+2] 7. Web Hosting - Solved Questions from textbook

                            Chapter 7. Web Hosting

(+2 Computer Application / Computer Science , 
Text book Questions and Answers)

1. The companies that provide web hosting services are called __________. 

Web hosts

2. List the factors that decide the type of web hosting. 

    a). Amount of storage space needed.
    b). The number of visitors expected to visit the website 
    c). The use of resources like database, programming support etc.. 

3. VPS is

 a. Virtual Premium Service

 b. Virtual Private Service 

c. Virtual Premium Server 

e. Virtual Private Server 

Ans e

4. What is co-location? 

   If the client is allowed to place their own purchased web server in the service providers facility, then it is called co-location.

5. What does WHOIS information contain? 

    The registration requires filling information for WHOIS database of domain names for ICANN. WHOIS information requires the name, address, telephone number and e-mail address of the registrant.This information can be made public or can be kept private according to the registrant's wish. After paying the annual registration fees online, the domain is purchased and is registered in our name.

6. Why is 'A record' important for a domain name?

    our domain name has to be connected to the IP address of the web server where the web pages are stored. This is done using 'A record' (Address record) of the domain. An 'A record' is used to store the IP address of a web server connected to a domain name. The 'A record' can be modified by logging into the control panel of the domain.

7. A supermarket in a city wishes to take its business online. It plans to accept orders for its products through a website and receive payments online. 

a. Which type of hosting is suitable for this website? 

b. Explain the reason for your choice

Ans a. Virtual Private Server (VPS) is suitable fot this website.

        b. Cost is less compared to dedicated server. Online payment requires secure transfer. By using VPS , we can set up our own security measures compared to shared hosting. 
  
8. How is responsive web design implemented?

  Responsive web design is the custom of building a website suitable to  work on every  device and   every screen size.  Responsive web design can be implemented using flexible grid layout, flexible images and media queries. Flexible grid layouts set the size of the entire web page to fit the display size of the device. Flexible images and videos set the image/video dimensions to the percentage of display size of the device. Media queries provide the ability to specify different styles for individual devices.

9. What is CMS? What are the features of CMS? Give Examples

     It is a web based software system which is capable of creating, administering and publishing web sites. It provide easy way to design and manage attractive web pages. The user can choose  templates available for downloads.   It is economical and easy way to develop a web sites.

 Some popular CMS software are    WordPress, Drupal,  Joomla etc.

10. What is the advantage of using SFTP protocol in FTP software?

       FTP sends username and password to the server as plain text which is unsecure. Therefore nowadays, SSH FTP (SFTP) protocol which encrypts and sends usernames, passwords and data to the web server is used in the FTP software. SFTP uses Secure Shell (SSH) protocol which provides facilities for secure file transfer.

11. Raju wishes to host a website for his family. What are the advantages that free web hosting companies provide?

     Free hosting provides web hosting services free of charge. The service provider displays advertisements in the websites hosted to meet the expenses. Some free web hosting sites provide the facility to upload the files of our website in their server, but may place certain restrictions on the files. The size of the files that can be uploaded may be limited (supports upto 5 MB only), audio/video files (mp3, mp4, etc.) may not be permitted and so on.

12. Explain the need for applying responsive web design while developing websites today.

    Today we browse web pages using various devices like desktops, laptops, tablets and mobile phones. All these devices have different screen sizes. Traditional web pages are designed to be displayed on the screens of devices like desktops and laptops. These web pages are difficult to view when it is accessed using tablets and mobile phones. The user may have to use the scroll bar to move from one part of the web page to another. In earlier days, a separate website was created for the purpose of viewing in mobile devices. These websites contained web pages whose size matched the screen size of these devices. But maintaining two websites for a single organisation created issues. It would be better if the web page was able to adjust itself to the screen size of the device. This type of web page designing is called responsive web design.

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+2] 7. Web Hosting - Previous Questions Chapter wise

                     PLUS TWO COMPUTER APPLICATION

        (+2 Computer Application / Computer Science , 
Previous Questions Chapter wise ..

Chapter  7. Web Hosting

1. Identify the odd one :

(a) Word Press

 (b) File Zilla

 (c) Joomla

 (d) Drupal   

Ans b     

 2. What type of hosting package is suitable for a multinational online shopping site? Mention any two advantages of the package.

