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Tech Mahindra Interview Questions and Answers
2.1k Interview questions
Loops are programming constructs that repeat a block of code multiple times based on a condition.
Types of loops: for, while, and do-while.
For loop example: for (let i = 0; i < 5; i++) { console.log(i); }
While loop example: let i = 0; while (i < 5) { console.log(i); i++; }
Do-while loop example: let i = 0; do { console.log(i); i++; } while (i < 5);
Loops help in automating repetitive tasks and iterating over...
In JavaScript, 'obj' typically refers to an object, a fundamental data structure that holds key-value pairs.
Objects are created using curly braces: const obj = {};
They can hold various data types: const person = { name: 'Alice', age: 25 };
Access properties using dot notation: console.log(person.name); // 'Alice'
Use bracket notation for dynamic keys: const key = 'age'; console.log(person[key]); // 25
Objects can als...
A function is a reusable block of code that performs a specific task in programming.
Functions can take inputs, known as parameters, and return outputs. Example: function add(a, b) { return a + b; }
They help in organizing code, making it modular and easier to maintain.
Functions can be defined using function declarations or function expressions.
Example of a function expression: const multiply = function(x, y) { retu...
An array is a data structure that stores a collection of elements, typically of the same type, in a contiguous memory location.
Arrays can hold multiple values in a single variable, e.g., let fruits = ['apple', 'banana', 'cherry'];
They are zero-indexed, meaning the first element is accessed with index 0, e.g., fruits[0] returns 'apple';
Arrays can be of fixed or dynamic size, e.g., in Java, int[] numbers = new int[5...
What people are saying about Tech Mahindra
React.js is a popular JavaScript library for building user interfaces, particularly single-page applications, using a component-based architecture.
Component-Based: React allows developers to create reusable UI components, making code more modular and maintainable.
Virtual DOM: React uses a virtual representation of the DOM to optimize rendering and improve performance.
Unidirectional Data Flow: Data in React flows i...
Node.js is a JavaScript runtime built on Chrome's V8 engine, enabling server-side scripting and building scalable network applications.
Node.js uses an event-driven, non-blocking I/O model, making it efficient and suitable for I/O-heavy applications.
It allows developers to use JavaScript on both the client and server sides, promoting code reuse.
Node.js has a rich ecosystem of libraries and frameworks, such as Expre...
Tech Mahindra HR Interview Questions
CSS (Cascading Style Sheets) is a stylesheet language used to describe the presentation of a document written in HTML or XML.
CSS controls layout, colors, fonts, and overall visual appearance of web pages.
It allows for responsive design, enabling websites to adapt to different screen sizes (e.g., using media queries).
CSS can be applied inline, embedded in the HTML document, or linked as an external stylesheet.
Examp...
HTML (HyperText Markup Language) is the standard language for creating web pages and web applications.
HTML uses tags to structure content, e.g., <h1> for headings, <p> for paragraphs.
It allows embedding multimedia elements like images (<img>) and videos (<video>).
HTML forms (<form>) enable user input, with elements like text fields (<input>) and buttons (<button>).
HTML doc...
JavaScript is a versatile, high-level programming language primarily used for web development to create interactive and dynamic web pages.
JavaScript is an interpreted language, meaning it runs directly in the browser without needing compilation.
It supports event-driven programming, allowing developers to create responsive user interfaces. Example: handling button clicks.
JavaScript can manipulate the Document Objec...
I will remain calm, seek assistance, and ensure the customer feels valued while I find the correct information.
Stay calm and listen carefully to the customer's question.
Acknowledge that I don't have the answer at the moment.
Reassure the customer that I will find the information they need.
Use available resources, such as knowledge bases or colleagues, to find the answer.
If necessary, escalate the issue to a supervi...
Tech Mahindra Interview Experiences
4.2k interviews found
Anonymous
I applied via Walk-in and was interviewed in Mar 2022. There was 1 interview round.
(7 Questions)
- Q1. What are your salary expectations?
- Q2. What is your family background?
- Q3. Share details of your previous job.
- Q4. Why should we hire you?
- Q5. Why are you looking for a change?
- Q6. What are your strengths and weaknesses?
- Q7. Tell me about yourself.
Interview Preparation Tips
Selected
(2 Questions)
- Q1. Tell me about yourself.
- Q2. What makes you the ideal candidate for this position?
- Ans.
I have a strong background in customer service, excellent communication skills, and a passion for helping customers.
