BCA Assignements : TMA CS – 68 Computer Networks

BCA Assignements : TMA CS – 68 Computer Networks

Course Code : CS-68
Course Title : Computer Networks
Assignment Number : BCA(5)-68/TMA/05
Maximum Marks : 10
Last date of Submission : 15th April, 2005

This is a Tutor Marked Assignment. There are four questions in this assignment. Answer all the questions. All questions carry equal weightage. You may use illustrations and diagrams to enhance applications.

Q 1. Describe the specification and characteristics and application of the following devices: (2 Marks)
� Routers
� Bridge
� Repeaters
� Switches
Also show diagrammatically where are these devices are placed in a Network setup.

Q 2. (i) Compare and contrast packet and cell switching (1 Mark)

(ii) What type of Switching techniques are used in ATM and what is the significance of ATM? (1 Mark)

(iii) Discuss the ATM cell format (1 Mark)

Q 3. (i) Name all the basic network topologies and describe advantages of each type of network topology (1 Mark)

(ii) With respect to WAN, distinguish between virtual circuit and datagram services (1 Mark)

(iii) What are the different service primitives in the OSI model? (1 Mark)

Q 4. (i) List and describe all the layers of OSI model with the protocol functionalities and standards. (1 Mark)

(ii) What are the issues to be considered in designing different layers in the network models? (1 Mark)

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