200+ Tech Mahindra Interview Questions and Answers for Freshers

I have implemented RE framework in 3 projects.

• Implemented RE framework in 3 projects

• Used RE framework for automating end-to-end processes

• Leveraged RE framework's modular structure for easy maintenance

• Examples: Invoice processing, Order management, HR onboarding

NullPointerException is a runtime exception that occurs when a program tries to access or use an object reference that is null.

• It is a common exception in Java programming.

• It is thrown when a program attempts to use an object reference that has not been initialized.

• It indicates that there is an attempt to access or invoke a method on an object that is null.

• Example: String str = null; str.length();

Yes, by using the super() method in the derived class.

• super() method calls the base class method

• Derived class must inherit from the base class

• Example: class Derived(Base): def method(self): super().method()

Access specifiers define the level of access to class members. They ensure encapsulation and data hiding in object-oriented programming.

• Access specifiers are keywords used in class definitions to specify the access level of class members.

• There are three access specifiers in C++: public, private, and protected.

• Public members can be accessed from anywhere in the program, while private members can only be accessed within the class.

• Protected members can be accessed within the cla...read more

In case of bot execution failure, I would identify the root cause and fix it as soon as possible.

• Check the logs to identify the error message and the point of failure

• Analyze the code to identify the root cause of the failure

• Fix the issue and test the bot again to ensure it is working as expected

• Implement measures to prevent similar failures in the future

Call by value and call by reference are two ways of passing arguments to a function.

• Call by value passes a copy of the argument value to the function.

• Call by reference passes a reference to the memory location of the argument.

• Call by value is used for simple data types like int, float, etc.

• Call by reference is used for complex data types like arrays, structures, etc.

C++ supports polymorphism through virtual functions and inheritance.

• Polymorphism allows objects of different classes to be treated as if they were of the same class.

• Virtual functions are declared in the base class and overridden in the derived class.

• Dynamic binding is used to determine which function to call at runtime.

• Examples include function overriding, templates, and operator overloading.

OOPs concepts are the principles of Object-Oriented Programming that focus on encapsulation, inheritance, and polymorphism.

• Encapsulation: bundling of data and methods that manipulate the data within a single unit

• Inheritance: ability of a class to inherit properties and methods from a parent class

• Polymorphism: ability of objects to take on multiple forms or behaviors

• Abstraction: hiding the implementation details of a class from the outside world

• Example: A car is an object that...read more

OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

• OOPs is a way of organizing and designing code around objects

• Variables are used to store data within an object

• In OOPs, variables are also known as properties or attributes

• Variables can have different access modifiers like public, private, protected

• Example: A car object can have properties like color, model, and speed

Java is a high-level, object-oriented programming language, while C++ is a low-level, multi-paradigm language.

• Java is platform-independent, while C++ is platform-dependent.

• Java uses automatic garbage collection, while C++ requires manual memory management.

• Java does not support pointers, while C++ does.

• Java has a simpler syntax compared to C++.

• Java is more secure due to its strong type checking and exception handling mechanisms.

Conversion operation in string

• String conversion can be done using built-in functions like parseInt(), parseFloat(), toString(), etc.

• Conversion can also be done using regular expressions and string manipulation techniques.

• It is important to handle errors and edge cases while performing string conversion.

Handling irate customers and understanding emotions

• Listen actively and empathize with the customer's situation

• Apologize for the inconvenience caused and assure them of a solution

• Offer a solution or escalate the issue to a higher authority if necessary

• Understand that emotions are subjective and can vary from person to person

• Emotions are a natural response to a situation and should be acknowledged and respected

BPO stands for Business Process Outsourcing. It is important for companies to outsource non-core business functions to focus on core competencies.

• BPO involves contracting non-core business functions to a third-party service provider.

• It helps companies to reduce costs, increase efficiency, and focus on core competencies.

• Examples of BPO services include customer support, accounting, human resources, and IT services.

• BPO can be onshore, nearshore, or offshore depending on the loc...read more

A technical interview is a job interview for positions in the technology industry where candidates are evaluated on their technical skills and knowledge.

• Technical interviews typically involve coding challenges, problem-solving exercises, and discussions about technical concepts.

• Candidates may be asked to write code on a whiteboard, solve algorithmic problems, or explain their approach to solving a technical challenge.

