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IP Address Classes
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PROBLEM 1Host IP Address172.30.1.33
Network Mask255.255.0.0
Network Address
Network Broadcast Address
Total Number of Host Bits
Number of Hosts
Network AddressStep 1: Translate Host IP Address and Network Mask into binary notationFirst, list down these values of numbers1286432168421
In order to remember these values start with the number 1, go from right to left, and double that number seven times. For example, start with 1 on the right side. For your next number, double the 1 (1 x 2 = 2). So, 2 is your next number (remembering to go from right to left). For your third number, double the 2 (2 x 2 = 4); to continue the sequence, double the 4 (4 x 2 = 8). Repeat this process until youve doubled your original number, seven times. The key to this is that every single one of the values we put in that row are going to have either number 1 or number 0 assigned to it. To convert the IP address we will take that string of numbers and start from left to right this time. Each value in an IP address is an octet. Subtract each octet with the numbers in the list until there is no remainder left from the octet.Take the IP address 172.30.1.33 and start with the 1st octet (172)172 128 = 4444 32 = 1212 8 = 44 4 = 0Assign the number 1 to the values used to subtract the octet and 0 for the ones not used.1286432168421
10101100
So now we know that a decimal number 172 is10101100converted to binary form. To double check, we take the values assigned with 1 and add them together: 128+32+8+4=172
2nd octet (30)30 16 = 1414 8 = 6 6 4 = 22 2 = 0 1286432168421
00011110
Binary notation for the number 30 is 00011110. (16+8+2=32)3rd Octet (1)1 1 = 01286432168421
00000001
Binary notation for the number 1 is 00000001. (1)
4th octet (33)33 32 = 11 1 = 01286432168421
00100001
Binary notation for the number 33 is 00100001. (32+1=33)So the IP address of 172.30.1.33 has its binary form equivalent of:10101100.00011110.00000001.00100001
Network MaskRepeat the same procedure used for the IP address to convert the Network Mask into binary notation.1st Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)2nd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)3rd Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).4th Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).
So the Network Mask 255.255.0.0 has its binary form equivalent of:11111111.11111111.00000000.00000000 Network AddressPerform a bit-wise AND (Logical AND Gate) operation on the IP address and subnet mask (1 AND 1 results in 1; 1 AND 0 results in a 0).IP Address10101100000111100000000100100001Subnet Mask11111111111111110000000000000000Network Address10101100000111100000000000000000Use the method in converting the IP Address and Network Mask to convert the Network Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
10101100
00011110
00000000
00000000
For the 1st Octet128 + 32 + 8 + 4 = 1722nd Octet16 + 8 + 4 +2 = 303rd Octet04th Octet0Therefore, the Network Address is 172.30.0.0. Broadcast AddressTo find the broadcast address, use the network address and the wildcard (inverse of Network Mask; 1 becomes 0 and 0 becomes 1) and perform a bit-wise OR (Logical OR Gate) operation (1 OR 1 results in 1; 0 OR 1 results in 1; 0 OR 0 results in a 0).Network Mask (Original)11111111111111110000000000000000Wildcard00000000000000001111111111111111Bit-wise OR operationNetwork Address10101100000111100000000000000000Wildcard00000000000000001111111111111111Broadcast Address10101100000111101111111111111111Use the method in converting the IP Address and Network Mask to convert the Broadcast Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
10101100
00011110
11111111
11111111
For the 1st Octet128 + 32 + 8 + 4 = 1722nd Octet16 + 8 + 4 +2 = 303rd Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 2554th Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 255Therefore, the Broadcast Address is 172.30.255.255.
Total Number of Host Bits and Usable Hosts.By counting the number of host bits (The number of1s in the binary notation), we can determine the total number of usable hosts for this network. (Use the wildcard in binary notation)12345678910111213141516
1111111111111111
Host Bits: 16Using the formula 2n 2 (n = Number of Bits) we can deduce the total number of usable hosts.216 2 = 65,536 2= 65,534 (Maximum number of Hosts).Now that we have all the data, fill in the table given.Host IP Address172.30.1.33
Network Mask255.255.0.0
Network Address172.30.0.0
Network Broadcast Address172.30.255.255.