3. What is the need of registering a domain name for a website ?Explain the  procedure of domain name registration.

Domain names are used to identify a web site on the internet.Most web hosting companies offer domain registeration facility.The domain name chosen must be unique.It can be done using the website www.whois.net which checks domain name with ICANN( Internet Corporation for Assigned Names and Numbers ) database.When a user inputs the domain name the web page will be displayed using DNS server.The domain name is connected with IP address of the web server using Address record(‘A’ record).The ‘A record’ can be modified by logging into the control panel of the domain.The A record is used to store IP address of web server connected to a domain name. WHOIS is a public database which helps to find out information about a specific domain name.WHOIS database contains name,addres,telephone number and e-mail address of who owns the domain(Registrant).

4. What is SFTP ?

Now a days SSH FTP(SFTP) protocol is used to send user name and password in an encrypted form.It uses SSH protocol.Once the client is authenticated the client canupload files.Some of the popular FTP clients are File Zilla,Cute FTP,Smart FTP ..etc.                                              

 5. ……… provide an easy way to design and manage attractive websites.

a), Free Hosting 

b). CMS

 c). WHOIS

  d). FTP

Ans CMS

6. Compare shared hosting and VPS

Shared hosting:-It is the common type of web hostingIt is called shared because many websites reside on one web server connected to the Internet.They share resources(RAM,CPU etc).Shared hosting is not suitable for wesites with high bandwidth,large storage space etc.It is not suitable for small sites with less traffic.Shared servers are cheaper and easy to use.Updates and security issues are handled by the hosting company.The main dis-advantage of shared hosting is that other sites will slow down if any one of the site has heavy traffic as bandwidth is shared by many sites.    

Virtual Private Server:-A virtual Private Server(VPS) is a physical server that is virtually partitioned into several servers.Each VPS works like a dedicated server and has its own operating system,software etc.Each VPS works as an independent server.The user of VPS can install and configure any type of softwares.VPS is also called virtual dedicated server (VDS).This type of hosting is suitable for websites that requires more features at less expense.Some popular virtualization softwares are Vmware,Free VPS,Virtualbox,Microsoft Hyper-V etc.

7. What type of hosting will you use to support a government website ?Give its advantages .

 Dedicated hosting use to support a goverment website.The advantage of dedicated web hosting is that servers are hosted in data center which has internet connection,uninterrupted power supply etc.

8. Explain three types of web hosting

  a)Shared hosting:-It is the common type of web hostingIt is called shared because many websites reside on one web server connected to the Internet.They share resources(RAM,CPU etc).Shared hosting is not suitable for wesites with high bandwidth,large storage space etc.It is not suitable for small sites with less traffic.Shared servers are cheaper and easy to use.Updates and security issues are handled by the hosting company.The main dis-advantage of shared hosting is that other sites will slow down if any one of the site has heavy traffic as bandwidth is shared by many sites.

 b)Dedicated hosting:-In dedicated hosting a web site uses(lease) an entire server and its resources.The web server is not shared with other servers.It is mostly used by websites that receive a large volume of traffic.The web sites of large organizations,government  departments etc use dedicated web hosting.The advantage of dedicated web hosting is that servers are hosted in data center which has internet connection,uninterrupted power supply etc.

c)Virtual Private Server:-A virtual Private Server(VPS) is a physical server that is virtually partitioned into several servers.Each VPS works like a dedicated server and has its own operating system,software etc.Each VPS works as an independent server.The user of VPS can install and configure any type of softwares.VPS is also called virtual dedicated server (VDS).This type of hosting is suitable for websites that requires more features at less expense.Some popular virtualization softwares are Vmware,Free VPS,Virtualbox,Microsoft Hyper-V etc.

9.Define web hosting

       The process of storing web pages on a server is called web hosting.The companies that provide web hosting services are called web hosts.Hosting allows individuals and organizations to make their website accessible via the World Wide Web.They own and manage web servers.Servers offer uninterrupted connectivity,software packages for databases etc..

10. Write a short note on  free hosting

      Free hosting provides web hosting free of charge.They often displays advertisements in websites to meet the expenses.They often allows only limited support.

Disadvantages of free web hosting are

 1) The free hosting plans do not provide the separate domain name. Instead, they only offer the sub domain upon their own domain name.
 2) There is no customer support.
 3) Limited Bandwidth and Speed HSSLIVE

11. Write the type of  web hosting that is most suitable

    a)  For hosting  a school website with database

    b)  For hosting a website for a firm

     c) For creating a blog to share pictures and posts

      d) For creating a low cost personal websites with unique domain name

Ans c

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