Question 1

Question 1Assertion. WWW and the Internet are not the same.Reason. WWW is a set of programs, standards and protocols that allows propagation and navigation of multimedia and hypermedia documents.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

Both A and R are true and R is the correct explanation of A.ExplanationThe World Wide Web (WWW) is a set of programs, standards, and protocols that allow multimedia and hypertext files to be created, displayed, and linked on the Internet. On the other hand, the Internet is a computer-based worldwide communications network composed of a large number of smaller interconnected networks. Hence, WWW and the Internet are not the same.

Question 2

Question 2Assertion. Every document linked to the web has a URL.Reason. A location on a net server has a unique address called URL (Uniform Resource Locator).Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

Both A and R are true and R is the correct explanation of A.ExplanationA URL (Uniform Resource Locator) is a unique address used to locate resources (such as documents, images, videos, etc.) on the web server. When a document is linked to the web, it is associated with a specific URL that allows users and web browsers to access and retrieve that document from its location on the server.

Question 3

Question 3Assertion. A website is a group of related web pages hosted on a web server.Reason. A website is a collection of some hyperlinks.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

A is true but R is false.ExplanationA website or site is a group of related web pages hosted on a web server. These pages are linked together through hyperlinks and hypertext and share a common interface and design.

Question 4

Question 4Assertion. Hyperlinks are essential for navigating on the Internet.Reason. A hyperlink refers to a dynamic link upon clicking at which the linked resource or web page opens up.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

Both A and R are true and R is the correct explanation of A.ExplanationHyperlinks are essential for navigating the Internet as they allow users to easily move between different web pages and resources. A hyperlink refers to a dynamic link from a hypertext file to another such file, and upon clicking, the linked document opens up.

Question 5

Question 5Assertion. A static web page remains the same every time it is opened.Reason. A static web page has no inserted code to change its appearance.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

Both A and R are true and R is the correct explanation of A.ExplanationA static web page remains the same every time it is opened because it contains only static content, which is fixed and does not change and static web pages are written using HTML code. There is no dynamic code to change its appearance.

Question 6

Question 6Assertion. A dynamic web page gets displayed differently every time it is loaded.Reason. Dynamic web pages are a group of different web pages and every time a different web page is loaded.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

A is true but R is false.ExplanationA dynamic web page is one that contains dynamic content, which is displayed differently each time it loads. The content on the server remains the same, but instead of being just HTML, it also includes dynamic code written in languages such as PHP, JavaScript, etc.

Question 7

Question 7Assertion. Scripts play an important role in dynamic web pages.Reason. Scripts are embedded codes within web pages, that execute at the client's browser and make the web page look different.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

Both A and R are true and R is the correct explanation of A.ExplanationScripts play an important role in dynamic web pages as they are responsible for displaying different data depending on information such as the time of day, the logged-in user, the date, and the search term used. These scripts are embedded codes within a web page that execute on the client's browser, making the web page look different.

Question 8

Question 8Assertion. A website and the home page of a website has the same URL.Reason. The landing page of a website is called home page.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

Both A and R are true and R is the correct explanation of A.ExplanationThe home page is the first web page that users encounter when they visit a website. Therefore, a website and its home page have the same URL, as the URL of a website directs users to its home page, which serves as the main entry point.

Question 9

Question 9Assertion (A). A static web page does not change for each person visiting the web page.Reason (R). When a web server receives a request for a dynamic web page, it locates and updates the page and sends it to the browser of the client.Both A and R are true and R is the correct explanation of A.Both A and R are true but R is not the correct explanation of A.A is true but R is false.A is false but R is true.

Accepted Answer

Both A and R are true but R is not the correct explanation of A.ExplanationA static web page does not change for each person visiting the page because it contains only static content written in HTML code. On the other hand, when a web server receives a request for a dynamic web page, it locates and updates the page and sends it to the client's browser.

Question 10

Question 1What is WWW ? How does it function ?

Accepted Answer

WWW stands for World Wide Web. The World Wide Web is an Internet system i.e., a set of programs, standards, and protocols that allows the multimedia and hypertext files to be created, displayed and linked on the Internet.World Wide Web uses different technologies and protocols such as Hyper Text Markup Language (HTML), Hypertext Transfer Protocol (HTTP), web browser, internet etc. The basic functioning of WWW is as follows:A client uses a web browser to make HTTP request to a web server to get some resource on World Wide Web.This request reaches the web server via Internet.The web server locates the required resource on the database and makes it available to the client via Internet.For example, if the client enters the URL : http://www.edupillar.com/index.htm in the browser, a request is sent to the web server whose domain name is edupillar.com. The server then fetches the page named index.htm and send it to the browser of the client.

Question 11

Question 2What is a server ? What is a web server ?

Accepted Answer

A server is a computer that has server software loaded on it. Its main job is to manage network resources and share resources for clients. There are many types of servers — file server, mail server, web server etc.A web server is a World Wide Web server that stores web documents and responds to the requests made by web browsers. It is a specific protocol type of server, looking only for HTTP requests instead of many different types of resource requests.

Question 12

Question 3Enlist some services provided by a web server.

Accepted Answer

A web server is completely dedicated to handling requests for webpages. It provides following major services :Serving Web Pages — The primary function of a webserver is to deliver web pages on the request of clients using the Hypertext Transfer Protocol (HTTP). This means delivery of HTML documents and any additional content that may be included by a document, such as images, style sheets and scripts.Running Gateway Programs (CGI) and Returning Output — In order to process the requests received, the webservers need to run special programs called CGI programs which help them fetch the required output as per the request made by the client.Controlling Access to the Server — A full implementation of HTTP also includes ways of receiving content from clients. This feature is used for submitting web forms, including uploading of files.Monitoring and Logging all Access — The web servers also ensure that only authenticated access takes place and thus they keep running many monitoring programs and keep logging all the activities.Server Side Scripting — Many generic web servers also support server-side scripting using Active Server Pages (ASP), PHP, or other scripting languages.