Total Number of Host Bits16
Number of Hosts65,534
PROBLEM 2Host IP Address172.30.1.33
Network Mask255.255.255.0
Network Address
Network Broadcast Address
Total Number of Host Bits
Number of Hosts
Network AddressStep 1: Translate Host IP Address and Network Mask into binary notationFirst, list down these values of numbers1286432168421
In order to remember these values start with the number 1, go from right to left, and double that number seven times. For example, start with 1 on the right side. For your next number, double the 1 (1 x 2 = 2). So, 2 is your next number (remembering to go from right to left). For your third number, double the 2 (2 x 2 = 4); to continue the sequence, double the 4 (4 x 2 = 8). Repeat this process until youve doubled your original number, seven times. The key to this is that every single one of the values we put in that row are going to have either number 1 or number 0 assigned to it. To convert the IP address we will take that string of numbers and start from left to right this time. Each value in an IP address is an octet. Subtract each octet with the numbers in the list until there is no remainder left from the octet.Take the IP address 172.30.1.33 and start with the 1st octet (172)172 128 = 4444 32 = 1212 8 = 44 4 = 0Assign the number 1 to the values used to subtract the octet and 0 for the ones not used.1286432168421
10101100
So now we know that a decimal number 172 is10101100converted to binary form. To double check, we take the values assigned with 1 and add them together: 128+32+8+4=172
2nd octet (30)30 16 = 1414 8 = 6 6 4 = 22 2 = 0 1286432168421
00011110
Binary notation for the number 30 is 00011110. (16+8+2=32)3rd Octet (1)1 1 = 01286432168421
00000001
Binary notation for the number 1 is 00000001. (1)
4th octet (33)33 32 = 11 1 = 01286432168421
00100001
Binary notation for the number 33 is 00100001. (32+1=33)So the IP address of 172.30.1.33 has its binary form equivalent of:10101100.00011110.00000001.00100001
Network MaskRepeat the same procedure used for the IP address to convert the Network Mask into binary notation.1st Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)2nd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)3rd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 111111114th Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).
So the Network Mask 255.255.255.0 has its binary form equivalent of:11111111.11111111.11111111.00000000
Network AddressPerform a bit-wise AND (Logical AND Gate) operation on the IP address and subnet mask (1 AND 1 results in 1; 1 AND 0 results in a 0).IP Address10101100000111100000000100100001Subnet Mask11111111111111111111111100000000Network Address10101100000111100000000100000000Use the method in converting the IP Address and Network Mask to convert the Network Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
10101100
00011110
00000001
00000000
For the 1st Octet128 + 32 + 8 + 4 = 1722nd Octet16 + 8 + 4 +2 = 303rd Octet14th Octet0Therefore, the Network Address is 172.30.1.0. Broadcast AddressTo find the broadcast address, use the network address and the wildcard (inverse of Network address; 1 becomes 0 and 0 becomes 1) and perform a bit-wise OR (Logical OR Gate) operation (1 OR 1 results in 1; 0 OR 1 results in 1; 0 OR 0 results in a 0).
Network Mask (Original)11111111111111111111111100000000Wildcard00000000000000001111111111111111Bit-wise OR operationNetwork Address10101100000111100000000100000000Wildcard00000000000000000000000011111111Broadcast Address10101100000111100000000111111111Use the method in converting the IP Address and Network Mask to convert the Broadcast Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
10101100
00011110
00000001
11111111
For the 1st Octet128 + 32 + 8 + 4 = 1722nd Octet16 + 8 + 4 +2 = 303rd Octet14th Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 255Therefore, the Broadcast Address is 172.30.1.255.
Total Number of Host Bits and Usable Hosts.By counting the number of host bits (The number of1s in the binary notation), we can determine the total number of usable hosts for this network. (Use the Wildcard in binary notation)12345678
11111111
Host Bits: 8Using the formula 2n 2 (n = Number of Bits) we can deduce the total number of usable hosts.28 2 = 256 2= 254 (Maximum number of Hosts).Now that we have all the data, fill in the table given.Host IP Address172.30.1.33
Network Mask255.255.255.0
Network Address172.30.1.0
Network Broadcast Address172.30.1.255.
