51.What is the distinction between Public Cloud and Private Cloud?
Public cloud is utilized as a service through Internet by the users, while a private cloud, as the name passes on is deployed within specific limits like firewall settings and is totally overseen and checked by the users dealing with it in an organization.
52. What are the username requirements when creating a VM?
Usernames can be a maximum of 20 characters in length and cannot end in a period (“.”).
53.What is Azure Service Level Agreement (SLA)?
The SLA ensures that, when you send two or more role instances for each role, access to your cloud service will be maintained not less than 99.95 percent of the time. Additionally, identification and recorrection activity will be started 99.9 percent of the time when a role instance’s procedure isn’t running.
54. What are the password requirements when creating a VM?
Passwords must be 12 – 123 characters in length and meet 3 out of the following 4 complexity requirements:
- Have lower characters
- Have upper characters
- Have a digit
- Have a special character (Regex match [\W_])
55.What is meant by Microsoft Azure and Azure diagnostic?
Microsoft Azure is a cloud computing interface that is implemented by Microsoft so as to get benefited from the cloud computing.
Azure diagnostics is an API based system that collects the data to diagnose the application which is constantly running. It tunes with the verbose monitoring by enabling roles of the cloud services.
56. How much storage can I use with a virtual machine?
Each data disk can be up to 1 TB. The number of data disks which you can use depends on the size of the virtual machine.
Azure Managed Disks are the new and recommended disk storage offerings for use with Azure Virtual Machines for persistent storage of data. You can use multiple Managed Disks with each Virtual Machine. Managed Disks offer two types of durable storage options: Premium and Standard Managed Disks.
Azure storage accounts can also provide storage for the operating system disk and any data disks. Each disk is a .vhd file stored as a page blob.
57.What is meant by cloud computing?
Cloud Computing is the high-level abstraction procedure that focuses on the business logic. This is a service delivered via the internet that aids you with the computing services without laying much importance on the infrastructural needs just like the electric supply.
58. How can one create a Virtual Machine in Powershell?
# Define a credential object
$cred = Get-Credential
# Create a virtual machine configuration
$vmConfig = New-AzureRmVMConfig -VMName myVM -VMSize Standard_DS2 |
` Set-AzureRmVMOperatingSystem -Windows -ComputerName myVM -Credential $cred |
` Set-AzureRmVMSourceImage -PublisherName MicrosoftWindowsServer -Offer WindowsServer `
-Skus 2016-Datacenter -Version latest | Add-AzureRmVMNetworkInterface -Id $nic.Id
59.What is meant by PaaS, SaaS, and IaaS?
PaaS stands for Platform as a Service that enables you to get a platform to deliver without directly giving authorization to the OS software.
SaaS stands for Software as a Service is devoid of platform infrastructure software that can be used without direct purchase.
IaaS stands for Infrastructure as a Service which enables you to get the hardware from the provider as the desired service which can be configured by the user.
60. How to create a Network Security Group and a Network Security Group Rule?
# Create an inbound network security group rule for port 3389
$nsgRuleRDP = New-AzureRmNetworkSecurityRuleConfig -Name myNetworkSecurityGroupRuleRDP -Protocol Tcp `
-Direction Inbound -Priority 1000 -SourceAddressPrefix * -SourcePortRange * -DestinationAddressPrefix * `
-DestinationPortRange 3389 -Access Allow
# Create an inbound network security group rule for port 80
$nsgRuleWeb = New-AzureRmNetworkSecurityRuleConfig -Name myNetworkSecurityGroupRuleWWW -Protocol Tcp `
-Direction Inbound -Priority 1001 -SourceAddressPrefix * -SourcePortRange * -DestinationAddressPrefix * `
-DestinationPortRange 80 -Access Allow
# Create a network security group
$nsg = New-AzureRmNetworkSecurityGroup -ResourceGroupName myResourceGroup -Location EastUS `
-Name myNetworkSecurityGroup -SecurityRules $nsgRuleRDP,$nsgRuleWeb
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