Tech Mahindra Interview Questions, Process, and Tips

IVR application can be deployed in servers using various deployment methods.

• Choose a deployment method based on the application requirements and server environment.

• Common deployment methods include manual deployment, automated deployment, and containerization.

• Ensure that all necessary dependencies and configurations are included in the deployment package.

• Test the application thoroughly after deployment to ensure it is

The first line of Perl typically starts with a shebang and specifies the path to the Perl interpreter.

• The shebang line is used to tell the system which interpreter to use to run the script

• The shebang line starts with #! followed by the path to the Perl interpreter

• Example: #!/usr/bin/perl

File operation and syntax

• File operations include opening, reading, writing, and closing files

• Syntax for opening a file: file = open('filename', mode)

• Syntax for reading a file: file.read()

• Syntax for writing to a file: file.write('content')

• Syntax for closing a file: file.close()

DBI is the most commonly used database module in Perl.

• DBI is a database-independent interface for Perl

• It provides a consistent API for accessing different databases

• DBD modules provide drivers for specific databases, such as DBD::mysql for MySQL

• DBI supports transactions, prepared statements, and more

Pop and push operations are used to add or remove elements from an array in Perl.

• The push operation adds one or more elements to the end of an array.

• Example: push(@array, 'element1', 'element2');

• The pop operation removes and returns the last element of an array.

• Example: my $last_element = pop(@array);