Total Number of Host Bits8
Number of Hosts254
PROBLEM 3Host IP Address192.168.10.234
Network Mask255.255.255.0
Network Address
Network Broadcast Address
Total Number of Host Bits
Number of Hosts
Network AddressStep 1: Translate Host IP Address and Network Mask into binary notationFirst, list down these values of numbers1286432168421
In order to remember these values start with the number 1, go from right to left, and double that number seven times. For example, start with 1 on the right side. For your next number, double the 1 (1 x 2 = 2). So, 2 is your next number (remembering to go from right to left). For your third number, double the 2 (2 x 2 = 4); to continue the sequence, double the 4 (4 x 2 = 8). Repeat this process until youve doubled your original number, seven times. The key to this is that every single one of the values we put in that row are going to have either number 1 or number 0 assigned to it. To convert the IP address we will take that string of numbers and start from left to right this time. Each value in an IP address is an octet. Subtract each octet with the numbers in the list until there is no remainder left from the octet.Take the IP address 172.30.1.33 and start with the 1st octet (172)192 128 = 6464 64 = 0Assign the number 1 to the values used to subtract the octet and 0 for the ones not used.1286432168421
11000000
So now we know that a decimal number 172 is11000000converted to binary form. To double check, we take the values assigned with 1 and add them together: 128+64=192
2nd octet (168)168 128 = 4040 32 = 8 8 8 = 0 1286432168421
10101000
Binary notation for the number 30 is 10101000. (16+8+2=32)3rd Octet (10)10 8 = 22 2 = 01286432168421
00001010
Binary notation for the number 1 is 00001010. (8 + 2 = 10)
4th octet (234)234 128 = 106106 64 = 4242 32 = 1010 8 = 22 2 = 01286432168421
11101010
Binary notation for the number 33 is 11101010. (128+64+32+8+2=234)So the IP address of 172.30.1.33 has its binary form equivalent of:11000000.10101000.00001010.11101010 Network MaskRepeat the same procedure used for the IP address to convert the Network Mask into binary notation.1st Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)2nd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)3rd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 111111114th Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).
So the Network Mask 255.255.255.0 has its binary form equivalent of:11111111.11111111.11111111.00000000
Network AddressPerform a bit-wise AND (Logical AND Gate) operation on the IP address and subnet mask (1 AND 1 results in 1; 1 AND 0 results in a 0).IP Address11000000101010000000101011101010Subnet Mask11111111111111111111111100000000Network Address11000000101010000000101000000000Use the method in converting the IP Address and Network Mask to convert the Network Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
11000000
10101000
00001010
00000000
For the 1st Octet128 + 64 = 1922nd Octet128 + 32 + 8 = 1683rd Octet8 + 2 = 104th Octet0Therefore, the Network Address is 192.168.10.0. Broadcast AddressTo find the broadcast address, use the network address and the wildcard (inverse of Network Mask; 1 becomes 0 and 0 becomes 1) and perform a bit-wise OR (Logical OR Gate) operation (1 OR 1 results in 1; 0 OR 1 results in 1; 0 OR 0 results in a 0).Network Mask (Original)11111111111111111111111100000000Wildcard00000000000000000000000011111111Bit-wise OR operationNetwork Address11000000101010000000101000000000Wildcard00000000000000000000000011111111Broadcast Address11000000101010000000101011111111Use the method in converting the IP Address and Network Mask to convert the Broadcast Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
11000000
10101000
00001010
11111111
For the 1st Octet128 + 64 = 1922nd Octet128 + 32 + 8 = 1683rd Octet8 + 2 = 104th Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 255Therefore, the Broadcast Address is 192.168.10.255.
