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You have just been hired by the accounting firm More & More as their resident software engineer. M. & M. develops and sells small business systems software. Their software development process is:
A. Interview the customer to find out what kinds of reports they need;B. Develop a mock-up of each of these reports, and get customer approval of these mock-ups;C. Acquire the data file formats from the customer for the data that goes into these reports;D. Write pseudo code that will generate these reports from the data files, using a CASE tool;E. Use the CASE tool to produce the object code for the system;F. Demonstrate the working system to the client;G. Collect their money.
Your boss tells you that M. & M. wants to expand their business by marketing their services to larger business organizations than their traditional customer base. Then he asks you if they need to make any modifications to their software development process. Name three big problems with M. & M.'s process. How would you fix those problems?
When troubleshooting a motherboard, you find out the modem port no longer works. What is the best and least expensive solution to this problem?
Explain how the relative speed of the 100BaseT LANs used at each location compares to accessing the WAN link between the two sites.
As web developers, we must find out which scripting language is supported by the web server to understand what kind of rights and privileges we must take into account.
How is networking beneficial to a professional in any career field?
Subnet 1 is needed to support up to 125 Interfaces, and Subnet 2 and 3 are each needed to support up to 60 interfaces. Give three network addresses which satisfy these constraints.
A set up cost of $10 is incurred, and if any of product 2 is produced, a setup cost of $20 is incurred. Formulate an IP to maximize profits.
List some of the basic requirements for the data communications and networking required to support the business information needs? Discuss in scholarly detail. Your answer should be of 300 words.
You are allocated to work on project to create controller for new satellite. To save money, manager evaluates you could reuse about 90% of the software.
What is the bandwidth required (in bps) if synchronous time division multiplexing is used, along with the standard analog-to-digital sampling rate, and each sample is converted into an 8-bit value?
Using Ethernet Network Interface Cards or NICs, diagram simplest connection between two computers which will allow for communications and resource sharing.
Terminal A is sending data to terminal B using a sliding window protocol with the window size equal to 5 and the maximum sequence number equal to 6.
Let DES(x, K) represent the encryption of plaintext x with key K using the DES cryptosystem. Prove that y' = c(y) (i.e., if we complement the plaintext and the key, then the ciphertext is also complemented).
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