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Csc 317 / Csc 322: Network And Distributed Programming Question Paper

Csc 317 / Csc 322: Network And Distributed Programming

Course:Bachelor Of Science In Computer Science

Institution: South Eastern Kenya University question papers

Exam Year:2016

SOUTH EASTERN KENYA UNIVERSITY

UNIVERSITY EXAMINATIONS 2016/2017

SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN BACHELOR OF SCIENCE IN COMPUTER SCIENCE

CSC 317 / CSC 322: NETWORK AND DISTRIBUTED PROGRAMMING

DATE: 19TH APRIL, 2017 TIME: 1.30 -3.30 PM

INSTRUCTIONS TO CANDIDATES

a) Answer ALL questions from section A(Compulsory)

b) Answer ANY TWO questions from section B

SECTION A: ANSWER ALL QUESTIONS {30 MARKS}

QUESTION 1

a) Define the following commands as used in network programming

i. Bind

ii. Nslookup

iii. Port address

iv. RARP

(4 Marks)
b) i) Describe the a Thread and its elements (2 Marks)
ii ) write a simple program for creation of a process (4 Marks)
c) Explain the concept of an object reference in a distributed system. (4 Marks)
d) Write a code in java that will give as output the IP address for local Machine (4 Marks)
e) Differentiate the implementation process for CORBA and RMI (4 Marks)
f) Using a diagram Describe how Remote Method invocation call works (7 Marks)

SECTION B: ANSWER ANY TWO QUESTIONS {20 MARK EACH}.

QUESTION 2

a) Threads are important constructs for facilitating concurrent programming , describe
Three
Approaches deployed thread implementation (6 Marks)
b) Write Java code for Mutual exclusion implementing Semaphore (6 Marks)
c) Using an illustration describe the steps followed in a connection –oriented client server
(8 Marks)
QUESTION 3
a) i) Elaborate on the concept of transparency as used in distributed system (2 Marks)
ii) Describe two from of transparency in distributed systems (4 Marks)
b) Using Java write a code that implement a Server Echo program (7 Marks)

c) Differentiate between Remote procedure call (RPC) and Remote method invocation (RMI)

(4 Marks)

d) Using Diagram Explain the implementation of way handshake procedure in TCP communication

(3 marks)

QUESTION 4

a) Using the an illustration explain the CORBA architecture for implementing a client –
server communication (4 Marks)
b) Write a java code that can be used to display the IP address associated with a given
Website (6 Marks)
c) Using C , Identify Two Primitives associated with Socket and their specific structure
(4 Marks)
d) Discuss two approaches that DNS servers use to resolve IP address (6 Marks)

Csc 317 / Csc 322: Network And Distributed Programming Question Paper

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