![]() ![]() Remember that if two addresses are in the same network or subnetwork, they are considered to be local to each other, and can therefore communicate directly with each other. From here, you can determine what OTHER addresses belong to the same subnet. ![]() If you are given an IP address and its subnet, you can quickly find out what subnetwork the address belongs to. The best answer is to save you time when working with IP addressing and subnetting. (Notice that the IP address is the same as in Question 1, but the subnet mask is different. What is the network number of the IP address 192.168.100.115 if it has a subnet mask of 255.255.255.192? Perform the AND operation to each pair of bits1 bit from the address ANDed to the corresponding bit in the subnet mask. The end result of ANDing these two numbers together is to yield the network number of that address. You use ANDing most often when comparing an IP address to its subnet mask. These outcomes, or answers, can be displayed in what is known as a truth table: However, in the Binary Numbering system, the AND function yields only two possible outcomes, based on four different combinations. In Decimal, there are an infinite number of answers when ANDing two numbers together. In the Decimal Numbering system, ANDing is addition: 2 and 3 equals 5. Binary ANDing is the process of performing multiplication to two binary numbers. ![]()
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