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The 3 principal elements of a LAN are the network operating system (NOS), the network interface card (NIC), and the transmission medium. Since the dawn of LANs in the early 1980's, the NOS was dominated by Novell's Netware until the late 1990's. Currently, there are competing NOSs, the dominant of which is probably Microsoft's Windows. Discuss the concept of NOS in LANs, and its evolution in the LAN market from its inception by Novell, and market shift from Novell's dominance (for two decades) to the ongoing Microsoft's dominance.
Choose one of special walks: Euler circuit, Hamiltonian cycles, or shortest path tree. Provide an example of how the walk can be used to identify an issue on a network or to solve a routing problem.
In this assignment you will be implementing three classes -Date (you would reuse the Date class after implementing toString() and equals() method), Employee and EmployeeTest with main method to test Employee class.
Examine each of the principles discussed in Sec. 2.1.4 and tell whether they are so important (assuming that high performance is still desired).
One option used to speed up disk drives is to add a cache that hold either recently accessed blocks, blocks waiting to be written to the disk, or that is used to "prefetch" blocks for a file. If the disk speed is approximately 3ms for a block and the..
Consider the following relational schema for a library:member(memb no, name, dob)books(isbn, title, authors, publisher)borrowed(memb no, isbn, date)Write the following queries in relational algebra.a. Find the names of members who have borrowed any b..
As in the previous problem, consider the arrangement of learning bridges shown in Figure 3.38. Assuming all are initially empty, give the forwarding tables for each of the bridges B1-B4 after the following transmissions:
Explain how subqueries and JOINs are interchangeable. Provide SQL syntax examples. Upload your scenario, SQL query syntax, and a screenshot of the data results into the discussion board for review.
Demonstrate a critical awareness of previous research in an IT context - understanding of research theory and techniques.
If a sundae is allowed to have three scoops of ice cream where each scoop must be a different flavor (order of scoops doesn't matter), and either a syrup or a topping (but not both) are required, how many different types of sundaes can be ordered?
Which system resources are probable to be at root of problem? How can you use system tools, like the Task Manager, to help recognize and troubleshoot these problems?
Develop 5- to 7-slide PowerPoint presentation, providing the overview of how computers are used. Distinguish various kinds of computer software required to make computers work.
When troubleshooting a motherboard, you discover the modem port no longer works. What is the best and least expensive solution to this problem?
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