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Q1. Distinguish between packet switching and circuit switching: Give three advantages and three disadvantages of each one.
Q2. Discuss four advantages of layering as seen in the TCP/IP architecture.
Q3. Large files sent over the network must be broken up into smaller packets. How does the IP layer keep the packets from getting misplaced or collected out of order? Consider the three communication levels: sender, router and receiver.
1) At the sender level:
2) At the router level:
3) At the receiver level:
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List the names of the deceased artists and the number of years of age they were when they died (for example, an artist born in 1950 and deceased in 2001 has an age of 51).
The database Dish.xlsx contains a transaction history describing more than 4,000 purchases of detergent
Design an er schema for keeping track of information about votes taken in the U.S. House of Representatives during the current two year congressional session.
Agencies typically keep the details of the employers they have dealt with, even when they have no current business with them.
Implement that entity as a database table with two subtypes, Games and Movie.
Draw the dependency diagram after identifying all dependencies in this data structure. See Lecture 6, Slide 27 for dependency diagram and convert this data structure to a set of 3NF relations. Clearly showing each step
Draw a decision tree that describes the merchandise inventory management process.
Define each of the following data mining functionalities: characterization, discrimination, association and correlation analysis, classification, prediction and clustering. Give examples of each data mining functionality, using a real-life databas..
Write the SQL code to delete the row for William Smithfield and write the SQL code that will save the changes
A corporate venture has the resources of a large organisation and the entrepreneurial Benefits of a small one
Use a co-related sub-query to return one row per customer, representing the customer's oldest order (the one with the earliest date).
imagine that you are the administrator for a small accounting company which currently employees 200 people. the ceo
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