B.Tech. - VIEP - ELECTRONICS AND COMMUNICATION ENGINEERING (BTECVI)
00635
Term-End Examination December, 2014
BIELE-016 : DATA COMMUNICATION AND NETWORK
Time : 3 hours
Maximum Marks : 70
Note : Attempt any seven questions. All questions carry equal marks. Assume missing data suitably.
1. (a) What is Open System Interconnection (OSI) model ? Explain OSI reference model with a neat sketch.
5
(b) Compare Open System Interconnection (OSI) and TCP/IP reference models on the basis of their inherent properties.
5
2. What is Sliding Window Protocol ? Explain one-bit Sliding Window Protocol with a neat diagram. 10
BIELE-016
1
P.T.O.
3. (a) What is the minimum overhead to send an IP packet using Point to Point Protocol (PPP) ? Count only the overheads introduced by PPP itself, not the IP header overhead. (b) What is the significance of network layer ? Explain and compare 'Virtual Circuits' and `Datagram' subnets. 4. What are the disadvantages in 'Leaky Bucket' algorithm and how can 'Token Bucket' algorithm give a flexible solution to them ? Explain your views in detail. 10 5. (a) A network on the Internet has a subnet mask of 255.255.240.0. What is the maximum number of hosts it can handle ?
5
(b) Explain concatenate virtual circuits of virtual circuit subnets is detail.
5
6. Write short notes on the following : (a)
Internet Multitasking
(b)
Mobile IP
BIELE-016
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2x5=10
7. A large population of ALOHA users manages to generate 50 requests/sec, including both originals and retransmission. Time is slotted in units of 40 m sec. (a)
What is the chance of success on the first attempt ?
(b)
What is the probability of exactly `K' collisions and then a success ?
(c)
What is the expected number of transmission attempts needed ?
10
8. What is the general principle of congestion control ? Explain congestion control in case of virtual-circuit-subnet with a neat sketch in detail. 9.
10
Write short notes on the following : (a)
ATM Architecture
(b)
Stop and Wait flow control technique
2x5=10
10. Why does UDP exist ? Would it be possible to place the Real-Time Transport Protocol (RTP) code in the operating system Kernel, along with `User Datagram' Protocol (UDP) code ? Explain your answer.
place the Real-Time Transport Protocol (RTP). code in the operating system Kernel, along with. `User Datagram' Protocol (UDP) code ? Explain. your answer.
Click on administrator tools and check available tools. If DHCP ... Specify a scope name and scope description. ... Configure domain name and DNS servers.
PRACTICAL: 4. Aim: To install and test HTTP server using Windows Server 2003 operating system. Procedure: 1. In server 2003: Apply IP address: ⢠Control ...
(a) RS -232 C (b) RS - 423. (c) RS - 449 (d) RS - 422. State True/False for (Q. 6 to 10) : 6. Eaves dropping is not possible in coaxial. cables. 7. If central node in ...
(b) State Nagle's algorithm and explain how 1 0. does it reduce the wastage of bandwidth ? (c) What is meant by error detection and 1 0. correction code ?
PRACTICAL: 5. Aim: To install and test Dynamic Host Configuration Protocol (DHCP) server using Windows ... Configure domain name and DNS servers. On the ...
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wayne tomasi pdf. Download now. Click here if your download doesn't start automatically. Page 1 of 1. introduction to data communication and networking by ...
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Data Communication and Computer Networking (Final Book - SLIIT).pdf. Data Communication and Computer Networking (Final Book - SLIIT).pdf. Open. Extract.
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