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Millions of websites are available over Internet so that, our school website must be registered with a suitable name. Domain Name registration is used to identify a website over Internet. A domain name must be unique(i.e. no two website with same name is available). So we have to check the availability of domain name before we register it, for this www.whois.net website will help. If the domain name entered is available then we can register it by paying the Annual registration fees through online.

Consider a Post Oce, it has two addresses one string address (Irinjalakuda) and one numeric(pin) code (680121). Just like this the website has also two addresses a string address for example www.agker.cag.gov.in and a numeric address (http:/ /210.212.239.70/). We are following string address, hence this domain name has to be connected to the corresponding IP address of the web server. This is done by using ‘A record’(Address record) of the domain. ‘A record’ is used to store the IP address and the corresponding domain name.

VMware / Virtualbox / Free VPS / Usermode Linux / Microsoft Hyper-V

(a) It depends upon the storage space needed for hosting, the number of visitors expected to visit, etc.

(b) Responsive web design means the home page of the website is displayed differently according to the screen size of the browsers window (mobile phone, palmtop, tablet, laptop, and desktop) we used.

In dedicated hosting, if the client is allowed to place his own purchased web server in the service provider’s facility, then it is called Co-location.

1. The home page is displayed differently according to the screen size of the browser window (different screen sized devices mobile phone, palmtop, tablet, laptop, and desktop) we used. The website is designed dynamically (flexibly) that suit the screen size of different device introduced by Ethan Marcotte.

Before this, companies have to design different websites for different screen sized devices. By responsive web design, companies have to design only one website that suitably displayed according to the screen size of the devices. It is implemented by using flexible grid layout, images and media queries.

• Flexible grid layouts: It helps to set the size of the web page to t the screen size of the device. 
• Flexible image and video: It helps to set the image or video dimension to t the screen size of the device. 
• Media queries: There is an option (settings) to select the size of the web page to match our device, this can be done by using media queries inside the CSS file.

A well known Malayalam daily Malaysia Manorama launched their responsive website.

2. Instead of using desktops or laptops many people nowadays visit websites using tablets and mobile phones. Portability is the main reason for this.

Types of web hosting:

Various types of web hosting services are available. We can choose the web hosting services according to our needs depends upon the storage space needed for hosting, the number of visitors expected to visit, etc. 

1. Shared Hosting: 

This type of hosting sharing resources, like memory, disk space, and CPU hence the name shared. Several websites share the same server. This is suitable for small websites that have less traffic and it is not suitable for large websites that have large bandwidth, large storage space and have large volume of traffic.

Eg: Shared hosting is very similar to living in an Apartment(Villas) complex. All residents are in the same location and must share the available resources(Car parking area, Swimming pool, Gymnasium, playground, etc) with everyone.

2. Dedicated Hosting: 

A web server and its resources are exclusively for one website that have large volume of traffic means large volume of requests by the visitors. Some Govt, departments or large organizations require uninterrupted services for that round the clock power supply is needed. It is too expensive but it is more reliable and provides good service to the public.

Eg: It is similar to living in an Our own house. All the resources in your house is only for you. No one else’s account resides on the computer and would not be capable, of tapping into your resources.

3. Virtual Private Server (VPS): 

A VPS is a virtual machine sold as a service by an Internet hosting Service. A VPS runs its own copy of an OS (Operating System) and customers have super level access to that OS instance, so they can install almost any s/what runs on that OS. This type is suitable for websites that require more features than shared hosting but less features than dedicated hosting. 

Eg: It is similar to owning a Condo

The service of providing storage space in a web server to make a website available on Internet is called web hosting

1. The home page is displayed differently according to the screen size of the browser window (different screen sized devices mobile phone, palm top, tablet, laptop and desktop) we used. The website is designed dynamically (flexibly) that suit the screen size of different device introduced by Ethan Marcotte.

Before this, companies have to design different websites for different screen sized devices. By responsive web design, companies have to design only one website that suitably displayed according to the screen size of the devices.

2. It is implemented by using flexible grid layout, images, and media queries:

• Flexible grid layouts: It helps to set the size of the web page to t the screen size  of the  device.
• Flexible image and video: It helps to set the image or video dimension to t the screen size of the device.
• Media queries: There is an option (settings) to select the size of the web page to match our device, this can be done by using media queries inside the CSS le.

 A well known Malayalam daily Malayala Manorama launched their responsive website.

The companies that provide web hosting services are called Web Hosts

(d) It offers freedom for the clients to choose the hardware and the software.

Correct answer is (d) only

Web hosting is the service of providing storage space in a Webserver.

OR

Storing the web pages of a website in a server is popularly known as Web hosting

Web hosting is the service of providing storage space in a Webserver.

The service of providing storage space in a web server to make a website available on Internet is called web hosting.

The companies that provide web hosting services are called Web Hosts.

Virtual Private Server (VPS): A VPS is a virtual machine sold as a service by an Internet hosting Service. A VPS runs its own copy of an OS(Operating System) and customers have super level access to that OS instance, so they can install almost any s/ w that runs on that OS.

This type is suitable for websites that require more features than shared hosting but less features than dedicated hosting.

Eg: It is similar to owning a Condo

1. Dedicated Hosting 

2. A web server and its resources are exclusively for one website that have large volume of traffic means large volume of requests by the visitors. Some Govt, departments or large organizations require uninterrupted services for that round the clock power supply is needed. It is too expensive but it is more reliable and provides good service to the public. 

