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The basic building piece for your Azure private network is the Azure Virtual Network (VNet). VNet enables numerous types of Azure resources, including Azure Virtual Machines (VM), to securely connect to one another, the internet, and on-premises networks. When it comes to scale, availability, and isolation, VNet is identical to a traditional network within your own data center but comes with additional Azure infrastructure features. Table of Contents:
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Why use an Azure Virtual network?Azure virtual networks enable on-premises networks and the internet to be safely connected to Azure resources. A virtual network can be used to filter network traffic, route network traffic, interact with Azure services, and communicate between Azure resources, and with on-premises resources. Advantages of using Azure Virtual NetworkSeveral benefits of using the Azure virtual network are:
Want to read more about Azure? Go through this Azure Tutorial! Get 100% Hike! Master Most in Demand Skills Now ! Azure Vnet CapabilitiesBelow mentioned are the capabilities of Azure Vnet:
There are numerous features available within the Azure virtual network for traffic control:
Master the core concepts of Azure through this Azure Course for becoming a Certified Administrator. Azure Virtual Network ArchitectureA typical virtual network design for an n-tier application architecture is shown in the diagram above. The virtual network has been partitioned into subnets depending on workloads such as the:
In order to assign one Network Security Group (NSG) to each subnet and control traffic flows between the tiers, it is essential to create separate subnets for each group of virtual machines. For instance, the data tier subnet shouldn’t immediately receive an HTTP request from the internet. The Network Security Group of the Data Tier Subnet can be given an access policy that restricts access to inbound requests to the business tier subnet only. Any further attempts to access the data tier using a protocol other than the business tier will be denied In a similar manner, we can set up an access policy on the business tier subnet’s NSG such that the inbound request source IP address is within the bounds of the web tier subnet. Additionally, by assigning them to a separate Subnet within a Virtual Network, we may control the traffic requests to Active Directory. If you have any doubts or queries related to Azure, do post them on Azure Community! Only networking resources managed by Azure Resource Manager per region per subscription are subject to the following limitations.
Got confused between Azure Availability Set and Azure Zone. Go through Azure Availability Set vs Azure Zone Blog to get your answers. PricingAzure provides a free Virtual Network. Each subscription allows for the creation of up to 50 Virtual Networks across all regions. VNET Peering connects two virtual networks, either in the same or different areas, and allows you to route traffic between them using private IP addresses (carry a nominal charge). At both ends of the peer networks, inbound and outgoing traffic is charged. Network equipment that run within a virtual network, such as VPN Gateway and Application Gateway, are also charged. Virtual network peering:Through virtual network peering, you can transport communication between virtual networks using private IP addresses. At both ends of the peer networks, ingress and egress traffic is charged. VNET Peering within the same region
SummaryA virtual network is a group of IP addresses that are joined together. It is a crucial factor to take into account while creating cloud-based apps. It is advised to create distinct subnets for distinct tiers of an application and attach each subnet to a network security group with constrained inbound and outgoing security rules in order to safeguard each layer of the application architecture within a highly secured network. In case you want to get certified and become an Azure Specialist, here is the course you are looking for Microsoft Azure Masters Program! Which of the following is a network virtualization solution provided by Microsoft?Introduced in Windows Server 2012, Hyper-V Network Virtualization (HNV) enables virtualization of customer networks on top of a shared physical network infrastructure.
Which of the following is an exploit in which malware allows the virtual OS to interact directly with the hypervisor?Virtual machine escape is an exploit in which the attacker runs code on a VM that allows an operating system running within it to break out and interact directly with the hypervisor. Such an exploit could give the attacker access to the host operating system and all other virtual machines (VMs) running on that host.
Which of the following is a network device that is deployed in the cloud to protect against unwanted access to a private network?Firewall defined
A firewall is a security device — computer hardware or software — that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer.
What is a virtual LAN that runs on top of a physical LAN called quizlet?VAN. Virtual Area Network. This is a virtual LAN running on top of a physical LAN. This configuration enables guest virtual machines on separate physical hosts to communicate.
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