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Chapter 14 Networking and Open Source Concepts Solutions

Question - 1 : -
Identify the Domain name and URL from the following :
http://www.income.in/home.aboutus.hml

Answer - 1 : -

Domain name – income.in
URL – http://www.income.in/home.aboutus.hml

Question - 2 : -
What is Web Hosting?

Answer - 2 : -

Web hosting is the service that makes our website available to be viewed by others on the Internet. A web host provides space on its server, so that other computers around the world can access our website by means of a network or modem.

Question - 3 : -
What is the difference between packet & message switching ?

Answer - 3 : -

Packet Switching

Message switching

There is a tight upper limit on the block size. A fixed size of packet is specified.

In message switching there was no upper limit.

All the packets are stored in main memory in switching office.

In message switching packets are stored on disk. This increases the performance as access time is reduced.

 

Question - 4 : -
Which protocol in used in creating a connection with a remote machine ?

Answer - 4 : -

Telnet : It is an older internet utility that allow us to log on to remote computer system. It also facilitates for terminal emulation purpose.

Question - 5 : -
Which protocol is used to create a connection with a remote machine? Give any two advantage of using Optical Fibers.

Answer - 5 : -

Telnet Two advantage of using Optical Fibers are

  1. Capable of extremely high speed.
  2. No Electromagnetic interference.
  3. Extremely low attending

Question - 6 : -
What is cloud computing ?

Answer - 6 : -

The sharing of computer resources (dedicated, time-shared, or dynamically shared servers) and related infrastructurer components (load balancers, firewalls, network storage, developer tools, monitors and management tools) to facilitate the deployment and operation of web and network based applications. Cloud computing relies on sharing of resources to achieve coherence and economies of scale, similar to a utility (like the electricity grid) over a network.

Question - 7 : -
Write two characterstics of Wi-Fi.

Answer - 7 : -

  1. It is wireless network.
  2. It is for short range.

Question - 8 : -
Expand the following :

  1. GSM
  2. GPRS

Answer - 8 : -

  1. GSM – Global System for Mobile Communication.
  2. GPRS – General Packet Radio Service.

Question - 9 : -
Which type of network out of LAN, PAN and MAN is formed, when you connect two mobiles using Bluetooth to transfer a video

Answer - 9 : -

PAN

Question - 10 : -
Write one characterstic each for 2G and 3G mobile technologies.

Answer - 10 : -

2G networks primarily involve the transmission of voice information while 3G technology provides the additional advantage of data transfer.

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