Eg: It is similar to living in an Our own house. All the resources in your house is only for you. No one else’s account resides on the computer and would not be capable of tapping into your resources

FTP(File Transfer Protocol) client software: When a client requests a website by entering website address. Then FTP client software helps to establish a connection between client computer and remote server computer. Unauthorised access is denied by using username and password hence secure our website les for that SSH(Secure Shell) FTP simply SFTP is used. 

Instead of http://, it uses ftp://. By using FTP client s/w we can transfer(upload) the les from our computer to the web server by using the ‘drag and drop’ method. The popular FTP client software are FileZilla, CuteFTP, SmartFTP, etc.

CMS means Content Management System. Do you heard about Data Base Management System (DBMS)? DBMS is a software(collection of programs) used to create, alter, modify, delete and retrieve records of a Data Base. Similarly, CMS is a collection of programs that is used to create, modify, update and publish website contents.

CMS can be downloaded freely and is useful to design and manage attractive and interactive websites with the help of templates that are available in CMS. WordPress, Joomla, etc. are examples of CMS.

The name implies it is free of cost service and the expense is meet by the advertisements. Some service providers allow limited facilities such as limited storage space, do not allow multimedia(audio and video) les. 

A paid service website’s address is as follows: 

Eg: www.bvmhsskalparamba.com 

Usually two types of free web hosting services as follows: 

1. As a directory service: Service provider’s website address/ our website address. 

eg: www.facebook.com / bvm hss kalparambu.

2. As a Sub domain: 

Our website address.service providers website address. 

eg: www.bvmhsskalparamba.facebook.com Earlier web hosting services are expensive but nowadays it is cheaper hence reduced the need for free web hosting.

The organization that maintains the WHOIS data-base of domain names is ICANN.

FTP (File Transfer Protocol) client software: When a client requests a website by entering website address. Then FTP client software helps to establish a connection between client computer and remote server computer. Unauthorised access is denied by using user name and password hence secure our website les for that SSH(Secure Shell) FTP simply SFTP is used. 

Instead of http://, it uses ftp://. By using FTP client s/w we can transfer(upload) the les from our computer to the web server by using the ‘drag and drop’ method. The popular FTP client software are FileZilla, CuteFTP, SmartFTP, etc.

1. In free web hosting service, the expense is meet by the advertisements. Some service providers allow limited facilities such as limited storage space, do not allow multimedia (audio and video) les. 

2. Usually, two types of free web hosting services as follows.

• As a directory service: service provider’s website address/ our website address 

eg: www.facebook.com/bvmhsskalparamb a 

• As a subdomain: Our website address. service providers website address 

eg: www.bvmhsskalparamba.facebook.co m

Millions of websites are available over Internet so that our website must be registered with a suitable name. Domain Name registration is used to identify a website over Internet. A domain name must be unique(i.e. no two websites with same name is available). 

So you have to check the availability of domain name before you register it, for this WWW.Whois.net website will help. If the domain name entered is available then we can register it by paying the Annual registration fees online. Consider a Post Oce, it has two addresses one string address (Irinjalakuda) and one numeric(pin) code (680121). 

Just like this the website has also two addresses a string address, for example, www.agker.cag.gov.in and a numeric address (http:/ /210.212.239.70/). We are following string address, hence this domain name has to be connected to the corresponding IP address of the webserver. This is done by using ‘A record’(Address record) of the domain. ‘A record’ is used to store the IP address and the corresponding domain name.

The organization that maintains the WHOIS database of domain names is ICANN.

WHOIS 

Name, address, telephone number and email address of the registrant

CMS means Content Management System. Do you heard about Data Base Management System (DBMS). DBMS is a software (collection of programs) used to create, alter, modify, delete and retrieve records of a Data Base. Similarly CMS is a collection of programs that is used to create, modify, update and publish website contents.

CMS can be downloaded freely and is useful to design and manage attractive and interactive websites with the help of templates that are available in CMS. WordPress, Joomla, etc. are the examples of CMS.

Unauthorized access is denied by using username and password hence secure our website les, for this SSH (Secure Shell) FTP simply SFTP is used. It encrypts and sends usernames, passwords, and data to the webserver.

In free web hosting service, the expense is meet by the advertisements. Some service providers allow limited facilities such as limited storage space, do not allow multimedia (audio and video) les.

Free hosting provides web hosting services free of change.

The companies that provides web hosting services are called Web hosts.

(a) Mozilla Firefox, it is a web browser, the others are popular FTP client software

FTP stands for File Transfer protocol.

Ethan Marcotte.

(c) DNS others are types of web hosting.

In dedicated hosting, if the client is allowed to place his own purchased web server in the service provider’s facility, then it is called Co-location.

The companies that provide web hosting services are called Web hosts.

Correct answer is (a) Shared hosting

Virtual Private Server

VPS stands for Virtual Private Server.

(d) DNS means Domain Name System. The others are types of web hosting.

Correct answer is (a) CMS

Responsive web design method

Responsive web design method

CMS stands  for Content Management System.

Content Management System

Free hosting hosting provides web hosting services free of charge.

 www.bvmhsskalparamba.facebook.com

www.facebook.com/bvmhsSkalparamba