Total Number of Host Bits and Usable Hosts.By counting the number of host bits (The number of1s in the binary notation), we can determine the total number of usable hosts for this network. (Use the Wildcard in binary notation)12345678
11111111
Host Bits: 8Using the formula 2n 2 (n = Number of Bits) we can deduce the total number of usable hosts.28 2 = 256 2= 254 (Maximum number of Hosts).Now that we have all the data, fill in the table given.Host IP Address192.168.10.234
Network Mask255.255.255.0
Network Address192.168.10.0
Network Broadcast Address192.168.10.255
Total Number of Host Bits8
Number of Hosts254
PROBLEM 4Host IP Address172.17.99.71
Network Mask255.255.0.0
Network Address
Network Broadcast Address
Total Number of Host Bits
Number of Hosts
Network AddressStep 1: Translate Host IP Address and Network Mask into binary notationFirst, list down these values of numbers1286432168421
In order to remember these values start with the number 1, go from right to left, and double that number seven times. For example, start with 1 on the right side. For your next number, double the 1 (1 x 2 = 2). So, 2 is your next number (remembering to go from right to left). For your third number, double the 2 (2 x 2 = 4); to continue the sequence, double the 4 (4 x 2 = 8). Repeat this process until youve doubled your original number, seven times. The key to this is that every single one of the values we put in that row are going to have either number 1 or number 0 assigned to it. To convert the IP address we will take that string of numbers and start from left to right this time. Each value in an IP address is an octet. Subtract each octet with the numbers in the list until there is no remainder left from the octet.Take the IP address 172.30.1.33 and start with the 1st octet (172)172 128 = 4444 32 = 1212 8 = 44 4 = 12Assign the number 1 to the values used to subtract the octet and 0 for the ones not used.1286432168421
10101100
So now we know that a decimal number 172 is10101100converted to binary form. To double check, we take the values assigned with 1 and add them together: 128+32+8+4=172
2nd octet (17)17 16 = 11 1 = 0 1286432168421
00010001
Binary notation for the number 30 is 00010001. (16+1=17)3rd Octet (99)99 64 = 3535 32 = 33 2 = 11 1 = 01286432168421
01100011
Binary notation for the number 1 is 01100011. (64+32+2+1 = 99)
4th octet (71)71 64 = 77 4 = 33 2 = 11 1 = 01286432168421
01000111
Binary notation for the number 33 is 01000111. (64+4+2+1=234)So the IP address of 172.30.1.33 has its binary form equivalent of:10101100.00010001.01100011.01000111 Network MaskRepeat the same procedure used for the IP address to convert the Network Mask into binary notation.1st Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)2nd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)3rd Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).
Binary notation for the number 255 is 111111114th Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).
So the Network Mask 255.255.0.0 has its binary form equivalent of:11111111.11111111.00000000.00000000 Network AddressPerform a bit-wise AND (Logical AND Gate) operation on the IP address and subnet mask (1 AND 1 results in 1; 1 AND 0 results in a 0).IP Address10101100000100010110001101000011Subnet Mask11111111111111110000000000000000Network Address10101100000100010000000000000000Use the method in converting the IP Address and Network Mask to convert the Network Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
10101100
00010001
00000000
00000000
For the 1st Octet128 + 32 + 8 +4 = 1722nd Octet16 + 1 = 173rd Octet04th Octet0Therefore, the Network Address is 172.17.0.0. Broadcast AddressTo find the broadcast address, use the network address and the wildcard (inverse of Network Mask; 1 becomes 0 and 0 becomes 1) and perform a bit-wise OR (Logical OR Gate) operation (1 OR 1 results in 1; 0 OR 1 results in 1; 0 OR 0 results in a 0).Network Mask (Original)11111111111111110000000000000000Wildcard00000000000000001111111111111111Bit-wise OR operationNetwork Address10101100000100010000000000000000Wildcard00000000000000001111111111111111Broadcast Address10101100000100011111111111111111Use the method in converting the IP Address and Network Mask to convert the Broadcast Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
10101100
00010001
11111111
11111111
For the 1st Octet128 + 32 + 8 +4 = 1722nd Octet16 + 1 = 173rd Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 2554th Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 255Therefore, the Broadcast Address is 172.17.255.255.
