Bbt2215:Advanced Networking Concepts Question Paper
Bbt2215:Advanced Networking Concepts
Course:Bachelor Of Information Technology
Institution: Meru University Of Science And Technology question papers
Exam Year:2011
1
a. Define knowledge based systems and briefly describe its various types. (6 Marks) b. Give a brief description on how an expert system is developed. (6 Marks) c. The following are facts in knowledge base: ? Every woman that can be burnt is a witch ? Everything that is made of wood can be burnt ? Everything that floats is made of wood ? Everything that weighs the same as something that floats does float too ? This girl is a woman ? This girl weighs the same as this duck ? The duck floats Using first order logic show draw a resolution whether the girl is a witch or not. (12 Marks) d. Explain the potential benefits of layered learning approach against learning a direct mapping from sensory data to action. (6 Marks)
QUESTION TWO – 20 MARKS
a. With examples, explain how ontology is used in export systems stating its inherent advantages. (10 Marks) b. With the help of a diagram, explain the expert system giving a brief description to each of its components. (10 Marks)
2
QUESTION THREE – 20 MARKS
You want to use a genetic algorithm to design a schedule for each of the traffic lights downtown, to ensure that traffic flows smoothly both during peak and low traffic periods. Define all the parameters required. Show how your system would evaluate four different chromosomes and demonstrate how mutation and crossover would work on these chromosomes. (Use a four way junction to generate your system) (20 Marks)
QUESTION FOUR – 20 MARKS
a. Define knowledge and give a brief description of how it is acquired. (4 Marks) b. Meru University wants to develop a farming expert system for its farm. This system provides all the necessary advisory services of the agricultural extensions officer. i. Develop a symbol system of 10 rules that touches on the aspects of farming ii. Such system is developed by various stakeholders. Name them and give a brief explanation of its role. (10 Marks) c. State and briefly describe unique features of LISP programming language. (6 Marks)
QUESTION FIVE – 20 MARKS
a. Define the following terms: (2 Marks) i. Inheritance ii. Semantic network b. Describe the depth first search techniques in artificial intelligence stating their advantages and disadvantages. (5 Marks) c. A service centre keeps spare parts and repairs failed ones. A customer brings a failed item and receives a spare of the same type. Failed parts are repaired, placed on the shelf and thus become spares. The objective is to advise a manager of the service centre on certain decision policies to keep the customers satisfied. There are four main linguistic variables: average waiting time (mean delay) m, repair utilization factor of the service centre p, number of servers s, and initial number of spare parts. Develop a fuzzy logic expert system to operate the service centre. Use triangular membership functions. (13 Marks)
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