Chapter 7, Problem 3RQ

Explanation of Solution

Internet:

• The Internet is a wide range of network that connects computers throughout the world.
• It holds vast area of information, resources and services. This information can be sent and received through the Internet.
• It uses routers and servers to connect a computer anywhere in the world.
• It uses the standard protocol such as TCP/IP.
• Some uses of internet are as follows:
  • Communication
  • Shopping
  • Entertainment
  • Financial transaction
  • Real-time updates

Working of Internet:

• Internet constitutes of two components that helps in understanding the internet. They are:
  • Hardware
    • This component includes everything like the cables, routers, smartphones and other such devices. These components create a network of networks.
    • Some hardware devices become the end points which are called the clients and the machines that store information which the users seek on the internet are servers.
    • Other hardware devices are called nodes that act as a connecting point along the route.
  • Protocols
    • The hardware would not be able to create a network without using the second component which is the protocol...

Explanation of Solution

 Domain Name System (DNS):

DNS is the way internet domain names are located and translated into internet protocol address.

 Working of DNS:

• The servers of DNS maintain a database that contains the IP addresses mapped to their corresponding domain names.
• It looks like a hierarchical structure, where root is the domain name.
• Top-level domain is a child domain of the root and second-level domain is a child domain of the top-level domain.
• Two- or three-character names are used in the top-level domain such as .com, .edu, .gov, .org etc.
• Second-level domain contains two parts, designating a top-level name such as amazon.ca, nyu.edu.
• In the hierarchical structure, the bottom is a host name that designates a specific computer on either the private or internet network.

Internet Protocol (IP) address:

• Internet Protocol is a protocol suite that offers routing of packets from one computer to another...

Explanation of Solution

 Principal internet services:

• Chatting and messaging
• E-mail
• Telnet
• Newsgroups
• World Wide Web (WWW)
• File Transfer Protocol (FTP)

 Chatting and messaging:

• It includes two or more people who are instantaneously connected to the internet so that they can hold live, and interactive conversions.
• Messaging is one kind of chat service that allows participants to make their own private chat channels.
• It will support voice and video chat and also written conversions.

 E-mail:

• E-mail is allowed to share the documents or files from one computer to another, and for sending and receiving the messages so that employees within the business can easily communicate with one another.
• This is a cost effective alternative to equivalent voice, postal or overnight delivery costs.

 Telnet:

• It will be possible for employees to log onto the computer and do work on another...

Explanation of Solution

 VoIP:

• Voice over IP (VoIP) is used to deliver voice data in digital form using packet switching methods.
• Normal calls transmitted over telephone networks can travel over the corporate network based on the internet protocol.
• It will save money by avoiding the costs of delivering information through telephone lines.

 VoIP providing business values:

• By a simple click- and-drag operation, it will allow conference calls on the computer screen to select the names of those taking the calls.
• It is cost effective, so all the business uses VoIP.
• Telecommunication and cable companies are giving VoIP service along with their high speed internet and cable offerings which tends to be more attractive to the customers...

Explanation of Solution

 Alternative ways of locating information on the web:

• Intelligent agent shopping bots
• Wikipedia
• Search engine
• Blogs
• Social networking
• RSS
• Web 2.0
• Web 3.0

 Intelligent agent shopping bots:

• For using internet for shopping information, the shopping bots use intelligent agent software.
• For availability and price of the products specified by the user, the shopping bots are used and this will return the list of sites that sell the item along with pricing information and purchase link.

 Wikipedia:

• Wikipedia is the largest reference website across the worldwide. It is a multilingual, free encyclopedia, web-based website.
• In spite of its growth and success, it faces certain limitations regarding plagiarism, vandalism and copyright.

 Search engine:

• For finding the information on the web, the search is used instantly.
• It will go through PDF documents, file of Microsoft Office applications, images, HTML files, audio and video files to produce the results that match the desired search.

Blog:

• A website that is maintained by an individual to express one‘s own opinions and the contents present are available to the public.
• The contents or opinions are shared by the blogger in a regular fashion based on the trends that are released day to day.
• The contents are presented in the form of stories, news, trends, links that could be redirected to other articles or websites that interests the bloggers much.

Social Networking or Social Media:

• Social media is making and sharing of information, career interests, ideas and other forms of expression through networks and virtual communities...

Explanation of Solution

 Uses of online search technologies for marketing:

• Searching is one of the web most popular activities with billions of queries performed every month. It is the foundation for the most profitable form of online advertisements and marketing.
• The search engine contains two types of listing when the users enter the search term in the search engine...