• Interviewers may also ask questions about the candidate's e...read more

A router connects multiple devices to a network and directs traffic, while a modem connects a network to the internet.

• A router is used to create a local area network (LAN) and connect multiple devices to it.

• A modem is used to connect a network to the internet.

• A router directs traffic between devices on the network and manages the flow of data.

• A modem converts digital signals from the network into analog signals that can be transmitted over a phone or cable line.

• Examples of ro...read more

I will listen to their concerns, empathize with them, and offer a solution to their problem.

• Listen actively to their complaints without interrupting them

• Empathize with their situation and show understanding

• Offer a solution to their problem and follow up to ensure their satisfaction

• Remain calm and professional throughout the interaction

• Apologize for any inconvenience caused and take responsibility for the issue

• Provide options to resolve the issue and let the customer choose th...read more

Single inheritance allows a class to inherit from only one parent class, while multiple inheritance allows a class to inherit from multiple parent classes.

• Single inheritance: class A can inherit from class B.

• Multiple inheritance: class A can inherit from class B and class C.

• Single inheritance is simpler and easier to understand.

• Multiple inheritance can lead to ambiguity and complexity, known as the diamond problem.

• Languages like Java support single inheritance, while language...read more

IOT is the interconnection of physical devices, while AngularJS is a JavaScript framework for web development.

• IOT enables devices to communicate and exchange data, leading to automation and efficiency in various industries.

• Examples of IOT include smart homes, wearable devices, and industrial automation.

• AngularJS simplifies web development by providing a framework for building dynamic and responsive web applications.

• Examples of AngularJS include Google Analytics, PayPal, and T...read more

I am currently working in the software development stream.

• Working in software development stream

• Experience in coding and programming

• Familiar with various programming languages

I am comfortable with multiple programming languages including Java, Python, and JavaScript.

• Proficient in Java for backend development

• Experienced in Python for data analysis and machine learning

• Skilled in JavaScript for frontend development

• Familiar with SQL for database management

• Comfortable with C++ for competitive programming

SQL is a programming language used to manage and manipulate relational databases.

• SQL stands for Structured Query Language

• It is used to create, modify, and query databases

• SQL is used in various industries including finance, healthcare, and e-commerce

• Common SQL commands include SELECT, INSERT, UPDATE, and DELETE

Regression, sanity, and smoke testing are different types of software testing.

• Regression testing is done to ensure that new code changes do not negatively impact existing functionality.

• Sanity testing is a narrow and focused testing to quickly determine if a new functionality is working as expected.

• Smoke testing is a preliminary testing to check if the software build is stable enough for further testing.

• Regression testing is comprehensive and time-consuming, sanity testing is ...read more

Hubs broadcast data to all connected devices, while switches only send data to the intended recipient.

• Hubs operate at the physical layer of the OSI model, while switches operate at the data link layer.

• Hubs are less expensive than switches, but switches offer better performance and security.

• Hubs are often used in small networks, while switches are used in larger networks.

• Example of a hub: Netgear 5-Port Fast Ethernet Unmanaged Switch

• Example of a switch: Cisco Catalyst 2960 Ser...read more

I will listen to the customer's issue, empathize with them, and provide a solution that meets their needs.

• Listen actively to the customer's issue and let them vent their frustration

• Empathize with the customer and acknowledge their feelings

• Provide a solution that meets the customer's needs and resolves the issue

• If necessary, escalate the call to a supervisor or manager for further assistance

• Follow up with the customer to ensure their issue has been resolved to their satisfacti...read more

Long form refers to the complete or expanded version of an acronym or abbreviation.

• Long form is used to provide clarity and avoid confusion.

• It is commonly used in technical fields and academia.

• Examples include NASA (National Aeronautics and Space Administration) and AIDS (Acquired Immune Deficiency Syndrome).

Cricket is a popular sport played worldwide with a rich history and diverse culture.

• Cricket originated in England in the 16th century and has since spread to many countries.

• It is a bat-and-ball game played between two teams of eleven players each.

• The objective is to score more runs than the opposing team while taking turns to bat and bowl.

• Cricket has many formats including Test, One Day International, and Twenty20.

• India is one of the biggest cricket-playing nations and has a ...read more

I would refer to the company's design guidelines and consult with other team members before making a decision.

