Summary - IT Concepts

001
1010100
10011000 10001111100
1011100101011100
101100011101001
1011110100011010
00001010010110010
1001010101100111
1111010101000101
1101001101010011
001010010101010
1010101000110010
010101001011000
110101100011010
11010100001011
001010100110
1001010010




IP Addressing
and
Subnetting
Workbook
Version 1.2




11111110
10010101
00011011
10000110
11010011

, IP Address Classes
Class A 1 – 127 (Network 127 is reserved for loopback and internal testing)
Leading bit pattern 0 00000000.00000000.00000000.00000000
Network . Host . Host . Host


Class B 128 – 191 Leading bit pattern 10 10000000.00000000.00000000.00000000
Network . Network . Host . Host

Class C 192 – 223 Leading bit pattern 110 11000000.00000000.00000000.00000000
Network . Network . Network . Host

Class D 224 – 239 (Reserved for multicast)

Class E 240 – 255 (Reserved for experimental, used for research)




Private Address Space
Class A 10.0.0.0 to 10.255.255.255

Class B 172.16.0.0 to 172.31.255.255

Class C 192.168.0.0 to 192.168.255.255



Default Subnet Masks
Class A 255.0.0.0

Class B 255.255.0.0

Class C 255.255.255.0




Produced by: Robb Jones

Frederick County Career & Technology Center
Cisco Networking Academy
Frederick County Public Schools
Frederick, Maryland, USA

Special Thanks to Melvin Baker and Jim Dorsch
for taking the time to check this workbook for errors.
Inside Cover

, Binary To Decimal Conversion
128 64 32 16 8 4 2 1 Answers Scratch Area
1 0 0 1 0 0 1 0 146 128 64
16 32
0 1 1 1 0 1 1 1 119 2 16
146 4
1 1 1 1 1 1 1 1 2
1
1 1 0 0 0 1 0 1 119

1 1 1 1 0 1 1 0

0 0 0 1 0 0 1 1

1 0 0 0 0 0 0 1

0 0 1 1 0 0 0 1

0 1 1 1 1 0 0 0

1 1 1 1 0 0 0 0

0 0 1 1 1 0 1 1

0 0 0 0 0 1 1 1

00011011

10101010

01101111

11111000

00100000

01010101

00111110

00000011

11101101

11000000
1

, Decimal To Binary Conversion
Use all 8 bits for each problem
128 64 32 16 8 4 2 1 = 255 Scratch Area
1 1 1 0 1 1 1 0
_________________________________________ 238 238 34
-128 -32
0 0 1 0 0 0 1 0
_________________________________________ 34 110 2
-64 -2
_________________________________________ 123 46 0
-32
_________________________________________ 50 14
-8
_________________________________________ 255 6
-4
_________________________________________ 200 2
-2
_________________________________________ 10 0

_________________________________________ 138

_________________________________________ 1

_________________________________________ 13

_________________________________________ 250

_________________________________________ 107

_________________________________________ 224

_________________________________________ 114

_________________________________________ 192

_________________________________________ 172

_________________________________________ 100

_________________________________________ 119

_________________________________________ 57

_________________________________________ 98

_________________________________________ 179

_________________________________________ 2
2