Web Browser Interview Questions & Answers

  1. Question 1. What Is The Purpose Of Web Browser?

    Answer :

    Web browser is used to run the software application that allows retrieving, presenting and traversing the information from one place to another.

    Web browser provides the resources using the WWW (World Wide Web) this can be identified by URI (Uniform Resource Identifier).

    Web browser fetches the data like web page, image, video or other piece of content from the server and displays it accordingly.

    Web browser uses hyperlinks to display the resources and allow the users to navigate their browsers according to the resources.

    Web browser defines the application software that is designed for the user to access and retrieve the documents using the Internet.

  2. Question 2. What Is A Web Browser?

    Answer :

    A web browser is a software application for viewing webpages. Microsoft Internet Explorer, Mozilla FireFox, Opera, and Apple Safari are the most common web browsers.

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  4. Question 3. Why Are Proxy Servers Used For Incognito Browsing?

    Answer :

    Incognito browsing involves the use of firewalls and proxy servers that allow the prevention of the activities performed by the user.

    It prevents the world to view the activity and allow the limited sharing to be done when in incognito mode.

    Incognito automatically removes the tracks that are visited and doesn’t save any cookie that can harm the computer.

    Proxy servers are used as it allows the browsing data to bypass the security and doesn’t save any of the files that it does without the incognito.

    All the private data like cache or cookies is removed the moment the browser gets closed and nothing remains saved.

  5. Question 4. What Is Plug-in?

    Answer :

    In web browsers, a plug-in (also called plugin, addin, add-in, addon, add-on, snap-in or snapin) consists of a computer program that interacts with a host application (a web browser or an email client, for example) to provide a certain, usually very specific, function “on demand”. Add-on is often considered the general term comprising plug-ins, extensions, and themes as subcategories.

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  7. Question 5. What Is The Primary Function Of The Web Browsers?

    Answer :

    Web browser functions are to provide the resources or information to the user when asked by them.

    It processes the user inputs in the form of URL like http://www.google.com in the browser and allows the access to that page.

    URL is used to identify the resources and fetch them from the server and displays it to the client.

    It allows the user to interact with the web pages and dynamic content like surveys, forms, etc.

    It also allows the user to navigate through the complete web page and see its source code in the HTML format.

    It provides security to the data and the resources that are available on the web that is by using the secure methods.

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  9. Question 6. What Is A Safer Web Browser?

    Answer :

    safer browser has the following characteristics:

    • Latest version
    • Automatic software patches and upgrades
    • Anti-phishing functionality to notify you when you try to access a suspected fake website
    • 128-bit encryption that protects data during transmission
  10. Question 7. What Is The Use Of Incognito Browsing?

    Answer :

    Incognito browsing keeps the website secure and safe as it doesn’t store any cookies for the sites that are being visited.

    Web pages that are viewed in the incognito mode are not visible in the browser’s history or the search history that is being performed.

    No trace is being left of the website being visited as it doesn’t store the cookies or any files.

    It ensures the activities performed by the user are not traced and the security is being provided to the user for the use of web application.

    It is the safest methods to use as it leave no track behind and save the user from the sites that ask for private information.

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  12. Question 8. What You Know About Mozilla Firefox?

    Answer :

    Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. A Net Applications statistic put Firefox at 24.41% of the recorded usage share of web browsers as of January 2010, making it the second most popular browser in terms of current use worldwide after Microsoft’s Internet Explorer, and the most used browser independent of any one operating system. Other sources put Firefox’s usage share at between 21% and 32% and generally trending upward.

  13. Question 9. What Are The Different Types Of Components Involved In Uri?

    Answer :

    URI is known as Uniform Resource Identifier as it identifies the resources requested by clients and fetches them from the server.

    The components that are used in URI are as follows:

    http: is the first thing that is used in a URL and it is used to tell what kind of resource that needs to be retrieved over the server.

    > This includes the server details and it is itself a protocol known as Hypertext Transfer Protocol (HTTP) that is used to fetch the information.

