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Questions and Answers
Which part of the IP address is reserved for internal use?
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?
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?
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?
When sizing a subnet, how many usable IP addresses are there in a /24 subnet?
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Which of the following is true about virtual networks in Azure?
Which of the following is true about virtual networks in Azure?
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What is the purpose of RFC 1918?
What is the purpose of RFC 1918?
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Which of the following IP address ranges is typically used for internal networks?
Which of the following IP address ranges is typically used for internal networks?
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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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