• Check the company's design guidelines for guidance

• Consult with other team members for their input

• Consider the project's goals and requirements

• Make a decision based on the available information

• Document the decision and reasoning for future reference

Yes, I have an Aadhaar card with a phone number linked to it.

• I have linked my phone number to my Aadhaar card for easy verification and authentication.

• Having a linked phone number helps in receiving important updates and notifications related to Aadhaar.

• It also helps in availing various government services that require Aadhaar authentication.

• I can provide my Aadhaar number and linked phone number for verification purposes.

Questions related to KYC, money laundering, CDD, EDD, and finance were asked for the Associate Analyst position.

• KYC stands for Know Your Customer and is the process of verifying the identity of a customer.

• KYC is important to prevent fraud, money laundering, and terrorist financing.

• Money laundering is the process of making illegally obtained money appear legitimate.

• The stages of money laundering include placement, layering, and integration.

• CDD stands for Customer Due Diligence...read more

MAC address is a unique identifier assigned to network interfaces for communications on the physical network segment.

• MAC stands for Media Access Control

• It is a 48-bit address

• It is used to identify devices on a network

• It cannot be changed permanently, but can be spoofed temporarily

• Example: 00:1A:C2:7B:00:47

A shared printer is connected to a single computer and can be accessed by other computers on the same network. A network printer is directly connected to the network and can be accessed by multiple computers.

• Shared printer is connected to a single computer, while network printer is directly connected to the network.

• Shared printer can be accessed by other computers on the same network, while network printer can be accessed by multiple computers.

• Shared printer requires the comp...read more

Remove nodes in a singly linked list with a greater value on the right.

• Traverse the linked list and compare each node's value with the values of nodes to its right.

• If a node has a greater value on the right, remove it from the linked list.

• Update the references of the previous node to skip the removed node.

Confidence is having faith in one's abilities while overconfidence is having excessive faith in one's abilities.

• Confidence is a positive trait that helps individuals achieve their goals while overconfidence can lead to complacency and mistakes.

• Confidence is based on experience and knowledge while overconfidence is often based on assumptions and arrogance.

• Confidence allows individuals to take calculated risks while overconfidence can lead to reckless behavior.

• For example, a co...read more

My strength lies in my ability to empathize with customers and provide personalized solutions to their problems.

• Strong communication skills

• Active listening

• Empathy

• Problem-solving

• Patience

• Adaptability

• Product knowledge

• Conflict resolution

• Time management

Child labour is a prevalent issue in India.

• India has the highest number of child labourers in the world.

• Children are often forced to work in hazardous conditions.

• Lack of education and poverty are major factors contributing to child labour.

• The Indian government has implemented laws to combat child labour, but enforcement is weak.

• Industries such as textiles, agriculture, and mining are known to employ child labourers.

C introduced structured programming and allowed modular programming with functions.

• C introduced the concept of structured programming with the use of control structures like if-else, for, while, and switch-case.

• It also allowed modular programming with the use of functions, which could be reused in different parts of the program.

• C also introduced the concept of pointers, which allowed direct manipulation of memory addresses.

• Examples of C programs include operating systems, dev...read more

Count the number of elements with odd and even occurrences in an array of integers.

• Iterate through the array and use a hashmap to store the count of each element.

• After counting, iterate through the hashmap to determine odd and even occurrences.

• Return the counts of elements with odd and even occurrences.

The word 'Sorry' plays a crucial role in customer care executive job as it helps in acknowledging mistakes, showing empathy, and resolving customer issues.

• Apologizing for any inconvenience caused to the customer

• Expressing empathy towards the customer's situation

• Taking responsibility for any errors or misunderstandings

• Resolving customer issues promptly and effectively

• Using 'Sorry' as a tool to maintain positive customer relationships

Answering questions related to KYC, money laundering, and finance

• KYC stands for Know Your Customer and is the process of verifying the identity of a customer or client

• KYC is important to prevent fraud, money laundering, and terrorist financing

• Money laundering is the process of making illegally obtained money appear legitimate

• The stages of money laundering include placement, layering, and integration

• CDD stands for Customer Due Diligence and is the process of verifying the iden...read more

Turbines are used to convert kinetic energy into mechanical energy. There are various types of turbines such as steam, gas, and hydraulic.

