> For the complete documentation index, see [llms.txt](https://azsec.troubleshooterclub.in/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://azsec.troubleshooterclub.in/network-security.md).
# Network Security
**LAB 1**
Design and Implement a VNET(Virtual Network )
Company : Troubleshooter Club LTD
Process of migrating infrastructure and applications to Azure . As Network engineer , we need to plan & implement 3 VNET and Subnets
Architecture Diagram
**Objectives**
* Task 1 : Create the troubleshooterclub resource group
* Task2: Create the coreServicesVnet virtual network and subnets
* Task3: Create the ManufacturingVnet virtual network and subnets
* Task4: Create the ResearchVnet virtual network and subnets
* Task5: Verify the creation of the virtual networks and subnets
Consideration for Public DNS services
* Name of Zone must be unique within the RG and Zone must not exist already
* Same Zone name can be reused in a different RG or a different Azure Subscription
* Where Multiple zones shares the same name, each instance is assigned different name server addresses
* Root/Parent domain is registered at the registrar and pointed to Azure NS
* Child domains are registered in AzureDNS directly
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