COMPUTER NETWORKS (CN) MAY 2011 COMPUTER SCIENCE SEMESTER 5
| 1. (a) | Explain the difference between OSI and TCP/IP Model | (05) |
| (b) | Explain different framing methods. | (05) |
(c) | Explain ALOHA in detail. | (05) |
| (d) | Differentiate TCP and UDP. | (05) |
2. (a) | Describe OSI Reference Model with a neat diagram. | (10) |
| (b) | Explain sliding window protocol using Go Back-N technique. | (10) |
3. (a) | Explain any five functions of Data Link layer with suitable example | (10) |
(b) | Explain the working of network components and state in which layer | (10) |
| they work. Repeaters, Hubs, Bridges, Switches, Routers, Gateways. | ||
4. (a) | Differentiate between Virtual Circuit and Datagram Networks. | (10) |
(b) | Explain Distance Vector Routing and its count to infinity problem. | (10) |
5. (a) | What is IPv 4 protocol? Explain the IPv4 Header format with diagram. | (10) |
(b) | Explain three way Handshake techniques in TCP. | (10) |
6. (a) | For the message frame 11010111011 and G(x)=x4+x+1, Show the | (10) |
| transmitted frame. | ||
| (b) | Explain Classless Inter Domain Routing (CIDR). | (10) |
7. | Write short note on (any two) : - | (20) |
(a) | HDLC. | |
(b) | BLUETOOTH. | |
(c) | QoS of internetworking. | |
(d) | Digital Subscriber Line (DSL) & its types. |
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