Interview Questions

Q:

Which among the following validators checks if entered data matches a specific format

A) Compare validator B) RegularExpressionValidator
C) CustomValidator D) None
 
Answer & Explanation Answer: B) RegularExpressionValidator

Explanation:

RegularExpressionValidator checks if entered data matches a specific format

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Filed Under: .NET
Job Role: Software Architect

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Q:

What is retropay?

Answer

It is a process that recaculates the amount to pay an employess in the current period to account for retrospective changes that occurred in previous payroll periods.

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1 2750
Q:

What is WDM?

Answer

WDM is conceptually the same as FDM, except that the multiplexing and demultiplexing  involve light signals transmitted through fiber optics channel.

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Q:

Define what is a Fact, Dimension and Measure ?

Answer

Fact is key performance indicator to analyze the business.From the additive values, which are used to analyse the business by using report generation. Dimension is used to analyze the fact, are the non-additive ( text format) values, Which are used to drill down reports.Without dimension there is no meaning for fact. Measure is the quantity of data we create to process.

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Q:

How does thread synchronization occurs inside a monitor?

Answer

A Monitor defines a lock and condition variables for managing concurrent access to shared data. The monitor uses the lock to ensure that only a single thread inactive in the monitor code at any time.


A monitor allows only one thread to lock an object at once.

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Subject: Java

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Q:

Describe the foreign key columns in fact table and dimension table.

Answer

The primary keys of entity tables are the foreign keys of dimension tables.


The Primary keys of fact dimensional table are the foreign keys of fact tablels.

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Q:

Which programming language was removed from the Visual Studio family when VB.net was released?

Answer

Visual Foxpro was part of Visual Studio 6.0.


It was excluded in the .Net version and was released as an independent programming language.

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Q:

What command-line tool would help you discover for which port numbers your computer is listening?

Answer

netstat -n  (on Dos prompt)

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