Extensive experience in customer service roles
Excellent communication skills
Strong problem-solving abilities
Passion for helping customers
Proven track record of resolving customer issues efficiently
(1 Question)
- Q1. They will Voice test
(1 Question)
- Q1. Tell me about your self, what are languages you know, what do you know about phone pe
- Ans.
I am fluent in English, Hindi, and Spanish. I have knowledge about PhonePe's services and features.
Fluent in English, Hindi, and Spanish
Knowledge about PhonePe's services and features
Experience in customer service roles
(1 Question)
- Q1. They will check our typing test
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.
(15 Questions)
- Q1. What is split horison? How can we resolve it?
- Ans.
Split horizon is a technique used in computer networking to prevent routing loops by not advertising routes back to the same interface they were learned from.
Split horizon is used in distance-vector routing protocols like RIP to prevent routing loops.
It works by not advertising routes back to the same interface they were learned from.
Split horizon with poison reverse takes this a step further by advertising the route w...
- Q2. What is BGP? How BGP works?
- Ans.
BGP stands for Border Gateway Protocol, used to exchange routing information between different networks.
BGP is an exterior gateway protocol used to make routing decisions on the internet.
It operates by exchanging routing information between different autonomous systems (AS).
BGP uses TCP port 179 for communication.
BGP routers maintain a table of IP prefixes and their paths to reach them.
BGP can be configured to influenc...
- Q3. What are the type of BGP and their AD value?
- Q4. What is routing protocol? What are the types of routing protocol?
- Ans.
Routing protocol is a set of rules used by routers to determine the best path for data packets to travel.
Routing protocols help routers communicate with each other to dynamically update routing tables.
Types of routing protocols include distance-vector (e.g. RIP), link-state (e.g. OSPF), and hybrid (e.g. EIGRP).
Distance-vector protocols determine the best path based on hop count.
Link-state protocols use a more complex a...
- Q5. What is ospf?
- Q6. How do we prevent loop avoidance in BGP?
- Ans.
Preventing loop avoidance in BGP involves using loop prevention mechanisms like AS Path and Route Reflectors.
Use AS Path attribute to prevent loops by tracking the path a route has taken through AS numbers.
Implement Route Reflectors to avoid loops in BGP by controlling the route propagation within a cluster.
Utilize BGP Confederations to divide the network into smaller autonomous systems to prevent loops.
Regularly monit...
- Q7. What is OSI model? What are the layers of OSI model?
- Ans.
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
The OSI model stands for Open Systems Interconnection model.
It helps in understanding how data is transferred from one computer to another over a network.
The seven layers of OSI model are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has speci...
- Q8. How does tracerout works?
- Q9. If we see "*****" in tracerout, what it means?
- Ans.
The presence of '*****' in a traceroute indicates that the router is blocking the ICMP packets used by traceroute.
The '*****' indicates that the router is not responding to the ICMP packets sent by the traceroute tool.
This could be due to the router being configured to block ICMP traffic for security reasons.
It can also be caused by a firewall or network filtering rules blocking the ICMP packets.
In some cases, the '***...
- Q10. What are the states in BGP?
- Ans.
BGP states include Idle, Connect, Active, OpenSent, OpenConfirm, Established.
Idle - Initial state when BGP is not yet established
Connect - Attempting to establish a TCP connection
Active - Waiting for a TCP connection to be completed
OpenSent - Sent an Open message to peer
OpenConfirm - Received an Open message and waiting for confirmation
Established - BGP peers are fully established and can exchange routing information
- Q11. If there is a non tech guys on site to replace faulty router with new router, how do you configure the new router?
- Ans.
The new router can be configured remotely using a laptop or mobile device with access to the network.
Access the router's web interface by entering its IP address in a web browser
Login using default credentials or credentials provided by the company
Configure basic settings such as SSID, password, and security settings
Update firmware if necessary
Test the connection to ensure it is working properly
- Q12. What are CE and PE routers?
- Ans.
CE and PE routers are types of routers used in MPLS networks. CE routers connect to customer networks while PE routers connect to provider networks.
CE routers (Customer Edge) connect to customer networks and are responsible for exchanging routes with customer devices.
PE routers (Provider Edge) connect to provider networks and are responsible for exchanging routes with other PE routers in the MPLS network.
CE routers are...
- Q13. What is the command to assign an IP address on Juniper router interface?
- Ans.
The command to assign an IP address on a Juniper router interface is 'set interface <interface_name> unit <unit_number> family inet address <ip_address/mask>'
Use the 'set' command to configure the interface
Specify the interface name and unit number
Use the 'family inet' statement to configure an IPv4 address
Specify the IP address and subnet mask
- Q14. What are the parameters should match in BGP neighbourship?
