Web Technology Questions

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

- Name based is the virtual hosting that allows the virtual hosts to serve multiple hostnames that runs on single machine and having only one IP address.

- This is used when the web browser is used to request the resource from the server then the server respond using the hostname. 

- Web server uses HTTP protocol to respond to the requested hostname as the part of the request. 

- The server contains all the information of the website and the user that requests for the resources given. 

- Name based web hosting includes the resources and services that need to be given at the time of client’s request.

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. 

Basically website is an information provider, It provides information globally using internet protocols.

Parsing the XML document is the only way to validate the XML file. Validation is done by either DOM parser or the SAX parser. 

The major benefits of Ecommerce are:

- Secure       : More secure than a cheque.

- Fast           : The transactions take not more than a few seconds

- Always on  : The purchases can be made 24/7

- Convenient:  Ease of purchasing

-Reduced cost price : Reduction of Marketing and Advertising Costs

Intranet  (local Network)

Internet  (wide area Network)

Extranet (Private network over internet)

Security features are very essential in the system as it provides an overall security of the system by applying the patches and the services that keeps the unwanted access away. 

The security features included are as follows:

- Use of algorithms in relation to, the security and the system to, solve the problem of the security. 

- Use of SSL or any encryption method to, protect the system from intrusion or any other attack. 

- Use of SSL in the SimpleWebServer that doesn’t provides the protection against the DoS attack and doesn’t allow the accessing to, be done using the /etc/shadow.