• Turbines are used in power generation, aviation, and marine propulsion.

• Steam turbines are used in thermal power plants to generate electricity.

• Gas turbines are used in aircraft engines and power plants.

• Hydraulic turbines are used in hydroelectric power plants.

• Wind turbines are used to generate electricity from wind energy.

• Turbines can be cl...read more

Operators in programming are symbols that perform specific operations on one or more operands.

• Operators can be arithmetic (+, -, *, /), assignment (=), comparison (==, !=, <, >), logical (&&, ||, !), bitwise (&, |, ^), etc.

• Unary operators operate on a single operand, while binary operators operate on two operands.

• Examples: 5 + 3 (addition), x = 10 (assignment), a == b (comparison), true && false (logical)

I am a dedicated and passionate software engineer with experience in Java, Python, and web development.

• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Excellent communication and teamwork abilities

I would provide patient and attentive service, taking into account any physical or cognitive limitations.

• Speak clearly and slowly, allowing time for the customer to process information

• Use simple language and avoid technical jargon

• Be patient and understanding, allowing the customer to take their time

• Offer assistance with any physical tasks, such as carrying bags or opening doors

• Ensure the customer is comfortable and has access to any necessary amenities, such as seating or wat...read more

Empathy is feeling what someone else is feeling, while sympathy is feeling sorry for someone else's feelings.

• Empathy is putting yourself in someone else's shoes and experiencing their emotions

• Sympathy is acknowledging someone else's emotions and feeling sorry for them

• Empathy is more active and involves understanding and sharing the emotions of others

• Sympathy is more passive and involves acknowledging the emotions of others

• Example: Empathy is feeling sad when your friend is go...read more

I handle customer problems by actively listening, empathizing, and finding a solution that meets their needs.

• Listen actively to the customer's concerns and complaints

• Empathize with the customer and acknowledge their frustration

• Offer a solution that meets the customer's needs and resolves the issue

• Follow up with the customer to ensure their satisfaction

• Maintain a positive and professional attitude throughout the interaction

Poverty is a major issue in India with a large percentage of the population living below the poverty line.

• India has a poverty rate of around 21.9% as of 2020

• Poverty is more prevalent in rural areas than in urban areas

• Lack of access to education, healthcare, and basic amenities contribute to the poverty situation

• Government initiatives like the National Rural Employment Guarantee Act (NREGA) and Pradhan Mantri Jan Dhan Yojana (PMJDY) aim to alleviate poverty

The OSI model is a conceptual framework that standardizes the functions of a communication system into seven layers.

• The OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model is divided into seven layers, each responsible for specific functions.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer interacts with the layer above a...read more

Technical issues in Desktop Support Engineer involve hardware, software, network, and security problems.

• Hardware issues such as malfunctioning components or peripherals

• Software issues such as installation errors or compatibility problems

• Network issues such as connectivity or configuration problems

• Security issues such as malware infections or unauthorized access

• Examples include printer not working, slow computer performance, and internet connection problems

To write a programming language as a software developer, one must understand the syntax, semantics, and design principles of programming languages.

• Understand the syntax and grammar rules of the language.

• Define the semantics of the language, including how statements and expressions are interpreted.

• Design the language features and constructs based on the intended use cases.

• Implement the language using a compiler or interpreter.

• Test and debug the language implementation to ensur...read more

Terms and conditions are rules and guidelines that users must agree to follow in order to use a service or product.

• Terms and conditions outline the rights and responsibilities of both the user and the company providing the service.

• They often include information about privacy policies, payment terms, and usage restrictions.

• Users are typically required to agree to the terms and conditions before using a service or product.

• Examples of terms and conditions can be found on website...read more

The output after inner join of table 1 and table 2 will be 2,3,5.

• Inner join only includes rows that have matching values in both tables.

• Values 2, 3, and 5 are present in both tables, so they will be included in the output.

• Null values are not considered as matching values in inner join.

Designing an effective ADF pipeline involves considering various metrics and factors.

• Understand the data sources and destinations

• Identify the dependencies between activities

• Optimize data movement and processing for performance

• Monitor and track pipeline execution for troubleshooting

• Consider security and compliance requirements

• Use parameterization and dynamic content for flexibility

• Implement error handling and retries for robustness

Online shopping is convenient and offers a wider range of products, while offline shopping allows for physical inspection and immediate gratification.

