Update LAB_04-Implement_Virtual_Networking.md

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@ -269,7 +269,17 @@ In this task, we create an Appication Security Group and a Network Security Grou
| Name | **AllowASG** |
1. After creating your NSG rule, take a minute to review the default **Outgoing security rules**.
## Review the main points of the lab
Congratulations on completing the lab. Here are the main takeaways for this lab.
+ A virtual network is a representation of your own network in the cloud.
+ When designing virtual networks it is a good practice to avoid overlapping IP address ranges. This will reduce issues and simplify troubleshooting.
+ A subnet is a range of IP addresses in the virtual network. You can divide a virtual network into multiple subnets for organization and security.
+ A network security group contains security rules that allow or deny network traffic. There are default incoming and outgoing rules which you can customize to your needs.
+ Application security groups are used to protect groups of servers with a common function, such as web servers or database servers.
## Cleanup your resources
If you are working with your own subscription take a minute to delete the lab resource. This will ensure resourcess are freed up and cost is minimized.
If you are working with your own subscription take a minute to delete the lab resource. This will ensure resources are freed up and cost is minimized.