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Cisy 437 Network Performance &Amp; Optimization Question Paper

Cisy 437 Network Performance &Amp; Optimization

Course:Computer Information Systems

Institution: Kenya Methodist University question papers

Exam Year:2013

KENYA METHODIST UNIVERSITY

END OF 1ST TRIMESTER 2013 (EVENING) EXAMINATION

FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : CIS & BI
UNIT CODE : CISY 437
UNIT TITLE : NETWORK PERFORMANCE & OPTIMIZATION
TIME : 2 HOURS

Instructions: Answer Question ONE and any other TWO Questions.

Question One

(a) Define the following terms as used in computer networks. (3 Marks)

(i) Network
(ii) Internet
(iii) Intranet

(b) List FOUR benefits of networking to an organization. (4 Marks)
(c) Define performance as used in networking. (4 Marks)
(d) Outline SIX network performance factors. (6 Marks)
(e) Give THREE advantages of packet –switched networks. (3 Marks)
(f) Identify any FOUR network hardware. (4 Marks)
(g) Explain the following as used in network performance optimization.
(6 Marks)
(i) Cost Management
(ii) Content Management
(iii) User Management

Question Two

(a) Define the term network quality of service. (2 Marks)
(b) Explain how quality of service can be realized and measured in a network.
(10 Marks)
(c) Discuss LAN optimization. (8 Marks)

Question Three

(a) Discuss FIVE issues considered under user management in network optimization. (10 Marks)

(b) Using diagrams distinguish between peer-to-peer, server based and client based networks. (10 Marks)

Question Four

(a) Explain the term denial of service (DOS) attack in a network. (2 Marks)
(b) Explain the idea behind a virtual private network. (2 Marks)
(c) Suggest FOUR ways of attacks from outside your company network.
(4 Marks)
(d) Discuss SIX items to include in the list when analyzing network security.
(12 Marks)
Question Five
(a) Explain any TWO network performance measurement tools and models.
(4 Marks)
(b) Using a diagram explain packet switching. (5 Marks)
(c) Discuss the following as used in networking: (6 Marks)
(i) Traffic
(ii) Jitter
(iii) Errors

(d) List any FIVE network software. (5 Marks

Cisy 437 Network Performance &Amp; Optimization Question Paper

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