• Online shopping can be done from anywhere with an internet connection.

• Offline shopping allows for physical inspection of products before purchase.

• Online shopping offers a wider range of products and often better prices.

• Offline shopping allows for immediate gratification and eliminates shipping time.

• Online shopping may require ad...read more

CX care executive is a customer support professional who provides assistance and resolves issues related to customer experience.

• CX care executive is responsible for ensuring customer satisfaction and loyalty.

• They handle customer queries, complaints, and feedback through various channels like phone, email, chat, etc.

• They work towards improving the overall customer experience by identifying areas of improvement and suggesting solutions.

• Examples of CX care executives include cus...read more

Software is a set of instructions that tells a computer how to perform specific tasks. Developing software involves designing, coding, testing, and maintaining programs.

• Software is a collection of programs, data, and documentation that performs specific tasks on a computer.

• Developing software involves analyzing user requirements, designing the software architecture, coding the program, testing for bugs, and maintaining the software.

• Examples of software development tools inclu...read more

AI stands for Artificial Intelligence, which involves the development of computer systems that can perform tasks that typically require human intelligence.

• AI is a branch of computer science that aims to create intelligent machines capable of learning and problem-solving.

• Machine learning is a subset of AI that involves training algorithms to learn from data and make predictions or decisions.

• Smart home devices use AI and machine learning to automate tasks and improve efficiency...read more

Sympathy is feeling sorry for someone, while empathy is understanding and sharing the feelings of another.

• Sympathy is acknowledging someone's emotions without necessarily feeling them yourself

• Empathy involves putting yourself in someone else's shoes and truly understanding their emotions

• Sympathy is more surface-level, while empathy requires a deeper emotional connection

• Example: Sympathy - 'I'm sorry you're going through a tough time.' Empathy - 'I can imagine how difficult th...read more

My typing speed is 70 words per minute and I am fluent in English.

• Typing speed: 70 words per minute

• Fluency in English: Fluent

• Experience in customer support roles requiring strong typing and language skills

A looping statement is used to execute a block of code repeatedly until a certain condition is met.

• Looping statements are used to automate repetitive tasks.

• Common looping statements include for, while, and do-while loops.

• For example, a for loop can be used to iterate through an array and perform a certain action on each element.

• A while loop can be used to repeatedly execute a block of code as long as a certain condition is true.

• A do-while loop is similar to a while loop, but ...read more

Built-in functions are pre-defined functions in programming languages that can be used without defining them first.

• Built-in functions are part of the language's standard library

• They are designed to perform common tasks such as string manipulation, math operations, and input/output

• Examples of built-in functions in Python include print(), len(), and range()

• They can save time and effort by providing pre-written code for common tasks

Aadhaar card is a unique identification card issued by the Indian government to residents of India.

• Aadhaar card is a 12-digit unique identification number issued by the Unique Identification Authority of India (UIDAI).

• It serves as proof of identity and address for Indian residents.

• Aadhaar card contains biometric and demographic information of the cardholder, including fingerprints and iris scans.

• It is used for various purposes such as opening bank accounts, getting a SIM card...read more

Good customer service is providing prompt, efficient, and friendly assistance to customers.

• Responding to customer inquiries and complaints in a timely manner

• Being knowledgeable about the product or service being offered

• Treating customers with respect and empathy

• Going above and beyond to meet customer needs

• Providing clear and concise communication

• Following up with customers to ensure satisfaction

• Offering solutions and alternatives to problems

• Being proactive in addressing poten...read more

To ensure high availability of the etcd cluster used by Kubernetes, you can implement redundancy, monitoring, and disaster recovery strategies.

• Implement a multi-node etcd cluster to ensure redundancy and fault tolerance.

• Utilize monitoring tools like Prometheus and Grafana to track the health and performance of the etcd cluster.

• Set up regular backups and implement disaster recovery plans to quickly recover from failures.

• Use Kubernetes features like PodDisruptionBudgets to prev...read more

Routers are networking devices that forward data packets between computer networks.

• Routers connect multiple devices to the internet or other networks

• They use routing tables to determine the best path for data to travel

• Routers can be wired or wireless, and can be used in homes, businesses, and data centers

• Examples of popular router brands include Cisco, Netgear, and TP-Link

Another name for induction motor is asynchronous motor.