    Web browsers sometimes use the secure protocol that is represented using HTTPs used in case of secure transaction over the internet.

    ftp: is also a protocol that is known as File Transfer Protocol that allows the transfer from a file from local computer to server.

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  15. Question 10. What Are Http And Https?

    Answer :

    HTTP (HyperText Transfer Protocol) is a protocol used to send data over the internet. HTTPS (HyperText Transfer Protocol using Secure Socket Layer) is a protocol that encrypts data to send it over the internet more safely. When you enter a URL into a browser, the address will begin with either HTTP or HTTPS

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  17. Question 11. What Is The Need To Clear Browser Cache?

    Answer :

    The user needs to clear the browser cache due to increase of data or content in the hard disk.

    The privacy becomes a big factor when the cache is being stacked up in the disk space as there are files in the cache that can be used to have the private information.

    The page loading problems can be corrected by refreshing the pages again and again or by clearing the cache to let the new updated pages to be stored.

    The cache can be cleared to save the disk space that is taken by the cookies and files stored in large quantity every time user visits the page.

    The cache needs to be cleared as it doesn’t provide automatic updation of the content for some sites and removes the criteria of improper functioning of the sites.

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  19. Question 12. Have You Any Idea About Netscape?

    Answer :

    Netscape’s web browser was once dominant in terms of usage share, but lost most of that share to Internet Explorer during the first browser war. By the end of 2006, the usage share of Netscape browsers had fallen, from over 90% in the mid 1990s, to less than 1%. Netscape developed the Secure Sockets Layer Protocol (SSL) for securing online communication, which is still widely used, as well as JavaScript, the most widely-used language for client-side scripting of web pages.

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  21. Question 13. What Are The Steps Required After Retrieving The Data From The Web Browser?

    Answer :

    The data is retrieved from the browser by using http, https, file and other resources with the displayed results.

    Web browser pass the HTML layout and then transform the input from markup to an interactive document.

    Web browsers display the content according to the requested data that is the part of the web page user requests.

    Web browser then displays the images, audio and video in the form of XML files that consists of plug-in and support flash applications.

    It has the support for JavaScript that can be used to open the file of unsupported type and set the downloading options on it.

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  23. Question 14. What Is Ssl (secure Sockets Layer)?

    Answer :

    SSL (Secure Sockets Layer) is a secure communications protocol used by browsers, websites, and applications to protect information sent over the internet. SSL protocol uses encryption and authentication technologies to make sure only the intended parties can read the information.

  24. Question 15. What Is The Way To Clear The Browser Cache?

    Answer :

    The browser cache consists of the temporary storage space on the computer’s disk or the device that is being used for storing all the information.

    The browser cache consists of the information regarding the recently viewed web pages and the files that are in association with them.

    The cache allows the browser to render the pages that are being visited and allow them to reload using the entire page.

    It also stores the images, audio and video files that are fetched from the web server and can be fetched from the local servers.

    The settings can be changed according to the location of the browser cache and the space can be increased or decreased according to the requirement.

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  26. Question 16. Explain About Safari (web Browser)?

    Answer :

    Safari is a web browser developed by Apple. First released as a public beta on January 7, 2003 on the company’s Mac OS X operating system, it became Apple’s default browser beginning with Mac OS X v10.3 “Panther.” Safari is also the native browser for the iPhone OS. A version of Safari for the Microsoft Windows operating system, first released on June 11, 2007, supports Windows XP, Windows Vista, and Windows 7. The current stable release of the browser is 4.0.4 for both Mac OS X and Windows.

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  28. Question 17. What Are The Features Used By Web Browsers?

    Answer :

    Web browser provides text based user interfaces with the features supporting HTML that are rich in many file formats.

    It uses protocols that support the transaction of one form to another form using the web browsers.

    Web browsers use the components that support the e-mail or other features like IRC that helps in communication purpose with other platforms.

