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Azure AZ-900 Prep Questions > Questions > Flashcards

Questions Flashcards

1
Q

Explain IaaS Infrastructure as a Service

A

Renting server resources (CPU, Mem, Disk) from a Cloud provider. Eg; Azure Virtual Machines and Container Services, allows access to underlying OS

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2
Q

Expain PaaS Platform as a Service

A

Renting server platforms to run code on. Eg: Azure SQL Databases, App Services, CDN. No access to underlying OS

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3
Q

Explain FaaS Function as a Service

A

PaaS for event-driven serverless computing. Eg: Azure Functions

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4
Q

What is Azure App Services?

A

Fully Managed service for running Web, API, Mobile, Logic, and Function apps

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5
Q

What is a Site-to-Site VPN used for?

A

Connecting on-prem environments to Azure services

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6
Q

What is a P2S Point-to-Site VPN used for?

A

Connecting a single device to Azure services securely

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7
Q

What is a VNet Peering Connection used for?

A

Connecting services in separate virtual networks together

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8
Q

What is Azure Monitor used for?

A

Collecting, Analyzing, and Acting on status events for Azure and on-prem services. Basically Zabbix.

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9
Q

What is Azure Resource Manager Templates?

A

Infrastructure as Code for Azure. Similar to Terraform.

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10
Q

What is Azure Resource Manager?

A

The API Layer used for all interactions with Azure services, used for creating/deleting/modifying/managing Azure services via console, cli, or script

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11
Q

What is Azure Events Hub?

A

PaaS for ingesting and processing streaming data, compatible with Kafka

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12
Q

What is Azure Advisor used for?

A

Checking Azure environment for best practices, advises on optimising cost, performance, reliability, and security

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13
Q

What’s the difference between Availability Sets and Scale Sets?

A

Availability sets define hardware redundancy (across physical networks, AZ’s, etc). Scale Sets are groups of autoscaling VM’s

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14
Q

What platforms is Azure Powershell available on?

A

Windows, Mac, and Linux

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15
Q

What is Azure Blob?

A

Object cloud storage, similar to Amazon S3

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16
Q

What is Azure Disks?

A

Block level storage volumes that can be attached to VM’s

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17
Q

What is Azure Tables?

A

Structured NoSQL datastore

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18
Q

What is Azure Files?

A

NFS stores that can be accessed via SMB

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19
Q

What are VNet Service Endpoints used for?

A

Connecting Azure services in the same region via private/backend networking

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20
Q

What’s the difference between a Site-to-Site VPN and ExpressRoute?

A

Site-to-Site goes over public internet, ExpressRoute uses private connections

21
Q

What is a Network Security Group and what resources can be attached to it?

A

A list of Allow/Deny rules for traffic going in/out of Azure Resources. Can be attached to a Subnet or a Network Interface

22
Q

Does Azure charge for Inbound or Outbound Traffic?

A

Inbound is free. Outbound is charged per GB

23
Q

What tool can be used to identify idle and underutilized resources?

A

Azure Cost Management + Billing

24
Q

What is a Azure Blueprint?

A

A set of Groups, Policies, ARM Templates, and Roles, used to set up an Azure infrastructure, iterate over it, maintain relationships and versioning

25
Q

What is Azure vnTAP (Virtual Network Terminal Access Point)?

A

A Service that allows vm network traffic to be streamed to an analytics tool or packet collector

26
Q

What’s the difference between Azure Files and Managed Disks?

A

Files can be mounted on-prem as an NFS share using SMB. Managed Disks can only be mounted onto Azure VM’s

27
Q

What is Azure Service Fabric?

A

Fully managed service for deploying microservice based apps

28
Q

What is Azure Application Insights used for?

A

Application monitoring for performance and usage data

29
Q

What does Azure AD Connect Health do?

A

Monitors on-prem AD and connection health to Microsoft & o365 services

30
Q

What is an Azure Subscription?

A

A sub account that sits under your root/main account, AD, Management Groups, and above Resource Groups. Can be used, eg: to separate departments and the resources they directly control. Resources and Resource Groups must belong to a specific Subscription.

31
Q

What tool can be used for Regulatory / Security compliance?

A

Microsoft Defender for Cloud

32
Q

What is Azure Traffic Manager?

A

A DNS Based load balancer

33
Q

Do Private and Public Service Previews have Support and SLA’s

A

Public has support, neither have SLA’s

34
Q

What is Azure Logic Apps?

A

A way to to run/schedule/orchestrate tasks between different apps and services.

35
Q

What Service allows you to quickly create custom VM’s and Azure PaaS for dev purposes?

A

Azure DevTest Labs

36
Q

Which regions is Azure Government available in?

A

USA Only

37
Q

What does Azure Site Recovery do?

A

Replicates VM’s to secondary location, helps with Disaster Recovery

38
Q

What data does a Resource Group contain?

A

Meta-data about resources, nothing else

39
Q

How do availability sets work?

A

When you configure the range of VM’s to provision, the Availability Set specifies and automates which Regions and AZ’s those VM’s are provisioned in to ensure High Availability

40
Q

What services does Microsoft Sentinel provide?

A

SIEM (Security Information & Event Management) and SOAR (Security Orchestration Automation Response)

41
Q

What service do you use for Data Analytics and Big Data Warehousing?

A

Azure Synapse

42
Q

What is Azure Event Grid?

A

Pub/Sub service that can ingest and notify other services of specific events (condition/state changes)

43
Q

What’s the lowest support plan that includes tickets and billing/subscription management? What’s the lowest that includes phone support?

A

Basic/free includes ticket support. Phone support requires at least Standard.

44
Q

What service ensures your Azure env adheres to regional compliance requirements?

A

Azure Trust Centre

45
Q

What does Azure Information Protection AIP protect?

A

Emails and Documents

46
Q

What service allows JiT VM Access

A

Microsoft Defender for Cloud

47
Q

Explain Storage Archive Rehydration

A

Moving data from the Archive tier to the Hot or Cold tier so it can be read and modified. This process takes a few hours

48
Q

What are Azure Management Groups?

A

A collection of 1 or more subscriptions. Sits between AD and Subscriptions. Allows easily managing Azure usage permissions for multiple Subscriptions.

49
Q

Which Management Tool is used to access CloudShell and Azure Powershell?

A

Azure Portal

Azure AZ-900 Prep Questions (1 decks)

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