Assignment 1
Deadline: Day 27/09/2020 @ 23:59
[Total Marks for this Assignment are 5]

Computer Networks

IT210

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College of Computing and Informatics

Question One
1 Mark

Learning Outcome(s):

Explain networking principles, models and technologies.

The addition of information to a PDU (protocol data units) as its passed from one layer to the next is called which of the following process?

a. Headlining

b. Encapsulation

c. Decapsulation

d. Converting

Draw a diagram showing this process as information passes from the Transport layer to the Physical layer.

Question Two
Learning Outcome(s):

Explain networking principles, models and technologies.

1.5 Marks

What is the difference between internet and Internet? Name the four basic network topologies, and cite an advantage of each type in your own words?

Question Three
1.5 Marks

Learning Outcome(s):

Outline the physical layer & associated hardware and software integration.

In your own words, explain what is the difference between omnidirectional waves and unidirectional Waves? What type of Unguided mediums that uses them?

Question Four
1 Mark

Learning Outcome(s):

Outline the physical layer & associated hardware and software integration.

What is the transmission time of a packet sent by a station if the length of the packet is 1 million bytes and the bandwidth of the channel is 200 Kbps?