• Asynchronous motor is commonly used in industrial applications.

• It operates at a slightly slower speed than the synchronous speed.

• Examples include squirrel cage induction motor and wound rotor induction motor.

Subnet mask is a 32-bit number used to divide an IP address into network and host addresses.

• It is used to identify the network portion of an IP address

• It is represented in decimal format or dotted decimal notation

• It is used in conjunction with IP addresses to determine network and host addresses

BPO stands for Business Process Outsourcing, while KPO stands for Knowledge Process Outsourcing.

• BPO involves outsourcing non-core business processes, such as customer support or data entry.

• KPO involves outsourcing knowledge-based processes, such as research, analysis, or consulting.

• BPO focuses on operational efficiency and cost reduction, while KPO focuses on value creation and knowledge-intensive tasks.

• BPO typically requires basic skills and training, while KPO requires spec...read more

Hardware refers to physical components of a computer while software refers to programs and applications that run on the computer.

• Hardware includes components such as the motherboard, CPU, RAM, and hard drive.

• Software includes programs such as Microsoft Office, Adobe Photoshop, and web browsers.

• Hardware is tangible and can be physically touched while software is intangible and cannot be physically touched.

• Hardware can be upgraded or replaced while software can be updated or un...read more

Self-introduction is a brief overview of your background, skills, and experiences.

• Start with your name and current job title

• Highlight your relevant skills and experiences

• Mention your career goals and why you are interested in the position

• Keep it concise and engaging

• Example: Hi, I'm [Your Name], a Customer Service Representative with 3 years of experience in handling customer inquiries and resolving issues. I am passionate about providing excellent service and am excited about...read more

Centripetal force pulls an object towards the center of a circular path, while centrifugal force pushes an object away from the center.

• Centripetal force is directed towards the center of rotation, while centrifugal force is directed away from the center.

• Centripetal force is responsible for keeping an object in circular motion, while centrifugal force is experienced by the object moving in a circular path.

• Centripetal force is a real force, while centrifugal force is a perceive...read more

Learning software development involves studying programming languages, practicing coding, building projects, and staying updated with industry trends.

• Study programming languages like Java, Python, C++, etc.

• Practice coding regularly on platforms like LeetCode, HackerRank, etc.

• Build projects to apply your knowledge and gain practical experience.

• Stay updated with industry trends by reading blogs, attending workshops, etc.

My views on the current situation

• The current situation is challenging due to the ongoing pandemic

• There is a need for empathy and understanding in customer care during these times

• Remote work has become more prevalent, requiring adaptability and effective communication

• Customer expectations have changed, with a greater emphasis on safety and convenience

• Technology plays a crucial role in providing seamless customer support

• Collaboration and teamwork are essential for addressing cu...read more

Implementing zero-downtime deployments in Kubernetes involves using rolling updates and readiness probes.

• Use rolling updates to gradually replace old pods with new ones

• Configure readiness probes to ensure new pods are ready before routing traffic to them

• Utilize tools like Helm for managing releases and versioning

Capacity planning for a Kubernetes cluster involves analyzing resource usage, predicting future needs, and scaling infrastructure accordingly.

• Monitor resource usage of pods and nodes using tools like Prometheus and Grafana

• Analyze historical data to identify trends and patterns in resource consumption

• Estimate future resource requirements based on application growth and workload changes

• Scale the cluster by adding or removing nodes, adjusting resource limits, or using auto-scali...read more

The question is incomplete and lacks context. Please provide more information.

DORA (Discover Offer Request Acknowledge) is a process used by DHCP to assign IP addresses to devices on a network.

• DORA stands for Discover, Offer, Request, and Acknowledge.

• It is a four-step process used by DHCP to assign IP addresses to devices on a network.

• The Discover message is sent by the client to request an IP address.

• The Offer message is sent by the server with an available IP address.

• The Request message is sent by the client to request the offered IP address.

• The Ackn...read more

I am a customer care executive with excellent communication skills and a passion for helping people.

• I have experience in handling customer queries and complaints

• I am proficient in using customer service software and tools

• I am a good listener and can empathize with customers

• I am a quick learner and can adapt to new situations easily

Upselling is a technique to persuade customers to buy a more expensive or upgraded version of a product.

