Interview Questions

Q:

Explain When is Marshalling not necessary?

Answer

Marshalling is the process of packaging and sending interface method parameters across thread, process or machine boundaries.


It is not necessary when the client and the server are on the same computer.

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Q:

How many validation controls are available in ASP.NET AJAX 4.0?

Answer

The following validation controls are available in ASP.NET AJAX 4.0:




        => FilteredTextBoxExtender - Enables you to apply filtering to a text box.

        => MaskedEditExtender and MaskedEditValidator - Restricts a user to enter only a certain pattern of characters in the TextBox by applying a mask to the input.

        => ValidatorCalloutExtender - Attaches to the ASP.NET validators so that the error messages are not displayed as a simple text but as a balloon-style ToolTip.

        => NoBot - Prevents the spam/bot from filling the input forms automatically and uses the Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA), which is a type of challenge-response test to ensure that the response is not generated by the computer.

        => PasswordStrengthExtender - Measures the strength of the password text entered within the text box by validating with the different strength specified parameters

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Subject: .NET

0 3873
Q:

When will you define a method as static?

Answer When a method needs to be accessed even before the creation of the object of the class then we should declare the method as static.
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Subject: Java

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Q:

What are the advantages of using friend classes?

Answer

- Friend classes are useful when a class wants to hide features from users which are needed only by another, tightly coupled class. 


- Implementation details can be kept safe by providing friend status to a tightly cohesive class.

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Subject: C++

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Q:

Write SQL Query to find second highest salary of Employee.

Answer

There are many ways to find second highest salary of Employee in SQL, you can either use SQL Join or Subquery to solve this problem. Here is SQL query using Subquery :


SELECT MAX(Salary) from Employee WHERE Salary NOT IN (select MAX(Salary) FROM Employee );

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Subject: SQL

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Q:

Who is responsible for maintaining the Accounts receivable in an organization?

Answer

Accountants... in big organization there will be a department to maintain AR department.

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1 3855
Q:

Selecting and managing marketing channels :

On what criteria can channel members be evaluated for their proper selection?

Answer

The SCPCA method can be used to evaluate channel members.


a) Sales (S): How much sales each channel member can give within a cetain time frame


b) Cost(C): How much cost would be incurred for each channel?


c) Profitability(P): Which channel can give better profitability to the company?


d) Control(C): Whether company can have better control over its channel members or not.


e) Adaptability (A): Whether the channel alternatives are flexible enough to any changes or not. The channel meeting the objectives of the company is selected

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Q:

What is the difference between characters 23 and x23?

Answer The first one is octal 23, the second is hex 23
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Subject: PHP

0 3850