ICS 392 Ch3q - Chapter3 The Devil is in the Details...

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Click to edit Master subtitle style Chapter3 Randall Arakawa DePaul University ICS 392 The Devil is in the Details
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Domain Names n Uniform Resource Locator (URL) n www.depaul.edu n Descriptive n Easy n Long lasting Go to the Web
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Internet Protocol (IP) n Handles the address n www.yippee.com n Internet address for ”yippee.com" at Internet point 199.0.0.2 n Domain Name System (DNS) n Routers help guide packets n Client request
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IP Address n Static/Dynamic n 32 bits n 4 Bytes n Dotted decimal notation 00000000.00000000.00000000.00000 000 11111111.11111111.11111111.11111 111 255.255.255.25 5 0.0.0.0
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Memory 101 n 2x n (22) 2 x 2 = 4 n (23) 2 x 2 x 2 = 8 n (210) = 1,024 Bit: binary digit 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 (# of possible values) 2 = 256 (# of picks) 8 1 Byte = 8 bits
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IP Address n 232 = 4.3 billion (approx) n Net portion always includes first octet n Host portion always includes last octet n Five main classes (A-E) n A few special numbers 255.255.255.25 5 0.0.0.0 to 190.0.6.168 Net Host 10011000.01001000.10100100.10000 010
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This note was uploaded on 05/19/2011 for the course MGMT 101 taught by Professor Steinberg during the Spring '11 term at Ill. Chicago.

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ICS 392 Ch3q - Chapter3 The Devil is in the Details...

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