Computer Networks

Pg. 02 Question Two

Deadline: Day 04/10/2018 @ 23:59

Computer Networks

IT210

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College of Computing and Informatics

Question One

1.5 Marks

Learning Outcome(s):

Explain networking principles, models and technologies.

1. Using the provided LAN, What are the consequences if a connection fails in:

A) The switch (0.5 Marks)

B) Host 1 (0.5 Marks)

2. What is the difference between internet and Internet? (0.5 Marks)

Question Two

1.5 Marks

Learning Outcome(s):

Explain networking principles, models and technologies.

1. What is Multiplexing and De-multiplexing in TCP/IP? (1 Marks)

– Do not provide any drawings in your answers. Otherwise your work is awarded a zero mark.

2. Why Multiplexing and De-multiplex is important in networking? (0.5 Marks)

Question Three

1.5 Marks

Learning Outcome(s):

Clear understanding of the physical layer & associated hardware; integration of internetworking hardware and software.

1. What is the required bit rate to download text document which contains 1000,000 characters (assume one character required 8 bits) and you need to express the answer in megabit per second. (0.5 Marks)

2. What is the difference between latency and jitter? (1 Marks)

Question Four

1.5 Marks

Learning Outcome(s):

Outline the physical layer & associated hardware and software integration.

1. List out 2 Advantages and 2 Disadvantages of Optical Fiber over metallic cable. (1 Marks)

2. Unguided signals can travel from the source to the destination in three ways. Explain only one of them. (0.5 Marks)

– Do not provide any drawings in your answers. Otherwise your work is awarded a zero mark.