CS601 Data Communication Assignment No. 01 Discussion Spring 2014

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CS601 Data Communication Assignment No. 01 Solution Due Date May 13, 2014


Question No 1: Marks 10

Suppose data is being transferred between two cell phones via blue tooth. You are required to answer the following questions with proper reasoning:
What will be the line configuration between them? (Point to point or Multipoint).
What will be the relationship between the cell phones? (Peer to Peer or Primary Secondary)
Which type of communication will it be? (Local or Remote communication)
What will be the medium of communication? (Wireless or Wired)

Question No 2: Marks 5

Suppose computer A is connected to another computer B by a passive hub at home. You are required to mention the type (LAN, MAN or WAN) of this computer network? Support your answer with reason.
Question No 3: Marks 5

Identify the following transmission modes as simplex, half duplex or full duplex.\
Walkie talkie
Telephone conversation
A person talking into microphone
Viber calling
TV broadcasting

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Q.2: Suppose computer A is connected to another computer B by a passive hub at home. You are required to mention the type (LAN, MAN or WAN) of this computer network? Support your answer with reason?

1) Geographical area:

As we knew that, A and B computer connected with each other at home, it's one good reason to understand that, our network is Local area network LAN. Because local area network always restricted to limited geographical area like home, work station, building etc.

2) Passive Hub:

if we talk about passive hub, it is central connecting device in network that act as a point contact for wires from numerous stations. But it doesn't coordinate as a signal regeneration or processing of signals. So it's second good reason to understand that, we are under local area network LAN. Suppose that, we are in WAN or MAN network, definitely we need to regenerate signal to maintain network effectiveness . But here we are using passive hub, so we are in Local area network.

Note: All answers are just contribution for helping other students, Please don't copy and paste it, Just try to understand major concepts. Best of luck..

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question No 1: Marks 10
Suppose data is being transferred between two cell phones via blue tooth. You are required to answer the following questions with proper reasoning:
What will be the line configuration between them? (Point to point or Multipoint).
What will be the relationship between the cell phones? (Peer to Peer or Primary Secondary)
Which type of communication will it be? (Local or Remote communication)
What will be the medium of communication? (Wireless or Wired)
Answers:
What will be the line configuration between them? ( Multipoint).
What will be the relationship between the cell phones? (Peer to Peer )
Which type of communication will it be? (Local communication)
What will be the medium of communication? (Wireless )

Q.2: Suppose computer A is connected to another computer B by a passive hub at home. You are required to mention the type (LAN, MAN or WAN) of this computer network? Support your answer with reason?
1) Geographical area:
As we knew that, A and B computer connected with each other at home, it's one good reason to understand that, our network is Local area network LAN. Because local area network always restricted to limited geographical area like home, work station, building etc.
2) Passive Hub:
if we talk about passive hub, it is central connecting device in network that act as a point contact for wires from numerous stations. But it doesn't coordinate as a signal regeneration or processing of signals. So it's second good reason to understand that, we are under local area network LAN. Suppose that, we are in WAN or MAN network, definitely we need to regenerate signal to maintain network effectiveness . But here we are using passive hub, so we are in Local area network.

Q.3: Identify the following transmission modes as simplex, half duplex or full duplex.
a. Walkie talkie (Half-Duplex)
b. Telephone conversation (Full-Duplex)
c. A person talking into microphone (Half-Duplex)
d. Viber calling (Half-Duplex)
e. TV broadcasting (Simplex)