Interview Questions Answers in Microsoft Azure

Explain Availability set?

Answer

Failures can be occured due to hardware failures, Rack,local disk failures. might be reboot required.

1) Increased the availability of our application and provide the retundancy of vm's .
2)Each VM assigned to availability set, assigned to fault domain and updated domain

Fault Domain: Used to define the grp of vm's to share common source and network switch.
updated Domain: Used to define the grp of vm's and physical hardware that can be rebooted at the same time.

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Question { Microsoft, 1246 }

how would you categorize windows azure? (Iaas/paas/saas)?

Answer

Iaas: Infrastructure as a service. Azure admin will take care this
Paas: Platform as a service. used in Azure dev/test environment
Saas: Software as a service.

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Question { 1138 }

How can you stop a VM using Power Shell?

Answer

Stop-AzureRmVM -ResourceGroupName "ResourceGroup11" -Name "VirtualMachine07"

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Question { 1298 }

What is Cmdlet in Azure?

Answer

Cmdlets are written in a compiled . NET language

2)A cmdlet is a lightweight command that is used in the PowerShell environment. The PowerShell runtime invokes these cmdlets within the context of automation scripts that are provided at the command line.

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Question { 1323 }

How can one create a Virtual Machine in Powershell?

Answer

VM creation using Powershell:

1) create resource:
New-AzResourceGroup -Name myResourceGroup -Location EastUS

2) create to VM:
New-AzVm `
-ResourceGroupName "myResourceGroup" `
-Name "myVM" `
-Location "East US" `
-VirtualNetworkName "myVnet" `
-SubnetName "mySubnet" `
-SecurityGroupName "myNetworkSecurityGroup" `
-PublicIpAddressName "myPublicIpAddress" `
-OpenPorts 80,3389
3) connect to VM:
Get-AzPublicIpAddress -ResourceGroupName "myResourceGroup" | Select "IpAddress"

4)find out the Public IP:
mstsc /v:publicIpAddress

5) Install IIS:
Install-WindowsFeature -name Web-Server -IncludeManagementTools

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Question { 1038 }

What are Storage options available in Azure?

Answer

Storages: Blob,Disk,Table,File level storages

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Question { 1267 }

How to assign static ip address in azure vms?

Answer

Go to particular VM --> select " Networking" left hand side --> click " Configurations" --> under Public IP address u can choose either 'Dynamic' or 'Static'

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Question { 935 }

What are storage keys?

Answer

To view and copy your storage account access keys or connection string from the Azure portal:

Navigate to your storage account in the Azure portal.

Under Settings, select Access keys. Your account access keys appear, as well as the complete connection string for each key.

Locate the Key value under key1, and click the Copy button to copy the account key.

Alternately, you can copy the entire connection string. Find the Connection string value under key1, and click the Copy button to copy the connection string.

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Question { 1505 }

Are data disks provide support within scale sets?

Answer

Azure virtual machine scale sets support VM instances with attached data disks.

scaleset --> Instance ---> Instance count

In VM creation:

Availability --> select 'set'

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Question { 1123 }

Name three types of disks used by vms?

Answer

Ultra Disk Storage, Premium SSD, Standard SSD and Standard HDD—and use multiple disks with each VM.

Ultra Disks: Io Intensive workload. used SAP HANA,Oracle DB. Size 65 GB
Premium SSD: Used in Prod environment. used in performance sensitive workloads.
stored blob files which is corresponding to that VM. size is 32 GB
Standard SSD: Used in DEv & Test environment. Size is 32 GB
Standard HDD: Used in Backup & non critical issues

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Question { 1137 }

What do you understand about hybrid cloud? Explain in detail?

Answer

It is the combination of public & private cloud bound together. we can access Azure cloud applications

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Question { 1250 }

What is blob storage in azure?

Answer

Blob storage: It is object level storage. It contains legacy data.
1) Stored massive amount of unstructure data.
2) within blob service, create container and it is used to store blob objects

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Question { 1258 }

What is the difference between table, queue, and blob storage?

Answer

Blob storage: It is object level storage. It contains legacy data. 1) Stored massive amount of unstructure data. 2) within blob service, create container and it is used to store blob objects
3) Maintain text,binary data
4) store viedos, images,files

Tables: Read and writes the data into tables Ex: Cosmos DB, Oracle, SQL Server

Queues:
used to store and retrive the messages to be processed asynclly.
Size is 64KB

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Question { 1198 }

How can you create a queue in the storage account?

Answer

Storage A/c  Queue storage - under Queue service click ‘Queue’ - give Queue name click ok.

U can add the message “ Add message”  a) type message , Expiry Days, encode the message as Base64. Encoding binary data is recommended.

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Question { 1397 }

What is virtual machine in azure?

Answer

VM:
It is Underlined infrastructure completely managed by azure.
It is act as a software based computer and run an OS and wide range of multi applications.
It will create and deploy the VM images.
Pricing calculated hourly basis
All packets of data stored through Network interface card.

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