- Ans.
Parameters for BGP neighbourship include AS number, IP address, subnet mask, and BGP version.
AS number must match on both neighbors
IP address must be reachable between neighbors
Subnet mask should be the same on both neighbors
BGP version should be compatible between neighbors
- Q15. What is tftp?
- Ans.
tftp stands for Trivial File Transfer Protocol, a simple protocol used for transferring files over a network.
tftp is a lightweight protocol used for transferring files between devices on a network.
It operates on UDP port 69.
tftp does not require user authentication, making it less secure compared to FTP.
It is commonly used for booting devices over a network, such as in diskless workstations or routers.
An example of tft...
(8 Questions)
- Q1. What is loop avoidance mechanism in BGP?
- Ans.
Loop avoidance mechanism in BGP prevents routing loops by using loop prevention mechanisms like AS path attribute and route reflectors.
BGP uses AS path attribute to prevent routing loops by not accepting routes with its own AS number in the path.
Route reflectors are used in BGP to avoid loops in route propagation within a cluster of routers.
BGP Confederations can also be used to prevent loops by dividing the AS into sm...
- Q2. How tracerout works? What is source and destination IP?
- Ans.
Traceroute is a network diagnostic tool used to track the path packets take from source to destination IP.
Traceroute sends packets with increasing TTL values to elicit ICMP Time Exceeded responses from routers along the path.
The source IP is the IP address of the device initiating the traceroute, while the destination IP is the IP address of the target device.
Traceroute displays the IP addresses of the routers in the p...
- Q3. What is public IP and private IP?
- Q4. How can we configure and a router with support of non tech guy onsite?
- Ans.
To configure a router with support of a non tech guy onsite, provide step-by-step instructions and visual aids.
Create a simple, easy-to-follow guide with step-by-step instructions.
Use visual aids such as diagrams or videos to demonstrate the process.
Provide clear explanations of each step and troubleshoot common issues.
Offer remote support or a helpline for additional assistance if needed.
- Q5. What is firewall?
- Q6. What are the difference between router and switch?
- Ans.
Routers connect multiple networks together while switches connect devices within a single network.
Routers operate at the network layer (Layer 3) of the OSI model, while switches operate at the data link layer (Layer 2).
Routers use IP addresses to forward data between networks, while switches use MAC addresses to forward data within a network.
Routers can determine the best path for data to travel between networks, while...
- Q7. What is mpls?
- Q8. How ftp and tftp works?
- Ans.
FTP and TFTP are protocols used for transferring files over a network.
FTP (File Transfer Protocol) is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the internet.
TFTP (Trivial File Transfer Protocol) is a simpler version of FTP that uses UDP instead of TCP for file transfer.
FTP requires authentication (username and password) for access, while TFTP does not ...
Selected
(5 Questions)
- Q1. What is DHCP and how many type of DHCP and please explain how to work DHCP DORA Process ?
- Ans.
DHCP is a network protocol that assigns IP addresses to devices on a network. There are two types of DHCP: DHCPv4 and DHCPv6.
DHCP stands for Dynamic Host Configuration Protocol.
DHCPv4 is used for assigning IPv4 addresses, while DHCPv6 is used for assigning IPv6 addresses.
DHCP DORA process stands for Discover, Offer, Request, Acknowledge.
Discover: Client broadcasts a DHCP Discover message to find available DHCP servers.
...
- Q2. What is OU and how to configure and Please Explain ADC ?
- Ans.
OU stands for Organizational Unit, used to organize objects within a domain. ADC stands for Active Directory Connector, used to synchronize data between on-premises AD and Azure AD.
OU is a container within a domain used to organize objects like users, groups, and computers.
OU helps in delegating administrative tasks and applying Group Policies.
Example: Sales department can have its own OU with specific users and polici...
- Q3. What is APIPA and how to work and what is APIPA Range.
- Ans.
APIPA stands for Automatic Private IP Addressing, a feature in Windows that automatically assigns IP addresses to computers when DHCP server is not available.
APIPA is a feature in Windows operating systems that automatically assigns IP addresses in the range of 169.254.0.1 to 169.254.255.254 when a DHCP server is not available.
It is commonly used in small home or office networks where a DHCP server is not present.
APIPA...
- Q4. Please explain OSPF and BGP ?
- Ans.
OSPF and BGP are routing protocols used in networking to determine the best path for data packets to travel.
