NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
SEPTEMBER 2020 EXAMINATION

COURSE CODE : DAM 361

COURSE TITLE : BUSINESS COMMUNICATION AND NETWORKS

CREDIT UNIT : 2

TIME ALLOWED: 2 HOURS

INSTRUCTION : ANSWER QUESTIONS 1(ONE) AND ANY OTHER THREE (3)

1a) what are the benefits and limitations of centralized computing? (3.5 marks)

1b) Mention the materials needed for peer-to-peer networks (3 marks)

1c.) Enumerate the permissions granted by the management station to human or automatic events (2.5 marks)

1d) Illustrate the relationship between partners as prescribed in the partnership agreement (3 marks)

1e) Comment briefly of the following regarding partnership (6 marks)

i) Liability of Partners ii) Dissolution of Partnerships

iii) Formation of a Limited Liability Partnership

1f) Justify why you would prefer Bridges to Routers in your home network (3 marks)

1g.) Identify four quantitative measure of marketing performance? (4 marks)

2a.) What are the key characteristics of routers? (5mks)

b) Discuss the operations of any two categories of bridges (5 marks)

2c) In a sequential order, explain the transmission sequence on a CSMA/CD (5 marks)

3a) Give a functional description of the Data Link Layer? (5mks)

3b) Analyze in detail the rationale for the application of Sub-netting in a network (5mks)

3c) Give valid reasons to justify the use of the Layered Protocol Specification (5mks)

4a) Using appropriate diagram, justify the use of i) Repeaters and ii) bridges in a computer network (11 marks)

4b) Examine the marketing plan and outline any four (4) content? (4 marks)

5a.) As a network administrator, categorize the task and responsibilities involved in maintaining a network (7.5 marks)

5b) Describe the structure and rights of members of a Company (7.5 mark)