citus)

Question 38

How does Azure database for PostgreSQL Hyperscale (Citus) scale horizontally?

Answer 38

It splits up large tables of data into smaller parts called shards so that they can be searched through quicker. Makes it so when the database has too much data it can split it up and make it manageable.

Question 39

What is Azure Virtual Machine Scale Sets?

Answer 39

A compute resource that lets you deploy and manage and scale multiple identical VMs.