January 2016 M2-R4: INTERNET TECHNOLOGY AND WEB DESIGN

January 2016 M2-R4: INTERNET TECHNOLOGY AND WEB DESIGN (Solved)

PART ONE

(Answer all the questions)

1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

1.1 Protocols are

A) Agreements on how communication components and DTE's are to communicate

B) Logical communication channels for transferring data

C) Physical communication channels sued for transferring data

D) None of the above

View Answer

1.2 Which data communication method is used to transmit the data over a serial communication

link?

A) Simplex

B) Half-duplex

C) Full duplex

D) All of the above

View Answer

UGC Net Computer Science December-12 Paper 3 Page 2

UGC Net Computer Science December-12 Paper 3 Page 2 Solved

11. The time complexities of some standard graph algorithms are given.Match each algorithm with its time complexity ? (n and m are no. of nodes and edges respectively)

a. Bellman Ford algorithm                         1. O (m log n)

b. Kruskals algorithm                                 2. O (n3)       

c. Floyd Warshall algorithm                       3. O(mn)

d. Topological sorting                                4. O(n + m)

Codes :

       a b c d

(A) 3 1 2 4

(B) 2 4 3 1

(C) 3 4 1 2

(D) 2 1 3 4

Answer A

UGC Net Computer Science December-12 Paper 3

UGC Net Computer Science December-12 Paper 3 (Solved)

1. Eco system is a Frame work for

(A) Building a Computer System

(B) Building Internet Market

(C) Building Offline Market

(D) Building Market

Answer B

Explanation : 

A digital ecosystem is a distributed, adaptive, open socio-technical system with properties of self-organisation, scalability and sustainability inspired from natural ecosystems. Digital ecosystem models are informed by knowledge of natural ecosystems, especially for aspects related to competition and collaboration among diverse entities. The term is used in the computer industry, the entertainment industry, and the World Economic Forum.

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