Web Technology Questions

There are different types of hosting provided to upload and share their files using the web or Internet. 

- Free web hosting service: It provides limited services and offers it to companies in that it offers advertisements and other services with limitations. 

- Shared web hosting service: where a server shares many websites all placed at one place having the range from few to hundred. 

* The domains are most probably remains shared with a common pool of resources that is based on the server like RAM and CPU.

- Reseller web hosting: This is the web hosting that allows clients to provide web hosting to others. This includes individual domains that are listed using the affiliated with a reseller. 

- Virtual Dedicated Server: This is also known as also known as a Virtual Private Server (VPS). This provided the divided server resources in the virtual servers and the method that doesn’t relate directly to the hardware. 

- Home server: This is a single machine server that can be thought as a personal server that is used to host one or more web sites using the connection.

NaN stands for ‘not-a-number’. The function isNaN determines the argument or the value is a NaN. The function returns true if the argument is not a number, otherwise returns false.

var checkedP = window.document.getElementById("myCheckBox").checked;

Web server handles client side and server side validations and helps to deliver web content that can be accessed through the Internet protocols.

Examples:

Microsoft IIS (Internet Information Service)

Apache web server from Apache

Java web server

Pramathi web server etc...

Canvas is a rectangular area on a HTML page, specified with the tag <canvas>. 

With HTML5, it is possible for the web pages to store the data locally in the user's browser. This web storage is much faster and secured than the cookies. Also, a larger amount of data can be stored without causing any adverse effect to the performance of the website. 

The data here is not included with every server request. It is used ONLY when it is asked for. It is only that particular web page that can access the data stored by itself.

Intranet  (local Network)

Internet  (wide area Network)

Extranet (Private network over internet)

- The principle of least privilege is used to provide more security to the computer programs. 

- The principle allows the designing of the program such that any unauthorized access is not allowed and only the person who owns the program will be able to access it. 

- The services provided should be able to access only those products that need the services. 

- Web servers that are involved in responding the queries of the web users provide only accessing to the HTML files that will serve the purpose of the programs. 

- Computer programs should be made such that it provides secure features of logging into the program with proper authentication.