You have the network ID of 131.107 .0 .0 and you would like...

You have the network ID of 131.107 .0 .0 and you would like to subnet your network into six networks. What will be your new subnet mask?
A. 255.224 .0 .0
B. 255.255 .224 .0
C. 255.192 .0 .0
D. 255.255 .192 .0

Key Concepts

Subnet Mask

A subnet mask is a 32?bit number that segregates the IP address into the network and host portions. It specifies which bits of the IP address correspond to the network address and which bits correspond to the host address. Understanding the subnet mask is essential for network design, as it helps determine the size of a network and how many subnets and hosts can exist within it.

Bit Borrowing and Binary Calculation

Bit borrowing refers to the allocation of bits from the host portion of an IP address to form additional network bits, which create more subnets. This involves calculating the minimum number of bits required to represent the desired number of subnets, and then updating the subnet mask accordingly. Binary arithmetic is used to convert between the bit representation and dotted-decimal notation, which is essential for configuring network devices.

IP Addressing

IP Addressing is the method by which unique identifiers are assigned to devices on a network, allowing for the proper routing and delivery of data. It involves dividing an IP address into a network portion and a host portion, which is crucial for determining which part of the address identifies the entire network and which part identifies a specific device within that network.

Subnetting

Subnetting is the process of dividing a larger network into smaller, more manageable sub-networks or subnets. It improves network performance and security by isolating network segments and reducing broadcast domains. Subnetting requires careful planning to determine the correct subnet mask and the number of bits to borrow from the host portion to provide an adequate number of subnets.

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