LGW2ECh8solutions

# LGW2ECh8solutions - Communication Networks(2nd Edition...

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Communication Networks (2 nd Edition) Chapter 8 Solutions 8.3. Convert the IP addresses in Problem 8.2 to their binary representation. Solution: 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 128 64 32 16 8 4 2 1 200.58.20.165 11001000.00111010.00010100.10100101 128.167.23.20 10000000.10100111.00010111.00010100 16.196.128.50 00010000.11000100.10000000.00110010 150.156.10.10 10010110.10011100.00001010.00001010 250.10.24.96 11111010.00001010.00011000.01100000 8.4. Identify the range of IPv4 addresses spanned by Class A, Class B, and Class C. Solution: The range of IPv4 addresses spanned by each class is: Class A: 1.0.0.0 to 127.255.255.255 Class B: 128.0.0.0 to 191.255.255.255 Class C: 192.0.0.0 to 223.255.255.255 8.5. What are all the possible subnet masks for the Class C address space? List all the subnet masks in dotted- decimal notation, and determine the number of hosts per subnet supported for each subnet mask. Solution: 255.255.255.128 supports 126 hosts (not including the broadcast address) 255.255.255.192 supports 62 hosts 255.255.255.224 supports 30 hosts 255.255.255.240 supports 14 hosts 255.255.255.248 supports 7 hosts 255.255.255.252 supports 3 hosts 255.255.255.254 and 255.255.255.255 are not practically usable. Leon-Garcia/Widjaja 2
Communication Networks (2 nd Edition) Chapter 8 Solutions 8.6. A host in an organization has an IP address 150.32.64.34 and a subnet mask 255.255.240.0. What is the address of this subnet? What is the range of IP addresses that a host can have on this subnet?

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• Spring '09
• BLACK
• IP address, Transmission Control Protocol, communication networks, Ack=147142999 Win=65535 Len=1460

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