Tech Mahindra Senior Software Engineer Interview Questions, Process, and Tips

Q1. What is list comprehension and example
Ans. 
List comprehension is a concise way to create lists in Python by applying an expression to each item in a sequence.
• Syntax: [expression for item in sequence]

• Example: squares = [x**2 for x in range(10)]

• Can include conditional statements: even_numbers = [x for x in range(10) if x % 2 == 0]
Answered by AI
Add your answer
Q2. Explain about server-client working model and how server monitoring client in active status
Ans. 
Server-client model involves server providing services to clients, monitoring client status to ensure active connection.
• Server-client model involves a server providing services to multiple clients.

• Clients connect to the server to request and receive data or services.

• Server monitors client connections to ensure they are active and responsive.

• Server may use heartbeat signals or periodic checks to monitor client status.

• If...read more
Answered by AI
Add your answer

Q1. Not remember, but certainly some basic node js functionality like event loop and it’s phases and multiple threads ne all
Add your answer

Q1. I don’t remember I m sorry, but there were some problems needed to solve using ur programming skills
Add your answer

Q1. Basic java like java 8 feature, Data types
Add your answer

Sql query for self join etc

Q1. Java basic questions
Add your answer
Q2. Microservices based questions
Add your answer

Q1. What are the services in Drupal?
Ans. 
Drupal provides various services to extend its functionality and features.
• Drupal core services such as database, cache, and logging

• Third-party services like RESTful web services, search, and email

• Custom services created by developers to meet specific needs

• Services can be accessed through Drupal's Service Container
Answered by AI
Add your answer
Q2. What is patch and how to create and apply
Ans. 
A patch is a file that contains changes to a software program. It can be created using a diff tool and applied using a patch tool.
• A patch file contains the changes made to a software program.

• It can be created using a diff tool like Git diff or SVN diff.

• The patch file can be applied using a patch tool like Git apply or SVN patch.

• Patches are commonly used to update software programs or fix bugs.

• Patches can also be used t...read more
Answered by AI
Add your answer
Q3. How to create custom module in drupal
Ans. 
To create a custom module in Drupal, follow these steps:
• Create a new folder in the 'modules' directory of your Drupal installation

• Create a .info.yml file in the new folder with module information

• Create a .module file in the new folder with module code

• Enable the module in the Drupal admin interface

• Clear the cache to ensure Drupal recognizes the new module
Answered by AI
Add your answer

Q1. HR discussion like: salary, notice period etc.
Add your answer

Q1. What is performance tuning
Ans. 
Performance tuning is the process of optimizing software to improve its speed, efficiency, and resource utilization.
• Identifying bottlenecks and areas of inefficiency

• Optimizing algorithms and data structures

• Reducing I/O operations and network latency

• Caching frequently accessed data

• Profiling and benchmarking to measure improvements

• Tuning hardware and infrastructure

• Testing and validating changes before deployment
Answered by AI
Add your answer
Q2. View and materialised view difference
Ans. 
Difference between view and materialized view
• A view is a virtual table that does not store data, while a materialized view is a physical table that stores data

• Views are dynamically generated while materialized views are precomputed and stored

• Materialized views are faster for read-heavy workloads but slower for write-heavy workloads

• Materialized views need to be refreshed periodically to ensure data consistency
Answered by AI
Add your answer