Question 13

Question 4Name some web server software prominently in use.

Accepted Answer

Some web server software prominently in use are :Apache WebserverApache TomcatWebserver IISThe Lighttpd ServerJigsaw web serverSun Java system web server

Question 14

Question 5Differentiate between a web page and a home page.

Accepted Answer

Web pageHome PageA document using http and that resides on a web-site is known as a web page.Home page is the top-level web page of a web site. This is the page that gets displayed first of all when a web-site is opened.A website can contain many web pages.Only one web page can be set as the home page for a web site.

Question 15

Question 6How is a web site different from that of a web portal ?

Accepted Answer

Web siteWeb PortalCollection of webpages offering a specialized content pertaining to the need and goal of the organization owning the website.Collection of launch webpages of array of web-services like email, search engine, weather, gaming, news etc.It is often the final destination to access and use the provided specific information.It is normally an entry point or gateway for using the offered web-services.A website is generally linked to its own webpages.Generally linked to many other websites that provide these web-services.Caters to or delivers one specific type of application or content as per the goal of the website.A complete environment for managing and integrating a large number of diverse applications.Examples : knowledgeboat.com, edupillar.com, cbseacademic.in, ncert.nic.in etc.Examples : Google, Yahoo, Rediff, MSN, AOL etc.

Question 16

Question 7What are the components of a website ?

Accepted Answer

The essential components of a website are as follows:Webhost — A website is physically located on a Webhost. A group of linked webpages qualify to be called a website only when hosted on a web server. When the user specifies the address of the website, the webpages are transmitted to the user's computer from a webhost.Address — This is the address (URL) of the website. One needs to put this address into the web browser to see a website, and the asked site is delivered by the webserver.Homepage — The first page that appears when viewers go to a website is called the Homepage. Home page is very important as it sets the look and feel of the website and directs viewers to the rest of the pages in the website.Design — It is the overall look and feel the website has as a result of proper use and integration elements like navigation menus, graphics, layout etc.Content — All the webpages contained in the website together make up the content of the website.The Navigation Structure — The navigation structure of a website is the order of the pages, the collection of what links to what. Usually it is held together by at least one navigation menu.

Question 17

Question 8What are the components of a webpage ?

Accepted Answer

The components of a webpage can be categorized in two ways:1. Content wise components — Content wise components of a web page are as follows:Hypertext — It refers to a digital text, which is more than just text as it can include information in various media formats such as text, graphics, sound, images, videos and hyperlinks.Hyperlink — It refers to a link from a hypertext file to another such file. A hyperlink can be in the form of a graphic or text, upon clicking where the linked document opens up.2. Structure wise components— Structure wise components of a web page are as follows:Page Title — This is a single line text which is displayed on the title bar of the browser displaying web page.Header — This is generally a one or two line text defining the purpose of the web page. It is displayed at the top of the web page, below the address bar of the browser.Body of the web page — This is the section below the header of the web page and it contains the actual content of the web page.Navigational Links — These are the hyperlinks placed on the web page using which we can move to the linked web pages/documents.Footer — This is the bottom section of the web page. This is the section where usually the copyright notice, website contact information, etc. is put.

Question 18

Question 9Discuss some elements of a website.

Accepted Answer

The elements of a website are as follows:Webhost — A website is physically located on a web host. A group of linked web pages qualifies to be called a website only when hosted on a web server. When the user specifies the address of the website, the web pages are transmitted to the user's computer from the web host.Address — This is the address (URL) of the website. One needs to put this address into the web browser to see a website, and the asked site is delivered by the webserver.Homepage — The first page that appears when viewers go to a website is called the Homepage. Home page is very important as it sets the look and feel of the website and directs viewers to the rest of the pages in the website.Design — It is the overall look and feel the website has as a result of proper use and integration elements like navigation menus, graphics, layout etc.Content — All the webpages contained in the website together make up the content of the website.The Navigation Structure — The navigation structure of a website is the order of the pages, the collection of what links to what. Usually it is held together by at least one navigation menu.

Question 19

Question 10Briefly explain the basic concepts of a web server and web hosting.

Accepted Answer

A web server is a WWW server that stores web documents and responds to requests made by web browsers. Some examples are Apache, IIS, Nginx, GWS, and Netsite.A website is physically located on a web host. A group of linked web pages qualifies to be called a website only when hosted on a web server. When the user specifies the address of the website, the web pages are transmitted to the user's computer from the web host.

Question 20

Question 11Rati is doing a course in networking. She is unable to understand the concept of URL. Help her by explaining it with the help of suitable example.

Accepted Answer

A URL (Uniform Resource Locator) is a location on a net server. The Internet structure of the World Wide Web is built on a set of rules called Hypertext Transfer Protocol (HTTP), which uses Internet addresses in a special format called a URL.URLs look like this : type://address/path, where type: specifies the type of server in which the file is located, address is the address of server, and path tells the location of file on the server.For example, in the following URL http://encycle.msn.com/getinfo/styles.asp, http: specifies the type of server, encycle.msn.com is the address of server and getinfo/style.asp is the path of the file styles.asp.

Introduction to Internet and Web

Assertions And Reasons

Assignment

Checkpoint 101

Fill In The Blanks

Multiple Choice Questions

Truefalse Questions