Www.kashifpaf.greatnow.com 1 Chapter 24 TCP/IP. 2 An Internet According to TCP/IP.
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Transcript of Www.kashifpaf.greatnow.com 1 Chapter 24 TCP/IP. 2 An Internet According to TCP/IP.
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Chapter 24
TCP/IP
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An Internet According to TCP/IP
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TCP/IP and the OSI Model
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Internet Address
The physical addresses (contained on NICs)that identify individual devices.
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19.2 Addressing19.2 Addressing
Internet Address
Classful Addressing
Supernetting
Subnetting
Classless Addressing
Dynamic Address Configuration
Network Address Translation
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An IP address is a 32-bit address.
NoteNote::
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The IP addresses are unique and universal.
NoteNote::
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Internet Classes
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Finding the address class
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Classes
a. 10011101 10001111 11111100 11001111 Class B
b. 11011101 10001111 11111100 11001111 Class C
c. 01111011 10001111 11111100 11001111 Class A
d. 11101011 10001111 11111100 11001111 Class D
e. 11110101 10001111 11111100 11001111 Class E
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IP Addresses in Decimal Notation
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Class Ranges of Internet Addresses
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Find the netid and the hostid for each address:
Address Class NetidHostid
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Find the network address for each address:
Address Class
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Example Example
Find the class of each address:
a. 227.12.14.87
b. 252.5.15.111
c. 134.11.78.56
SolutionSolutiona. The first byte is 227 (between 224 and 239); the class is D.b. The first byte is 252 (between 240 and 255); the class is E.c. The first byte is 134 (between 128 and 191); the class is B.
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Blocks in class A
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Millions of class A addresses are wasted.
NoteNote::
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Blocks in class B
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Many class B addresses are wasted.
NoteNote::
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The number of addresses in class C is smaller than the needs of most
organizations.
NoteNote::
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Blocks in class C