Chapter 14 Networking and Open Source Concepts Solutions
Question - 21 : - What is an IP Address ?
Answer - 21 : -
IP address is a unique identifier for a node or host connection on an IP network. An IP address is a 32 bit binary number usually represented as 4 decimal values, each representing 8 bits, in the range 0 to 255 (know as octets) separated by decimal points. This is known as “dotted decimal” notation.
Example : 140.179.220.200
Question - 22 : - What is HTTP ?
Answer - 22 : -
HTTP is a protocol that is used for transferring hypertext (i.e., text,graphic,image,sound,video,e tc,) between 2 computers and is particularly used on the world wideWeb (WWW).
[1 mark for definition/explanation]
Question - 23 : - Explain the importance of Cookies.
Answer - 23 : -
When the user browses a website, the web server sends a text file to the web browser. This small text file is a cookie. They are usually used to track the pages that we visit so that information can be customised for us for that visit.
Question - 24 : - How is 4G different from 3G?
Answer - 24 : -
3G technology adds multimedia facilities such as video, audio and graphics applications whereas 4G will provide better than TV quality images and video-links.
Question - 25 : - Illustrate the layout for connecting 5 computers
in a Bus and a Start topology of Networks.
Answer - 25 : -
Bus topology
Or any valid illustration of Bus and Star Topology.
Question - 26 : - What is a spam mail ?
Answer - 26 : -
Spam is the abuse of electronic messaging systems (including most broadcast media, digital delivery systems) to send unsolicited bulk messages indiscriminately.
Question - 27 : - Differentiate between FTP and HTTP
Answer - 27 : -
FTP is a protocol to transfer files over the Internet
HTTP is a protocol which allows the use of HTML to browse web pages in the World Wide Web.
Question - 28 : - following, which is the fastest
- wired and
- wireless medium of communication ?
Answer - 28 : -
Wired – Optical Fiber
Wireless – Infrared OR Microwave
Question - 29 : - What is Worm ? How is it removed ?
Answer - 29 : -
A worm is a self-replicating computer program. It uses a network to send copies of itself to other computers on the network and it may do so without any user intervention.
Most of .the common anti-virus (anti-worm) remove worm.
Question - 30 : - What kind of data gets stored in cookies and how is it useful ?
Answer - 30 : -
When a Website with cookie capabilities is visited, its server sends certain information about the browser, which is stored in the hard drive as a text file. It is as way for the server to remember things about the visited sites.