OSPF (Open Shortest Path First) is an interior gateway protocol used to exchange routing information within an autonomous system.
BGP (Border Gateway Protocol) is an exterior gateway protocol used to exchange routing information between different autonomous systems.
OSPF uses link-state routing algorithm to calcula...
- Q5. What is OSI layer and please explain all Layer ?
- Ans.
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.
Layer 1 - Physical layer: Deals with physical connections and transmission of raw data over a physical medium (e.g. cables, fibers).
Layer 2 - Data Link layer: Responsible for node-to-node communication, error detection, and flow control (e.g. Ethern...
I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.
(9 Questions)
- Q1. Match 14 characters before @ , given an url
- Ans.
Extract the 14 characters before @ in a given URL
Use string manipulation to extract characters before @ symbol
Consider edge cases like no @ symbol or less than 14 characters before @
Handle special characters like %20 or %40
- Q2. Match Atleast one capital, once small case, 1 digit and 1 special character using regex?
- Ans.
Regex pattern to match at least one capital letter, one small case letter, one digit, and one special character.
Use the regex pattern: (?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[^A-Za-z0-9])
Example: Password@123
- Q3. Given a string ="This is my interview for QA engineer"; write code to give an output of each word with vowel count?
- Ans.
Code to output each word with vowel count in a given string.
Split the string into words using space as delimiter
Iterate through each word and count the number of vowels
Store the word and its vowel count in an array of strings
- Q4. Given a 2X2 Matrix, find the maximum diagonal sum?
- Ans.
To find the maximum diagonal sum in a 2X2 Matrix, sum the elements of the main diagonal and the opposite diagonal.
Sum the elements of the main diagonal (top left to bottom right) and the opposite diagonal (top right to bottom left).
Compare the sums of both diagonals and return the maximum sum.
Example: For a 2X2 Matrix [[1, 2], [3, 4]], the main diagonal sum is 1+4=5 and the opposite diagonal sum is 2+3=5. The maximum d...
- Q5. How do you find the selected option text from dropdown in selenium?
- Q6. Given a dropdown contains options with duplicates. Find those duplicates along with its occurrence/frequency?
- Ans.
Find duplicates in a dropdown along with their occurrence/frequency.
Iterate through the dropdown options and store each option in a hashmap with its frequency.
Identify options with frequency greater than 1 as duplicates.
Return the duplicates along with their occurrence/frequency.
- Q7. How do you resolve merge conflicts in git?
- Q8. How to bring specific commit changes to your branch?
- Ans.
Use git cherry-pick command to bring specific commit changes to your branch.
Identify the commit hash of the specific changes you want to bring to your branch.
Checkout to the branch where you want to apply the changes.
Use 'git cherry-pick <commit-hash>' command to apply the specific commit changes to your branch.
- Q9. How to switch to frame and come out of it in selenium?
- Ans.
To switch to a frame in Selenium, use driver.switchTo().frame() method. To come out of a frame, use driver.switchTo().defaultContent() method.
Use driver.switchTo().frame() method to switch to a frame
Use driver.switchTo().defaultContent() method to come out of a frame
Example: driver.switchTo().frame("frameName");
Example: driver.switchTo().defaultContent();
Interview Preparation Tips
Selected
I appeared for an interview in Jul 2025, where I was asked the following questions.
- Q1. Explain OS 7 layers?
- Q2. What is FTTP?
Interview Preparation Tips
I appeared for an interview in Jul 2025, where I was asked the following questions.
- Q1. My self introduction
- Q2. My filed of study
- Q3. Work experience
Selected
I applied via Referral and was interviewed in Dec 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Can you please introduce yourself?
- Q2. Are you comfortable speaking in English?
- Ans.
Yes, I am comfortable speaking in English.
Fluent in English
Comfortable communicating in English
Have experience speaking English in previous roles
(2 Questions)
- Q1. Do you have knowledge of unix ?
- Q2. Questions Based on unix commands.
(2 Questions)
- Q1. How was your technical round?
- Ans.
My technical round went well. I was able to showcase my knowledge and skills effectively.
Demonstrated proficiency in troubleshooting technical issues
Provided detailed explanations for my problem-solving approach
Highlighted relevant experience and certifications
Received positive feedback from the interviewer
- Q2. What are your expectations from our company?
- Ans.
I expect a supportive work environment, opportunities for growth, and a strong team dynamic.
Supportive work environment
Opportunities for growth
Strong team dynamic
Interview Preparation Tips
- MySQL
- Unix Shell Scripting
Selected
I appeared for an interview in Jan 2025.
