NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
APRIL 2019 EXAMINATION

COURSE CODE: CIT461

COURSE TITLE: Internet Architecture and Communications

CREDIT: 3 Units

TIME ALLOWED: 2½ Hours

INSTRUCTION: Answer Question 1 and any other FOUR (4) Questions

 

1a) Define Internet?   (1 mark)

b) How is the internet related/ linked with ARPAnet? (3 marks)

c) Describe the Internet protocol layer and list its functions. (6 marks)

d)  Enumerate the various elements of interface used by a web browser ( 5 marks)

e) List, with an example, five types of software packages that are needed for web designs. (5 marks)

f) What is navigation button (2 marks)

2a Discuss in details the components of an E-mail.   (9 marks)

b) ) Briefly describe the client-server architecture using http setup. (3 marks)

3a) What is ISDN? (3 marks)

b) What are the characteristics of:

i) ISDN Basic Rate Interface (BRI)?  (3 marks)

ii) ISDN Primary Rate Interface (PRI)? (2 marks)

c) Enumerate the features of web browsers. (4 marks)

 

4a) In order to implement an effective Internet connection strategy, there are a few factors that need to be considered and a few Internet connectivity requirements that need to be determined.  Explain any FIVE of such requirements.  (10 marks)

b) What is tunnelling? (2 marks)

 

5a) List the two basic types of Web page designs with their characteristics.            (5 marks)

b) Outline and describe, in correct order, how a Web Search Engine works            (7 marks)

 

6a) State and briefly explain the goals common to all network connectivity projects regardless of network size    (6 marks)

b) State advantages and disadvantages of Microsoft Internet Connection Sharing (ICS) (3 marks)

c) State two advantages and four disadvantages of ISDN     (3 marks)


Select NOUN Past Questions & Answers by Faculties

Sciences

National Open University of Nigeria (NOUN) Faculty of Sciences Past Questions and Answers.

Education

National Open University of Nigeria (NOUN) Faculty of Education Past Questions and Answers.

Arts & Social Sciences

National Open University of Nigeria (NOUN) Faculty of Arts and Social Sciences Past Questions and Answers.

Law

National Open University of Nigeria (NOUN) Faculty of Law Past Questions and Answers.

Management Sciences

National Open University of Nigeria (NOUN) Faculty of Management Sciences Past Questions and Answers.

Health Sciences

National Open University of Nigeria (NOUN) Faculty of Health Sciences Past Questions and Answers.

Agriculture Sciences

National Open University of Nigeria (NOUN) Faculty of Agricultural Sciences Past Questions and Answers.

Select Project Topics & Materials by Categories

Accounting

Universities, Polytechnic's and Colleges of Education Accounting Project Topics and Materials.

Biology

Universities, Polytechnic's and Colleges of Education Biology Project Topics and Materials.

Business Education

Universities, Polytechnic's and Colleges of Education Business Education Project Topics and Materials.

Chemistry

Universities, Polytechnic's and Colleges of Education Chemistry Project Topics and Materials.

Computer Science

Universities, Polytechnic's and Colleges of Education Computer Science Project Topics and Materials.

Criminology & Security

Universities, Polytechnic's and Colleges of Education Criminology & Security Project Topics and Materials.

Economics

Universities, Polytechnic's and Colleges of Education Economics Project Topics and Materials.

Education

Universities, Polytechnic's and Colleges of Education Education Project Topics and Materials.

English/Linguistic

Universities, Polytechnic's and Colleges of Education English/Linguistic Project Topics and Materials.

Entrepreneurship

Universities, Polytechnic's and Colleges of Education Entrepreneurship Project Topics and Materials.

Environmental Science

Universities, Polytechnic's and Colleges of Education Environmental Science Project Topics and Materials.

Law

Universities, Polytechnic's and Colleges of Education Law Project Topics and Materials.

Marketing

Universities, Polytechnic's and Colleges of Education Marketing Project Topics and Materials.

Physics

Universities, Polytechnic's and Colleges of Education Physics Project Topics and Materials.

Political Science

Universities, Polytechnic's and Colleges of Education Political Science Project Topics and Materials.

Public Administration

Universities, Polytechnic's and Colleges of Education Public Administration Project Topics and Materials.

Facebook posts