Total Number of Host Bits and Usable Hosts.By counting the number of host bits (The number of1s in the binary notation), we can determine the total number of usable hosts for this network. (Use the Wildcard in binary notation)12345678910111213141516
1111111111111111
Host Bits: 16Using the formula 2n 2 (n = Number of Bits) we can deduce the total number of usable hosts.216 2 = 65,536 2= 65,534 (Maximum number of Hosts).Now that we have all the data, fill in the table given.Host IP Address172.17.99.71
Network Mask255.255.0.0
Network Address192.17.0.0
Network Broadcast Address192.168.255.255
Total Number of Host Bits16
Number of Hosts65,534
PROBLEM 5Host IP Address192.168.3.219
Network Mask255.255.0.0
Network Address
Network Broadcast Address
Total Number of Host Bits
Number of Hosts
Network AddressStep 1: Translate Host IP Address and Network Mask into binary notationFirst, list down these values of numbers1286432168421
In order to remember these values start with the number 1, go from right to left, and double that number seven times. For example, start with 1 on the right side. For your next number, double the 1 (1 x 2 = 2). So, 2 is your next number (remembering to go from right to left). For your third number, double the 2 (2 x 2 = 4); to continue the sequence, double the 4 (4 x 2 = 8). Repeat this process until youve doubled your original number, seven times. The key to this is that every single one of the values we put in that row are going to have either number 1 or number 0 assigned to it. To convert the IP address we will take that string of numbers and start from left to right this time. Each value in an IP address is an octet. Subtract each octet with the numbers in the list until there is no remainder left from the octet.Take the IP address 172.30.1.33 and start with the 1st octet (172)192 128 = 6464 64 = 0Assign the number 1 to the values used to subtract the octet and 0 for the ones not used.1286432168421
11000000
So now we know that a decimal number 172 is11000000converted to binary form. To double check, we take the values assigned with 1 and add them together: 128+64=192
2nd octet (168)168 128 = 4040 32 = 8 8 8 = 0 1286432168421
10101000
Binary notation for the number 30 is 10101000. (128+32+8=168)3rd Octet (3)3 2 = 11 1 = 01286432168421
00000011
Binary notation for the number 1 is 00000011. (2+1 = 3)4th octet (219)219 128 = 9191 64 = 2727 16 = 1111 8 = 33 2 = 11 1 = 01286432168421
11011011
Binary notation for the number 33 is 11011011. (128+64+16+8+2+1=219)So the IP address of 172.30.1.33 has its binary form equivalent of:11000000.10101000.00000011.11011011 Network MaskRepeat the same procedure used for the IP address to convert the Network Mask into binary notation.1st Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)2nd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)3rd Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).4th Octet (0)1286432168421
00000000
Binary notation for the number 0 is 00000000 (Since there is no number to subtract from 0 so, automatically the answer is 00000000).
So the Network Mask 255.255.0.0 has its binary form equivalent of:11111111.11111111.00000000.00000000 Network AddressPerform a bit-wise AND (Logical AND Gate) operation on the IP address and subnet mask (1 AND 1 results in 1; 1 AND 0 results in a 0).IP Address11000000101010000000001111011011Subnet Mask11111111111111110000000000000000Network Address11000000101010000000000000000000Use the method in converting the IP Address and Network Mask to convert the Network Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
11000000
10101000
00000000
00000000
For the 1st Octet128 + 64 = 1922nd Octet128 + 32 + 8 = 1683rd Octet04th Octet0Therefore, the Network Address is 192.168.0.0. Broadcast AddressTo find the broadcast address, use the network address and the wildcard (inverse of Network Mask; 1 becomes 0 and 0 becomes 1) and perform a bit-wise OR (Logical OR Gate) operation (1 OR 1 results in 1; 0 OR 1 results in 1; 0 OR 0 results in a 0).Network Mask (Original)11111111111111110000000000000000Wildcard00000000000000001111111111111111Bit-wise OR operationNetwork Address11000000101010000000000000000000Wildcard00000000000000001111111111111111Broadcast Address11000000101010001111111111111111Use the method in converting the IP Address and Network Mask to convert the Broadcast Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
11000000
10101000
11111111
11111111
For the 1st Octet128 + 64 = 1922nd Octet128 + 32 + 8 = 1683rd Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 2554th Octet128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 255Therefore, the Broadcast Address is 192.168.255.255.
