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QUESTION 1
(a) Draw a use-case model for the above system. You must identify all possible actors and use-cases.
(b)
(c) Explain the difference between a structured methodology for developing software and the object-oriented approach. Use examples to illustrate your answer.
QUESTION 2
(a) Build a class model for the above system. You must identify all possible classes, their relationships, relationship multiplicities, two attributes and two methods for each class.
(b) Explain the difference between a link and an association. Use a simple example to illustrate your answer.
(c) Briefly explain the terms ‘cohesion' and ‘coupling'.
(d) What are the main factors which contribute to software complexity?
QUESTION 3
(a) Draw a Sequence Diagram for the process of assigning a driver to a particular bus going on a special route. Show clearly the objects involved and the flow of messages.
(b) What is a state diagram? Use an example from the case study to illustrate your answer.
You need to enable both arpa and snap encapsulation on single router interface. How do you do this? Ans)Assign two network numbers, one for every encapsulation type.
INDEPENDENT Loops HPF gives additional opportunities for parallel implementation by using the INDEPENDENT directive to assert that the iterations of a do-loop can be done indep
Authoritative DNS Servers Every organization with publicly accessible hosts ( such as web server and mail several on the internet must provide publicly accessible D
Can you describe the concept of NAT
Question: (a) Explain the usage of the following parts of the IPv4 datagram format. i. VERS ii. HLEN iii. TOTAL LENGTH iv. SERVICE TYPE v. HEADER CHECKSUM (b) Na
Write discussion on Associative mapping - computer architecture.
Cross Bar : The crossbar network is simplest interconnection network. It has a double dimensional grid of switches. It's a Non-blocking network and offers connectivity between out
what is protocol?
1. Bob has been given the task of changing the IP address and enabling telnet access on a CISCO 2950 enterprise switch. The current IP address is 10.10.10.2/8 the new IP address
Difference between synchronous tdm and statistical tdm
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