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1. Consider a desktop publishing system used to produce documents for various organizations. Give an example in which system availability is the most impotent requirement. Please be very brief.
2. The necessity of the "no read up" rule for a multilevel security is fairly obvious. What is the importance of the "no write down" rule?
3. List and briefly define the five alternatives for treating identified risks.
Determine the maximum value of L such that TCP sequence numbers are not exhausted? Recall that TCP sequence number field has 4 bytes.
Segmentation of a file and forming FTP datagrams: Read first 'x' number of bytes and use them as part of payload section of an FTP datagram. Encapsulate the FTP datagram into TCP datagram (generation of TCP packets)
Describe the concept of subnetting and concept of subnet masks. Why do we utilize subnetting? How do we know which bits are used to recognize network?
Calculate the minimum length of time it would take to download a 20MByte document from a workstation to a server across each of the following networks. This means you will have to convert bytes to bits.
Create the technology survey of LANs, which means for each LAN determine (or create): Hardware (# of computers, printers, etc.) CPU architecture (Intel, RISC, etc)
Determine the result of scrambling sequence 11100000000000 by using one of the following scrambling techniques? Suppose that last non-zero signal level has been positive.
Describe what happens in getting this request message to the server and how the server gets the response message back to the client.
Using the IP ranges below: 245.0.0.0/8 225.113.9.0/25 169.254.137.0/25 192.168.0.0/16 172.16.0.0/24 10.0.0.0/8 245.125.1378.0/24 215.154.10.0/24 225.113.8.0/24 127.0.0.0/8 10.0.0.0/24 a)
the university has recently leased a building in adelphi maryland.nbsp the building will house some offices classrooms
Could you get enough information from the Internet to take out a loan in another person's name? You should provide any recent cases in Australia to support your explanation.
After choosing unused address from the range given in d for the IP address for a device on the LAN, what would the IP subnet mask and gateway be set to? Explain why these settings would be used.
Consider Table 6-2, Network Diagram Data for a Small Project. All duration estimates or estimates times are in days, and the network proceeds from Node 1 to Node 9.(Please answer the questions for Chapter 6, number 2 under Exercises, pp 246.)
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