A packet arriving at main router is addressed to 95.80.15.6....

A packet arriving at main router is addressed to 95.80.15.6. The subnet mask used is $255.255 .252 .0 / 22$. What is the resultant address?
(A) $95.80 .255 .0$
(B) $95.80 .24 .0$
(C) $95.80 .12 .0$
(D) $95.80 .6 .6$

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Key Concepts

IPv4 Addressing

IPv4 addressing involves a 32-bit numeric address that identifies devices on a network. These addresses are typically represented in dotted-decimal format, where each of the four octets is separated by a period and ranges from 0 to 255.

Subnet Mask

A subnet mask is used to determine which portion of an IP address represents the network and which part represents the host. By applying a subnet mask to an IP address, the network's boundary is defined, allowing for the segmentation of networks into smaller subnets.

Bitwise AND Operation

Calculating the network address involves performing a bitwise AND operation between the IP address and the subnet mask. This operation preserves the network bits while zeroing out the host bits, effectively revealing the network’s base address.

CIDR Notation

CIDR (Classless Inter-Domain Routing) notation is a method for denoting the network portion of an IP address using a suffix (e.g., /22). This notation specifies the number of bits in the subnet mask that are designated for the network, providing flexibility in classifying network sizes.

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