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 Technology Questions

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Q:

What is SAP?

Answer

SAP is the name of the company founded in 1972 under the German name (Systems, Applications, and Products in Data Processing) is the leading ERP (Enterprise Resource Planning) software package.

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Subject: SAP

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Q:

What is BDC programming?

Answer

Transferring of large/external/legacy data into SAP system using Batch Input programming. Batch input is a automatic procedure referred to as BDC(Batch Data Communications). The central component of the transfer is a queue file which receives the data vie a batch input programs and groups associated data into “sessions”.

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Subject: SAP

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Q:

What is COM?

Answer

COM is short for Component Object Model. It is a Microsoft technology that allows developers to make use of reusable components and services provided by Microsoft. COM technology includes COM+, DCOM and ActiveX.

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Subject: Microsoft Interview

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Q:

What is the use of Media Types in CSS?

Answer

Media types in CSS define the media like audio and video to be used in your HTML document to represent the properties in a better way. The font property can be used for media types as it can be used for print media or screen media. Document requires a defined media to represent the screen that can be read on the paper. It is used as:@media 


<html>


<head>


<style>


@media screen


{


p.test {font-family:verdana,sans-serif;font-size:14px;}


}


@media print


{


p.test {font-family:times,serif;font-size:10px;}


}


</style>


</head>


<body>


----------Your code here----------


</body>


</html>

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Subject: Web Technology

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Q:

What are the principles in providing the security for the computer programs?

Answer

- 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.

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Subject: Web Technology

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Q:

What is the difference between array and ArrayList ?

Answer

Array is collection of same data type. Array size is fixed, It cannot be expanded.


 


But ArrayList is a growable collection of objects.ArrayList is a part of Collections Framework and can work with only objects.

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Subject: Java

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Q:

How to assign address to the reference?

Answer

ClassName refName = new ClassName();


or


ClassName refName;


refName = new ClassName();

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Subject: Java

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Q:

How do you parse/validate the XML document?

Answer

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

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Subject: Web Technology

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