Interview Questions

Session storage is same like local storage but the data is valid for a session. In simple words the data is deleted as soon as you close the browser.

To create a session storage you need to use “sessionStorage.variablename” . In the below code we have a created a variable called as “clickcount”.

If you refresh the browser the count increases. But if you close the browser and start again the “clickcount” variable starts from zero.

if(sessionStorage.clickcount)

{

sessionStorage.clickcount=Number(sessionStorage.clickcount)+1;

}

else

{

sessionStorage.clickcount = 0;

} 

- Cloud architecture uses simple APIs to provide easily accessible services to the user through the internet medium. 

- It provides scale on demand feature to increase the industrial strength. 

- It provides the transparency between the machines so that users don’t have to worry about their data. Users can just perform the functionality without even knowing the complex logics implemented in cloud architecture.

- It provides highest optimization and utilization in the cloud platform

There are two major platforms that providing hosting and servers to host on. The differences between them are as follows:

- Unix are more efficient in performing offsite and onsite, whereas windows doesn’t provide very good efficiency to work with. 

- Unix provide lower hosting cost for the website using the high bandwidth, whereas windows take more resources and have the cost higher for the storage. 

- Unix is better for the websites that are static and includes HTML and graphics, whereas Windows is used for heavy websites and having more requirements. 

- Unix supports the scripting languages like PHP and databases like MySQL and other related categories, whereas Windows supports IIS, coldfusion and big applications that take more space.

Benefits for organizations :

The BlackBerry Connect technology allows the organizations for standardizing BlackBerry platform and leverages their existing BlackBerry solution investments. The employees’ productivity and performance can also be boosted by providing them the mobile access for their emails and calendars.

Benefits for IT :

IT departments are provided with a solution that is easy to utilize, manage and deploy by using BlackBerry Connect technology. Strict requirements for security and manageability will be satisfied and several devices can be connected to the BlackBerry Platform. 

Interface data is static data why bcoz interface supports multiple inheritance.

if inteface data is non-static then there is chance for replication of the data (bcoz of replication of data ambiguity problem occurs )

- Files can be transferred to the server by using the FTP protocol also known as File Transfer Protocol. 

- FTP is used as a standard network protocol that transfers the file from one computer to another computer using the TCP protocol network.

- This uploads the pages and other documents that are stored in private disk to the public web hosting server. 

- FTP is used on a client server architecture that allows different controls and data connections between the client and the server. 

- FTP uses clear-text sign in protocol that allows the client to use the user name and password for authentication purpose.

Using global variables in Javascript is evil and a bad practice. That being said, namespacing is used to bundle up all your functionality using a unique name. In JavaScript, a namespace is really just an object that you’ve attached all further methods, properties and objects. It promotes modularity and code reuse in the application.

The common tools that can be used by a business analyst are MS Visio, MS word, MS Excel, Power point, Quality center/test director MS Project. There may be tools that are client specific also, but these will be supplied the client.