    Web browser allows the opening of multiple information resources simultaneously using different windows or tabs in same window.

    Web browser includes the security like pop-up blockers that prevent unwanted windows to pop up.

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  30. Question 18. What Is Your Definition Of The Term Cross-site Scripting? What Is The Potential Impact To Servers And Clients?

    Answer :

    The applicant needs to be able to articulate highly technological topics to a wide audience. The second question will help to verify that the applicant fully understands how XSS attacks work and the impact to client information.

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  32. Question 19. How Does A Web Browser Function?

    Answer :

    Web browser uses a protocol that is named as HTTP protocol and it is also known as HyerText Transport protocol.

    It sends the request of the text document encoded to the web server like Apache or IIS and then receives the response from the server and passes it on.

    The text document consists of the special markup code written in HTML also known as HyperText Markup language and it is used for most of the websites.

    HTML is being interpreted by the web browser and renders according to the functionality written for the interpretation.

    Web browser reads the content written in any language and sends the response in HTML format to the client side.

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  34. Question 20. Explain About Opera (web Browser)?

    Answer :

    Opera is a web browser and Internet suite developed by the Opera Software company. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC clients, downloading files via BitTorrent, and reading Web feeds. Opera is offered free of charge for personal computers and mobile phones.

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  36. Question 21. What Are The Users Interfaces Elements Present In Web Browsers?

    Answer :

    User interface is one of the major issues that involve the design of the front end of the browser.

    The user interface consists of some elements that are used in the web browser:

    Buttons that can be used, to, go, back and forward to, move to the previous or next resources.

    Button to, refresh and reload the content that is currently being visited or seen as this helps in displaying of the content in a better way.

    Cancel or Stop button is used to deny the loading of the resources by the web browser.

    Address or search bar is used to display the input of the URI and then using the search terms for the search engine compatibility.

  37. Question 22. Which Is The Fastest Web Browser?

    Answer :

    Microsoft Internet Explorer usually has the fastest startup time on Microsoft Windows machines, although this is mostly because the real “price” of starting it up is paid during the booting of your Microsoft Windows system,Opera is the fastest browser in terms of placing minimal demands on an older computer. Firefox is a very fast descendant of Mozilla, well-tuned for real-world browsing experiences, with an interface that speeds up the way you get things done in a web browser by offering features like tabbed browsing and a more elegant “find” feature — another relevant kind of speed

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  39. Question 23. What Is The Support Being Provided To Web Browser?

    Answer :

    • Web browser supports the HTML version that is used to create the website in a very simple manner without using the complex tools.
    • Web browser supports rapid development of the websites and tools that can be used for the creation of it.
    • It provides a way to develop the non-standard dialects of HTML that provides the interoperability support. 
    • Web browser provides standard libraries through which the support can be given to make the standard based HTML pages. 
    • It provides the support for other languages like JavaScript, HTML or XHTML that can be rendered by the web browsers.
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  41. Question 24. What Are The Privacy And Security Features Being Provided By Web Browsers?

    Answer :

    • Web browser supports HTTP secure method that allows more security for the sites that are involved in day to day basis transaction. 
    • Security offers quick and easy way to remove the unwanted material or the things that are stored without permission like cache, cookies and history. 
    • Security is being provided by the use of blockers that blocks unwanted access to the websites from the outside. 
    • Web browser uses other features like disabling of JavaScript and pop up blockers to block any unwanted scripts or messages to run on the system.
    • Web browser also uses the security concerns in regard of blocking the access to the secure sites that provides money transfer facilities, etc.
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  43. Question 25. What Are The Reasons For Slow Loading Of The Web Page?

    Answer :

    1. The web pages that are loading slowly might be using heavy scripts or might be getting loaded on an overloaded server. 
    2. If the content like flash is used then the web page performs really slowly in comparison to the normal pages that get created. 
    3. If the caching is inactive on the web browsers and the same web page is getting loaded again and again then the performance get degraded.
    4. Web pages load slowly due to the content on that page as if it is text it loads faster then the site that is made up of large photographs. 
    5. It takes longer time for a picture to get rendered and the transmission time also remains higher then the text.
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  45. Question 26. What Are The Configurations That Can Be Used With The Web Pages?