Total Number of Host Bits and Usable Hosts.By counting the number of host bits (The number of1s in the binary notation), we can determine the total number of usable hosts for this network. (Use the Wildcard in binary notation)12345678910111213141516
1111111111111111
Host Bits: 16Using the formula 2n 2 (n = Number of Bits) we can deduce the total number of usable hosts.216 2 = 65,536 2= 65,534 (Maximum number of Hosts).Now that we have all the data, fill in the table given.Host IP Address192.168.3.219
Network Mask255.255.0.0
Network Address192.168.0.0
Network Broadcast Address192.168.255.255
Total Number of Host Bits16
Number of Hosts65,534
PROBLEM 6Host IP Address192.168.3.219
Network Mask255.255.255.224
Network Address
Network Broadcast Address
Total Number of Host Bits
Number of Hosts
Network AddressStep 1: Translate Host IP Address and Network Mask into binary notationFirst, list down these values of numbers1286432168421
In order to remember these values start with the number 1, go from right to left, and double that number seven times. For example, start with 1 on the right side. For your next number, double the 1 (1 x 2 = 2). So, 2 is your next number (remembering to go from right to left). For your third number, double the 2 (2 x 2 = 4); to continue the sequence, double the 4 (4 x 2 = 8). Repeat this process until youve doubled your original number, seven times. The key to this is that every single one of the values we put in that row are going to have either number 1 or number 0 assigned to it. To convert the IP address we will take that string of numbers and start from left to right this time. Each value in an IP address is an octet. Subtract each octet with the numbers in the list until there is no remainder left from the octet.Take the IP address 172.30.1.33 and start with the 1st octet (172)192 128 = 6464 64 = 0Assign the number 1 to the values used to subtract the octet and 0 for the ones not used.1286432168421
11000000
So now we know that a decimal number 172 is11000000converted to binary form. To double check, we take the values assigned with 1 and add them together: 128+64=192
2nd octet (168)168 128 = 4040 32 = 8 8 8 = 0 1286432168421
10101000
Binary notation for the number 30 is 10101000. (128+32+8=168)3rd Octet (3)3 2 = 11 1 = 01286432168421
00000011
Binary notation for the number 1 is 00000011. (2+1 = 3)4th octet (219)219 128 = 9191 64 = 2727 16 = 1111 8 = 33 2 = 11 1 = 01286432168421
11011011
Binary notation for the number 33 is 11011011. (128+64+16+8+2+1=219)So the IP address of 172.30.1.33 has its binary form equivalent of:11000000.10101000.00000011.11011011 Network MaskRepeat the same procedure used for the IP address to convert the Network Mask into binary notation.1st Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)2nd Octet (255)255 128 = 127127 64 = 6363 32 = 3131 16 = 1515 8 = 77 4 = 33 2 = 11 1 = 01286432168421
11111111
Binary notation for the number 255 is 11111111. (128+64+32+16+8+4+2+1=255)3rd Octet (0)1286432168421
00000000
Binary notation for the number 255 is 111111114th Octet (224)224 128 = 9696 64 = 3232 32 = 01286432168421
11100000
Binary notation for the number 224 is 11100000So the Network Mask 255.255.0.0 has its binary form equivalent of:11111111.11111111.11111111.11100000 Network AddressPerform a bit-wise AND (Logical AND Gate) operation on the IP address and subnet mask (1 AND 1 results in 1; 1 AND 0 results in a 0).IP Address11000000101010000000001111011011Subnet Mask11111111111111111111111111100000Network Address11000000101010000000001111000000Use the method in converting the IP Address and Network Mask to convert the Network Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
11000000
10101000
00000011
11000000
For the 1st Octet128 + 64 = 1922nd Octet128 + 32 + 8 = 1683rd Octet2 + 1 = 34th Octet128 + 64 = 192Therefore, the Network Address is 192.168.3.192. Broadcast AddressTo find the broadcast address, use the network address and the wildcard (inverse of Network Mask; 1 becomes 0 and 0 becomes 1) and perform a bit-wise OR (Logical OR Gate) operation (1 OR 1 results in 1; 0 OR 1 results in 1; 0 OR 0 results in a 0).Network Mask (Original)11111111111111111111111111100000Wildcard00000000000000000000000000011111Bit-wise OR operationNetwork Address11000000101010000000001111000000Wildcard00000000000000000000000000011111Broadcast Address11000000101010000000001111011111Use the method in converting the IP Address and Network Mask to convert the Broadcast Address into decimals (Reversed; adding the numbers instead of subtracting).1286432168421
11000000
10101000
00000011
11011111
For the 1st Octet128 + 64 = 1922nd Octet128 + 32 + 8 = 1683rd Octet2 + 1 = 34th Octet128 + 64 + 16 + 8 + 4 + 2 + 1 = 223Therefore, the Broadcast Address is 192.168.3.223.
Total Number of Host Bits and Usable Hosts.By counting the number of host bits (The number of1s in the binary notation), we can determine the total number of usable hosts for this network. (Use the Wildcard in binary notation)12345
11111
Host Bits: 5Using the formula 2n 2 (n = Number of Bits) we can deduce the total number of usable hosts.25 2 = 32 2= 30 (Maximum number of Hosts).Now that we have all the data, fill in the table given.Host IP Address192.168.3.219
Network Mask255.255.225.224
Network Address192.168.3.192
Network Broadcast Address192.168.3.223
Total Number of Host Bits5
Number of Hosts30