questions about networking class

Anonymous
timer Asked: Nov 6th, 2016

Question description

i have 9 questions about networking. i got the first three i need u to complete them and check for the first three. if you got any info from google please paraphrase them

Towson University Department of Computer and Information Sciences Assignment 3: (100 pints) Due date: 11/7 Instructions: This is an individual assignment. Use the blackboard to submit your word file with answers by 11:59 pm on the due date (no hard copies please). Late submissions will receive a zero grade. Start working on this early. 1. In the original classful address scheme, was it possible to determine the class of an address from the address itself? Explain. yes, in the original classful address scheme it was possible to determine the class of an address from the address itself. With original classful address scheme the first four bits of the address determined the cla ss. The remaining bits of the address ate broken down 2. If an ISP assigned you a /28 address block, how many computers could you assign an address? So for one host mask is /32 so the difference between /32 and /28 is 4 2^4 is 16. This means there is 16 hosts you delete 2 for network and broadcast and you get: 14 hosts (computers) in /28 network 3. If an ISP offers a / 28 address block for 160 dollars per month and a / 27 address block for 160 dollars per month, which has the cheapest cost per computer? If an ISP offers a / 17 address block for N dollars per month and a / 16 address block for 1.5 N dollars per month, which has the cheapest cost per computer? Number of addresses in /17 block 232-17 = 215  Price per address: 215/N = 215/N 32-16 16 16 Number of addresses in /16 block 2 = 2  Price per address: 2 /1.5N = 2x215/1.5N = 1.33x215/N So /16 address block will be cheaper in comparison with the price given for /17 block. 4. Suppose you are an ISP with a / 24 address block. Explain whether you accommodate a request from a customer who needs addresses for 255 computers. Towson University Department of Computer and Information Sciences 5. Can a host have more than one IP address? Explain. 6. What are two advantages of requiring the ultimate destination to reassemble fragments? 7. Fragments from multiple datagrams can arrive out-of-order. How does it reassemble fragments that arrive out-of-order? 8. A datagram cannot be reassembled until all fragments arrive. Explain what will happen if one or more fragments from a datagram arrive and other fragments are delayed or lost?

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