Which of the network (out of LAN, PAN and MAN) is formed, When you connect two mobiles using Bluetooth to transfer a picture file?

2

(a)

When two mobiles are connected using Bluetooth to transfer a picture file, a PAN(Personal Area Network) is created.

Write one advantage of star topology of network? Also, illustrate how five computers can be connected with each other using star topology of ntework

2

(a)

Advantage of star topology   No distribution to the network when connecting or removing devices.

Five computers can be connected with each other using server in the following way:

What is the function modem?

2

(a)

Function of modem is to convert analog signals into digital signals. Modem also converts digital signal into analog signal. It is also used to connect Internet.

What is hub?

2

(a)

A hub is a hardware device used to connect several computers together.

What is the advantage of using SWITCH over HUB?

2

(a)

Switch provides a dedicated line at full bandwidth between two devices but hub doesn't provide a dedicated line. Hub share the banndwidth.

What is the difference between video conferencing and chat?

2

(a)

Chat generally involves one-to-one communicatio. On the other hand, video conferencing means more than two persons are involved in a discussion.

What out of the following you will use to have an audio visual chat with an expert sitting a far away place to fix-up technical issues?

(i) E-mail                                                                      (ii) Volp

(iii) FTP 

2

(a)

(ii) Volp

Which of the following will come:
(i) theft of a brand new sealed pack laptop
(ii) Access to a bank account for getting in unauthorized money transaction.
(iii) Modification in a company data with unauthorized access.
(iv)Photocopying a printed copy under cybercrime?

2

(a)

(ii) Access to a bank accounts for getting in unauthorized money transaction.

Expand the following terminologies:

(i) GSM                                      (ii) WLL

 

2

(a)

(i) GSM  Global System for Mobile Communication.

(ii) WLL  Wireless in Local Loop.

Write two applications of cyber law?

2

(a)

The cyber law refers to all the legal and regularly aspects of Internet and the world wide web, including intellectual property, privacy, and freedom of expression.

Give one suitable example of each URL and domain name.

2

(a)

URL http://www.Gabsclasses.com/aboutus

Domain name  www.Gabsclasses.com

Differentiate between XML and HTML.

2

(a)

XML was designed to describe data and to focus on what data is. HTML was designed to display data and to focus on how data looks. HTML is about displaying information while XML is about describing information 

Name any two common web browsers.

2

(a)

Two common web browsers are:
(i) Mosaic
(ii) Internet Explorer

Name one commonly used open source internet browser and one commonly used open source operating system.

2

(a)

Open source Internet browser - Chromium

Open source operating system - Linux

Why GNU is known as "GNU Not Unix"?

2

(a)

GNU is a recursive acronym for "GNU Not Unix", which was selected because its design is similar to Unix but it does not contain actual UNIX code. 

Explain the following terms in short:
(i) DHTML
(ii) ISP

4

(a)

Trine Tech Corporation (TTC) is a professional consultancy company. the company is planning to set up their offices in India with its hub at Hyderabad. As a network advisor, you have to understand their requirement and suggest them the best available solutions. Their queries are mentioned as (i) to (iv) below.
Block to block distance(in m)

Block (From)	Block(To)	Distance
Human Resource	Conference	110
Human Resource	Finance	40
Conference	Finance	80

 Expected number of computers to be in each block

Block	Computers
Human Resource	25
Finance	120
Conference	90

(i) Which will be the most appropriate block, where TTC should plan to install their server?
(ii) Draw a block to block cable layout to connect all the building in the most appropriate manner for efficient communication.
(iii) What will be the best possible connectivity out of the following, you will suggest to connect the new setup of offices in Bangalore with its London based office.

•   Satellite link                  
•   Infrared

(iv) Which of the following device will be suggested by you to connect each computer in each of the buildings?

• Switch                    
• Modem
• Gateway

6

(a)