Azure

Question 1

What is Microsoft Azure?

Answer 1

Microsoft Azure is a cloud computing platform offering services like virtual machines, storage, and networking on demand.

Question 2

What is a Virtual Machine (VM) in Azure?

Answer 2

A VM is a virtualized server running an operating system in the Azure cloud.

Question 3

What does a Network Security Group (NSG) do?

Answer 3

An NSG is a grouping of security rules that controls inbound/outbound network traffic to Azure resources based on predefined parameters.

Question 4

At what levels can you apply an NSG in Azure?

Answer 4

NSG’s can be applied to entire subnets or individiual VM NIC’s to manage the flow of traffic (ingressing/egressing).

Question 5

What is Role-Based Access Control (RBAC)?

Answer 5

RBAC is assigning access to specified resources/scopes based on the users role/group. RBAC uses the principle of least privilege for security, which means that whichever group/role that the user has with the MOST RESTRICTIVE rules are the rules that apply/take precedence.

Question 6

What’s a command in PowerShell (PS) to list all the services currently running?

Answer 6

Get-Service

Lists all currently running services.

Question 7

What is the Azure Portal?

Answer 7

Azure Portal = website to manage Azure resources and subscriptions from.

Question 8

What is a subnet?

Answer 8

A subnet is a subdivision of an IP network that groups devices with shared network settings. Networks are subnetted for improved manageability and security.

Question 9

What is the difference between a public and private IP address?

Answer 9

Public IPs are accessible from the internet; private IPs are used inside a private network. Private IP’s can be translated to Public facing IP’s via Network Address Translation (NAT) to provide internet access to all computers in a subnet.

Question 10

What are the basic states of an Azure VM or resource?

Answer 10

Azure Resource states: Running, Stopped, and Deallocated.

Question 11

Why use scripting languages like PowerShell in Azure?

Answer 11

Scrips are used to automate tasks and manage Azure resources efficiently.

Question 12

What is the first step if a VM won’t start?

Answer 12

Check if the VM is running in the Azure Portal or via CLI and verify subscription status.

Get-AzVM -VMName ‘vm124125’ -Status | FL