Technology Questions

Q:

Explain how to create random passwords.

Answer

Generating random passwords in PHP can be done in multiple ways depending on how much security the application demands:-


Md5 function can be passed one parameter as uniqid() function which in turn generates a random number. Passing the parameter as TRUE in uniqid() adds additional uniqueness.


<?php
   $passwd = md5(uniqid(rand(), true));
   Echo $passwd;
?>

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Subject: PHP

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Q:

What is dynamic binding?

Answer


Dynamic binding (also known as late binding) means that the code associated with a given procedure call is not known until the time of the call at run time.It is associated with polymorphism and inheritance.

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Subject: C++

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Q:

What is Data warehousing?

Answer

Data warehousing is a process of repository of electronic data of an organization. For the purpose of reporting and analysis, data warehousing is used. The essence concept of data warehousing is to provide data flow of architectural model from operational system to decision support environments. 

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Q:

Describe the .NET base class library

Answer

.NET’s Base class library exists in order to encapsulate huge number of common functions and makes them easily accessible to the developer. .NET base class library provides the functionality like ADO.NET, XML, Threading, IO, Security, Diagnostics, Resources, Globalization, collections etc. It serves as the main point of interaction between developer and runtime.

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Subject: .NET

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Q:

Define cursor attributes: %FOUND, %NOTFOUND, %ROWCOUNT, and %ISOPEN

Answer

- %FOUND


 This is a Boolean variable which evaluates to TRUE if the last row is successfully fetched.


 


- %NOTFOUND


 This is a Boolean variable which evaluates to TRUE if the last row is not successfully fetched. This means there are no more rows to fetch.


 


- %ROWCOUNT


 Returns the number of rows fetched by the cursor.


 


- %ISOPEN


If the cursor is open, it evaluates to TRUE else FALSE.

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Subject: Oracle

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Q:

What is the difference between standard modules and class modules ?

Answer

Standard modules contain variables, procedures and functions that are accessible anywhere within the project. A class module contains properties and events, and is made accessible only by objects that were created as an instance of that class.

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Subject: Microsoft Interview
Job Role: Analyst , IT Trainer

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Q:

What are the differences between static ip addressing and dynamic ip addressing?

Answer

With static IP addressing, a computer (or other device) is configured to always use the same IP address. With dynamic addressing, the IP address can change periodically and is managed by a centralized network service

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Q:

How do you define a traceability matrix?

Answer

Traceability matrix is a cross matrix for recording the requirements through each stage of the requirements gathering process. This matrix should also take into account any changes in the scope during the life of the project. 


     At the end of the project this matrix should show each function built into a system, its source and the reason that any stated requirements may not have been delivered. 

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