    Answer :

    • To check the loading of the web pages slowly the connection need to be checked as the pages load slowly due to connection as well. 
    • Web browser uses high bandwidth when it comes to pages that uses high configuration with lots of content.
    • The speed needs to be high to load the content of the web page with the services provided with the web browsers. 
    • The connection depends on the distance of the telephone line to the company’s office as there are lots of loses that takes places in between. 
    • ISP needs to have the details of the speed that is being given to the user so that the speed can be increased if it is coming less.
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  47. Question 27. What Are The Limitations That Can Be Put To Decrease The Time Of Loading The Web Page?

    Answer :

    1. The websites can have reduced time by reducing the loading of images, flash and other high volume content. 
    2. Web browser can use caches to maintain the website and use it to store the website and open it whenever it is required. 
    3. By choosing the right formats and avoiding video and audio in the websites the web pages can be loaded much faster. 
    4. Provision to provide caching by, the ISP to load the website faster like AOL that has improved loading speeds. 
    5. Decrease of content from the websites can reduce the time taken for the websites to load and work.
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  49. Question 28. What Is The Procedure To Configure The Web Browser To Accept Or Reject Cookies?

    Answer :

    • The web browser visits a website using the HTTP and then it keeps the track of the identity of the user visiting the web page.
    • The cookies of HTTP get stored with the personal information of the user and it doesn’t accept the information. 
    • Users accept the cookies as by rejecting all the cookies will load the web page in longer time and it will not be desired by the users. 
    • Even if the cookie is being rejected a session cookie is being kept for use as it is the provision given to the web browser to use it. 
    • The cookies gets stored temporary basis depending on the user of accepting or rejecting it and it basically saves the session so that the duration of the page load can be reduced.
  50. Question 29. What Are The Choices In Case Of Cookies Being Used On The Web Browser?

    Answer :

    • Cookies are very important part used in the Web browser to store the information of the user and load the page whenever it is called.
    • Cookie is used to remove the behavior of using the information using the options provided to enable or disable it in the web browser. 
    • There are three choices that is being defined by the cookie in the Web browsers and they are as follows:
    • Accepting all cookies: is one of the easiest methods to, load the content at once and make the accessing of the page faster. 
    • Privacy becomes and issue in these kinds of choices as all the information gets saved in a cookie file that resides in the disk of the user’s computer.
    • Rejecting all cookies: is not a good method but, it is good for privacy and security purposes and it is one of the best methods to be safe on the Internet. 
    • Accepting only “session cookies”: allows the user to keep the track of individual work that is provided in a single session and it gets more simplified by logging in with all the features.
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  52. Question 30. What Are The Ways To Change The Cookie Setting Using The Web Browser?

    Answer :

    The cookie settings include the enabling and disabling of the services that are used with the web browsers.

    The following steps are taken to set the cookies:

    • The TOOLS menu is being opened on web browser and the privacy tab is selected from where the privacy of individual user can be managed. 
    • Using the ADVANCED tab the options to set the cookies will be visible and it will allow the overriding of cookie. 
    • The cookies can be accepted by checking the first party cookies or the third party cookies. Out of these choices the first party cookies provide more security. 
    • Check the checkbox for “Always allow session cookies” so that the session cookies can be maintained.
  53. Question 31. What Is Hyperlink?

    Answer :

    In computing, a hyperlink (or link) is a reference to a document that the reader can directly follow, or that is followed automatically. The reference points to a whole document or to a specific element within a document. Hypertext is text with hyperlinks. Such text is usually viewed with a computer. A software system for viewing and creating hypertext is a hypertext system. To hyperlink (or simply to link) is to create a hyperlink. A user following hyperlinks is said to navigate or browse the hypertext.