Describe Azure compute and networking services Flashcards

1
Q

What is virtualization?

A

Emulation of physical machines

Different virtual hardware configuration per machine/app

Different operating systems per machine/app

Total separation of environments

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2
Q

Name 4 key characteristics of Virtual Machines

A

Infrastructure as a Service (IaaS)

Total control over the operating system and the software

Supports marketplace and custom images

Can run any application/scenario

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3
Q

What are Virtual Machines best suited for?

A

Custom software requiring custom system configuration

Lift-and-shift scenarios

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4
Q

Name 3 key characteristics of Virtual Machine Scale Sets

A

Infrastructure as a Service (IaaS)

Set of identical virtual machines

Built-in auto scaling features

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5
Q

What are Virtual Machine Scale Sets designed for?

A

Designed for manual and auto-scaled workloads like web services,* batch processing, etc.

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6
Q

Key characteristics of Azure Batch

A

IaaS

High Performance Computing

Suitable for working in parallel with lots of information

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7
Q

Name 5 key characteristics of Containers

A

Use host’s operating system

Emulate operating system (VMs emulate hardware)

Lightweight (no O/S)

Respond quicker to demand changes

Designed for almost any scenario

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8
Q

Name 3 characteristics of Azure Container Instances

A

Simplest and fastest way to run a container in Azure

Platform as a Service PaaS

Serverless Containers

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9
Q

What are Azure Container Instances designed for?

A

Small and simple web apps/services

Background jobs

Scheduled scripts

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10
Q

Name 3 characteristics of AKS (Azure Kubernetes Service)

A

Open-source container orchestration platform

Platform as a Service PaaS

Highly scalable and customizable

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11
Q

What are AKS designed for?

A

High scale container deployments (anything really!)

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12
Q

Name 3 key characteristics of App Service

A

Designed as enterprise grade web application service

Platform as a Service PaaS

Supports multiple programming languages and containers

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13
Q

Name 3 key characteristics of Azure Functions

A

Platform as a Service PaaS

Serverless

Designed for micro/nano-services

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14
Q

Which are the two pricing models of Azure Functions?

A

Consumption-based plan

Dedicated plan

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15
Q

Summary of Virtual Machines

A

(IaaS) - Custom software, custom requirements, very specialized, high degree of control

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16
Q

Summary of VM Scale Sets

A

(IaaS) - Auto-scaled workloads for VMs

17
Q

Summary of Azure Container Instances

A

(PaaS) - Simple container hosting, easy to start

18
Q

Summary of Azure Kubernetes Service

A

(PaaS) - Highly scalable and customizable * container hosting platform

19
Q

Summary of App Service

A

(PaaS) - Web applications, a lot of enterprise web * hosting features, easy to start

20
Q

Summary of Azure Functions

A

(PaaS) (Function as a Service) (Serverless) - micro/nano-services, excellent consumption-based pricing, easy to start

21
Q

… enables your team members to run Windows in the cloud, with access to the required applications for your company’s needs.

A

Azure Virtual Desktop

22
Q

What is Azure Networking?

A

Connect cloud and on-premises

On-premise networking functionality

23
Q

TRUE / FALSE

An Azure Virtual Network is scoped to a single region.

A

TRUE

24
Q

Isolation, segmentation, communication, filtering and routing…

These are some characteristics of:

A

Azure Virtual Network

25
Q

Name 3 key characteristics of Azure Virtual Network

A

Logically isolated networking components

Segmented into one or more subnets

Enable communication of resources with each-other, internet and on-premises

26
Q

What is a subnet?

A

Subnets are discrete sections of an Azure Virtual Network

27
Q

…allows cross region communication

A

VNet peering

28
Q

Name 3 characteristics of Azure Load Balancer

A

Even non-web traffic distribution

Supports both inbound and outbound scenarios

High-availability scenarios

29
Q

Both TCP (transmission control protocol) and UDP (user datagram protocol) applications

Internal and External traffic

Port Forwarding

High scale with up to millions of flows

…these are characteristics of:

A

Azure Load Balancer

30
Q

What is VPN Gateway?

A

Specific type of virtual network gateway for on-premises to azure traffic over the public internet

31
Q

What’s Application Gatway?

A

Web traffic load balancer

32
Q

Name 3 characteristics of Azure CDN (Content Delivery Network)

A

Define content

Minimize latency

POP (points of presence) with many locations

33
Q

What is Azure ExpressRoute?

A

ExpressRoute lets you extend your on-premises networks into the Microsoft cloud over a private connection with the help of a connectivity provider.

34
Q

Which are the four ExpressRoute connectivity models?

A

CloudExchange colocation

Point-to-point Ethernet connection

Any-to-any connection

Directly from ExpressRoute sites

35
Q

TRUE / FALSE

Subnets can be nested for a more granular infrastructure

A

FALSE