Interview Questions

Q:

What is a REPL in context of Node.js?

Answer

Read - Reads users input, parse the input into JavaScript data-structure and stores in memory


Eval - Evaluates the data structure


Print - Prints the result


Loop - Loops the above command until user press ctrl-c twice

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Subject: Web Technology
Job Role: Software Architect

0 2885
Q:

What do you mean by stack unwinding?

Answer

Stack unwinding is a process of calling all destructors for all automatic objects constructed at run time when an exception is thrown. Destructors are called between the places where the exception was thrown and where it is caught.

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Subject: C++

0 2882
Q:

Explain 5-4-3 rule

Answer

In a Ethernet network, between any two points on the network, there can be no more than five network segments or four repeaters, and of those five segments only three of segments can be populated.

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Q:

Where SQL server user names and passwords are stored in SQL server?

Answer

They get stored in System Catalog Views sys.server_principals and sys.sql_logins.

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Subject: SQL

0 2879
Q:

What is Catalog Manager? How to move reports and dashboards using Catalog Manager?

Answer

Catalog Manager supports command line options.


 


To move reports and dashboards, we need to use some general syntax using catalog manager.


 


e.g:


catalogmanager -online/offline


-cmd {report | replace | export}


{command line options}


In extra, by keeping it online, This will automatically open up the catalog 


manager without having the need to enter the connection details every time.

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Q:

What is purpose of VSAM?

Answer

VSAM acts as an interface between Application program & Operating System.

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0 2874
Q:

Which namespaces in .NET are used for XML?

Answer

The System.xml.dll is the real physical file, which contains the XML implementation. Some of the other namespaces that allow .NET to use XML are as follows:


    


      =>  System.Xml

      =>  System.Xml.Schema

      =>  System.Xml.XPath

      => System.Xml.Xsl

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Subject: .NET

1 2873
Q:

Have you ever worked in a call center before? If so, how long did you work there?

Answer

The purpose of this question is to see if you already have some experience of working at a call center. If so, tell the interviewer about your experiences and what you learnt there. If you do not have a work experience, don’t panic, stay calm and say “I don’t have a first hand experience of working at a call center but this is what I know about them and I look forward to work for one.” 

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Subject: Call Center

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