(2 Questions)
- Q1. SQL medium questions to be done in Pyspark parallely.
- Q2. Datafactory and other azure resources scenario based
(1 Question)
- Q1. Project discussion with the team lead and manager
(1 Question)
- Q1. Technical and general discussion
Application Production Support Analyst Interview Questions & Answers
Sameer Sayyad
posted on 1 Mar 2025
(1 Question)
- Q1. Linux and SQL related
(2 Questions)
- Q1. Job schedule and monitoring
- Q2. Application performance
- Ans.
Application performance is crucial for ensuring optimal user experience and efficiency.
Monitor key performance indicators such as response time, throughput, and error rates
Identify and address bottlenecks in the application architecture or code
Utilize performance testing tools like JMeter or LoadRunner to simulate real-world scenarios
Optimize database queries and ensure efficient use of resources
Implement caching mecha...
(2 Questions)
- Q1. Linux and SQL query related
- Q2. Application support
Karisma jeanette singh
I appeared for an interview in Dec 2024.
(9 Questions)
- Q1. Can you tell me about yourself?
- Q2. What is the process for conducting capacity planning?
- Ans.
Capacity planning involves forecasting future resource needs and ensuring that the necessary resources are available.
Identify current resource usage and performance levels
Forecast future resource needs based on growth projections
Determine any potential bottlenecks or constraints
Allocate resources accordingly to meet future demands
Regularly review and adjust the capacity plan as needed
- Q3. What is the process for creating a Standard Operating Procedure (SOP)?
- Ans.
Creating a Standard Operating Procedure involves identifying the process, documenting steps, obtaining feedback, and finalizing the SOP.
Identify the process or task that needs an SOP
Document each step involved in the process
Obtain feedback from relevant stakeholders for improvements
Finalize the SOP with clear instructions and guidelines
Regularly review and update the SOP as needed
- Q4. How do you handle transitions?
- Ans.
I handle transitions by communicating effectively, setting clear expectations, and providing support to team members.
Communicate openly and transparently with team members about upcoming changes
Set clear expectations and goals for the transition period
Provide support and resources to help team members adjust to the changes
Lead by example and remain positive and adaptable during transitions
- Q5. How do you provide feedback?
- Ans.
I provide feedback by being specific, timely, and constructive.
Be specific about what was done well and what needs improvement
Provide feedback in a timely manner to address issues promptly
Offer constructive criticism and suggestions for improvement
Encourage open communication and dialogue for feedback to be effective
- Q6. Can you describe a situation in which you had to handle an escalation call from a customer, and how you managed it?
- Ans.
Handled an escalation call by actively listening, empathizing, and offering a solution.
Remain calm and composed while listening to the customer's concerns.
Empathize with the customer and acknowledge their frustration.
Offer a solution or escalate the issue to a higher authority if necessary.
Follow up with the customer to ensure their issue has been resolved satisfactorily.
- Q7. Can you describe a situation in which you encountered a conflict between two team members and explain how you managed that situation?
- Ans.
Managed conflict between team members by facilitating open communication and finding common ground.
Addressed the issue privately to understand each team member's perspective
Encouraged open communication and active listening to resolve misunderstandings
Facilitated a team meeting to discuss the conflict and find common ground
Established clear expectations and guidelines for future interactions
- Q8. What Key Performance Indicators (KPIs) have you worked with?
- Ans.
I have worked with KPIs such as sales targets, customer satisfaction scores, employee productivity metrics, and project completion rates.
Sales targets
Customer satisfaction scores
Employee productivity metrics
Project completion rates
- Q9. How did you establish end-to-end operations when setting up a new process?
- Ans.
I established end-to-end operations by defining clear processes, assigning roles, providing training, and monitoring performance.
Defined clear processes from start to finish
Assigned roles and responsibilities to team members
Provided training and resources to ensure understanding and proficiency
Monitored performance and made adjustments as needed
Tech Mahindra Interview FAQs
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Tech Mahindra Interviews By Designations
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Hyderabad / Secunderabad,
Bangalore / Bengaluru
5-7 Yrs
₹ 14-25 LPA
|
Software Engineer
26.8k
salaries
|  ₹3.7 L/yr - ₹9.3 L/yr |
|
Senior Software Engineer
22.7k
salaries
| ₹9.1 L/yr - ₹18.9 L/yr |
|
Technical Lead
12.4k
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| ₹17 L/yr - ₹30 L/yr |
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Team Lead
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| ₹6.5 L/yr - ₹17.9 L/yr |
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