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Questions and Answers
What is the 32-bit pattern used to define the network and host portions of an address called?
False
What is the practice of dividing a network into two or more networks known as?
False
What do computers that belong to a subnet have in common in their IP address?
False
What allows service providers to allocate IPv4 addresses on any boundary instead of only being a class A, B, or C address?
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What are the 5 steps involved in subnetting?
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What does the subnet mask actually contain in an IPv4 address?
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Study Notes
Network Addressing and Subnetting Concepts
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The 32-bit pattern that defines the network and host portions of an address is known as the subnet mask. It determines which part of the IP address refers to the network and which part refers to the host.
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The practice of dividing a network into two or more smaller networks is referred to as subnetting. This enhances network performance and security.
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Computers that belong to a subnet typically share a common network prefix in their IP addresses, which identifies them as part of the same subnet.
Address Allocation
- Classless Inter-Domain Routing (CIDR) enables service providers to allocate IPv4 addresses without limiting them to class A, B, or C boundaries. This allows for more efficient use of IP address space.
Subnetting Process
- The five steps involved in subnetting include:
- Determine the network’s address range to identify the total number of available hosts.
- Decide the number of required subnets based on network needs and scalability.
- Calculate the subnet mask to define the size of each subnet.
- Assign subnets to different segments of the network while ensuring that each subnet has a unique identifier.
- Test connectivity within and between subnets to ensure correct configuration and functionality.
Subnet Mask Components
- The subnet mask in an IPv4 address consists of a series of binary digits where '1's denote the network part and '0's denote the host part. This binary representation is crucial for directing traffic within and outside a subnet.
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Description
Test your knowledge of Classless Inter-Domain Routing (CIDR) and subnet masks with this quiz. Explore how CIDR allows service providers to allocate IPv4 addresses based on prefix length and how subnet masks define network and host portions of an address.
