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Azure Networking Essentials

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Questions and Answers

Which part of the IP address is reserved for internal use?

The host network address (correct)

The virtual network

The subnet

The host

In a virtual network, what does subnetting refer to?

Dividing the network into multiple physical buildings

Dividing the network into multiple subnets (correct)

Dividing the network into multiple virtual networks

Dividing the network into multiple availability zones

In a virtual network, can resources be placed in different availability zones?

No, resources can only be placed in the same availability zone

Resources can only be placed in AZ1

Resources can only be placed in AZ2

Yes, resources can be placed in different availability zones (correct)

When sizing a subnet, how many usable IP addresses are there in a /24 subnet?

251 Signup and view all the answers

Which of the following is true about virtual networks in Azure?

Virtual networks can span across multiple regions. Signup and view all the answers

What is the purpose of RFC 1918?

To provide a set of IP addresses for internal networks that will not route over the internet. Signup and view all the answers

Which of the following IP address ranges is typically used for internal networks?

All of the above Signup and view all the answers

Study Notes

IP Addresses

The part of the IP address reserved for internal use is specified in RFC 1918.
RFC 1918 reserves IP addresses for internal use to avoid conflicts with public IP addresses.

Virtual Networks

Subnetting in a virtual network refers to the process of dividing a large network into smaller, more manageable sub-networks.
Resources can be placed in different availability zones in a virtual network.

Subnet Sizing

A /24 subnet has 256 total IP addresses, but only 254 are usable because the first and last IP addresses are reserved.

Azure Virtual Networks

In Azure, virtual networks are isolated from each other, and each virtual network can have its own DNS server.
Virtual networks in Azure can be configured to use custom IP addresses.

Internal Networks

The IP address ranges typically used for internal networks are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.

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Description

Test your knowledge on the benefits and usage of core networking resources in Azure. This quiz will cover virtual networks, VPN gateways, virtual network peering, and ExpressRoute. Assess your understanding of networking boundaries and subscriptions in Azure.