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Bit2205:Networking Essentials Question Paper
Bit2205:Networking Essentials
Course:Bachelor Of Information Technology
Institution: Meru University Of Science And Technology question papers
Exam Year:2011
1
a) i) Explain asynchronous transmission. (2 Marks) ii) Discuss the reasons why transmission modes are of concern to an analyst when designing a data communication channel. (3 Marks) b) Define the following terms; (3 Marks) i. cross – talk ii. Voice band c) State one structure and one application difference between TCP/IP and OSI networking model. (4 Marks) d) Describe any four telecommunications processors, exemplifying there relevance on the network. (4 Marks) e) Outline the difference of analog signal and digital signal modulation. (4 Marks) f) Bounded networks are difficult to install and hence relatively expensive. Nevertheless, they also have some advantages. Using relevant examples mention any such two advantages. (2 Marks) g) List any two international bodies concerned with creating standards. (4 Marks) h) Computer network is both hardware and software. Argue for or against this statement. (4 Marks)
QUESTION TWO (20 MARKS)
a) i) Explain the two types of optical fibre cables. (4 Marks) ii) Fibre optics is gaining popularity over all other transmission media in the networking industry. Briefly give two adversities being encountered by the companies that are establishing optic fibre connections. (4 Marks) b) Asynchronous means “asynchronous at the byte level”. Describe asynchronous transmission properly articulating this statement. (2 Marks)
2
c) Meru NetWaks provides networking services and consultation. MUCST has consulted NetWaks for appropriate topologies for their extensive network within the university WAN. Assuming the duties of the NetWaks’ administrator, advice the university on the best topology (ies) to use between the administration block and the four University Schools offices. (6 Marks) d) Distinguish between the uplink and downlink transmissions. (4 Marks)
QUESTION THREE (20 MARKS)
a) The innovation/evolution in technology has improved data and information transformation and transmission. Briefly explain how networking technologies have been able to revolutionize the information systems and the information processing industry. (6 Marks) b) Outline any two major uses of Radio wave communications. (4 Marks) c) Discuss the three techniques used for modulating analog signals. (6 Marks) d) Differentiate between the following terms; i. Gnutella and Napstan architectures (2 Marks) ii. Serial and parallel transmission, (2 Marks)
QUESTION FOUR (20 MARKS)
a) MUCST procurement officer wishes to vet the requisitions for network material written by the network administrator. You have been appointed by the management to provide technical advice. Explain the importance of the following requisitioned items on the network i. NIC ii. Brouter iii. Network printers and photocopiers (6 Marks) b) Network operating system ( NOS) is a management software. Explain this statement, properly elucidating the functions of NOS. (6 Marks) c) List any two protocols used at the Data Link layer of the OSI reference model. (2 Marks) d) There are several ways of classifying networks. Discuss any three categories of networks, give examples and demonstrate their practical relevance. (6 Marks)
QUESTION FIVE (20 MARKS)
a) Describe the operating characteristics of the following; i. Token Ring ii. FDDI (8 Marks) b) Describe any four threats MUCST is likely to face as a result of networking its internal systems with the global systems. (6 Marks) c) Give any two functions of the following layers in the OSI reference model; Network, Application and Physical. (6 Marks)
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