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Bbt2204:Network System Administration Question Paper
Bbt2204:Network System Administration
Course:Bachelor Of Information Technology
Institution: Meru University Of Science And Technology question papers
Exam Year:2013
QUESTION ONE – 30 MARKS
a. Explain network size and the best IP addressing methods to apply to the following networking scenarios: i. Connectivity between two laptops. (2 Marks) ii. 15 desktops sharing a printer (2 Marks) iii. 100 tablets accessing internet in a hotspot. (2 Marks) b. Define the following terms as applied in networking: i. A node (2 Marks) ii. A workstation (2 Marks) iii. A dumb terminal (2 Marks) iv. A hub (2 Marks) c. iscuss and illustrate riscilla ppenheimer’s steps for designing a network (4 Marks) d. Calculate the number of sessions expected at each of the following installations: i. Ninety client machines accessing three database servers via SQL statements. (3 Marks) ii. Ninety client machines accessing three database servers via six application servers. (3 Marks) e. Give a recommendation of the best solution from the above networks and explain the reason why. (2 Marks) f. Distinguish between parallel verses serial data transmission. (4 Marks)
QUESTION TWO – 20 MARKS
a. Describe the three ways to modulate a digital signal on an analogue carrier signal. (3 Marks) b. Explain the encoding techniques used to encode digital data into digital signals. (4 Marks) c. With the use of a diagram, discuss the protocols at each level within the OSI reference model. (4 Marks) d. List and give examples of the three main technologies used in wireless physical media.(3 Marks) e. Discuss the systems administration concerns involved in wireless networks. (4 Marks) f. Distinguish between modulation verses transmission. (2 Marks)
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QUESTION THREE – 20 MARKS
a. Explain the three ways by which packets can be routed. (3 Marks) b. Define the term multiplexing and give example usage. (2 Marks) c. Specifically, there are two important rules for polite human conversion; list them. (2 Marks) d. Identify and explain the two main categories within the data link layer. (2 Marks) e. Describe the following: f. Give a brief history of the Aloha Protocol. (3 Marks) g. Explain the following modes of operation within the token ring: i. Listen mode (2 Marks) ii. By pass mode (2 Marks)
QUESTION FOUR – 20 MARKS
a. Explain the meaning of the term frame relay. (2 Marks) b. Distinguish between the SMTP and POP services. (4 Marks) c. Compare and contrast the Linux network operating system verses the windows network operating system. (4 Marks) d. Give a brief history of the Unix Network Operating System. (3 Marks) e. With the use of a diagram, explain the FTP processes. (3 Marks) f. Discuss the rationale behind grouping of the OSI layered Network Model. (4 Marks)
QUESTION FIVE – 20 MARKS
a. Explain the usage of the following Linux commands: i. 1s-1 (2 Marks) ii. pwd (2 Marks) iii. move (2 Marks) iv. ping (2 Marks) b. List the main activities which network systems administrators are involved in. (4 Marks) c. With the use of a diagram, explain the 2-tiered verses the 3-tiered client server models.(4 Marks) d. Discuss the measures of network performance. (2 Marks) e. Explain the following acronyms: i. FDDI (1 Mark) ii. ISDN (1 Mark)
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