• Understand the customer's needs and preferences

• Highlight the benefits of the upgraded product

• Offer discounts or promotions to sweeten the deal

• Use suggestive language to encourage the customer to upgrade

• Provide excellent customer service to build trust and loyalty

The importance of effective communication in customer service

• Effective communication is key in customer service to understand and address customer needs

• Active listening is crucial to show empathy and provide appropriate solutions

• Clear and concise language helps avoid misunderstandings and build trust

• Non-verbal communication such as body language and tone of voice also play a significant role

• Examples: handling a customer complaint, explaining product features, resolving billin...read more

Data structures are ways of organizing and storing data in a computer so that it can be accessed and used efficiently.

• Data structures are used to manage and manipulate data.

• They can be implemented using arrays, linked lists, trees, graphs, and other methods.

• Examples include stacks, queues, hash tables, and binary search trees.

Anonymous FTP allows users to access files on a server without providing login credentials.

• Users can download files without needing a username or password

• Can be used for public file sharing or distribution

• Can pose security risks if not properly configured

• Example: ftp://ftp.debian.org/debian/

Python is a high-level programming language known for its simplicity and readability. SQL is a language used for managing and querying databases.

• Python is used for web development, data analysis, artificial intelligence, and more

• SQL is used to retrieve and manipulate data stored in relational databases

• Python has a large standard library and a vibrant community of developers

• SQL can be used to create, read, update, and delete data in databases

B.P.O stands for Business Process Outsourcing. It involves outsourcing non-core business functions to a third-party service provider.

• B.P.O is a cost-effective way for companies to handle non-core business functions such as customer service, technical support, and back-office operations.

• Customer service is a crucial aspect of B.P.O as it involves handling customer queries, complaints, and providing support.

• B.P.O companies use various channels such as phone, email, chat, and so...read more

Java is a widely used programming language known for its platform independence and extensive libraries.

• Java is platform independent, meaning it can run on any operating system

• Java has a large standard library with pre-built classes and methods for common tasks

• Java is object-oriented, allowing for modular and reusable code

• Java supports multithreading, enabling concurrent execution of tasks

• Java has automatic memory management through garbage collection

• Java is widely used in ent...read more

Developed a web-based project management tool for a construction company.

• Used React for the frontend and Node.js for the backend

• Implemented user authentication and authorization using JWT

• Integrated with Google Maps API for location tracking

• Allowed users to create and assign tasks, set deadlines, and track progress

• Generated reports and analytics using Chart.js

To remove duplicate rows from BigQuery, use the DISTINCT keyword. To find the month of a given date, use the EXTRACT function.

• To remove duplicate rows, use SELECT DISTINCT * FROM table_name;

• To find the month of a given date, use SELECT EXTRACT(MONTH FROM date_column) AS month_name FROM table_name;

• Make sure to replace 'table_name' and 'date_column' with the appropriate values in your query.

Induction motors run at high speed at no load conditions

• Induction motors

• Asynchronous motors

• Squirrel cage motors

Google Assistant is a virtual assistant developed by Google that can engage in two-way conversations, answer questions, make recommendations, and perform tasks.

• Google Assistant is available on various devices such as smartphones, smart speakers, and smart displays.

• It can help users with tasks like setting reminders, sending messages, playing music, and controlling smart home devices.

• Google Assistant uses artificial intelligence and natural language processing to understand an...read more

Command to check IP address

• Use 'ipconfig' command on Windows

• Use 'ifconfig' command on Linux/Mac

• Check 'ip addr show' on Ubuntu

I am proficient in English and Spanish.

• English

• Spanish

I remain calm, listen actively, empathize, and find solutions to resolve the issue.

• Remain calm and composed

• Listen actively to understand the customer's concerns

• Empathize with the customer's situation

• Find solutions to resolve the issue, offering alternatives if necessary

A data store is a centralized location where data is stored and organized for easy retrieval and manipulation.

• Data store is used to store and manage large amounts of data.

• It can be a physical device like a hard drive or a virtual storage system.

• Data can be stored in various formats such as databases, files, or cloud storage.

• Data stores provide mechanisms for data access, retrieval, and modification.

• Examples of data stores include databases like MySQL, file systems like NTFS, ...read more

Control plane components in Kubernetes manage the cluster and make decisions about the state of the cluster.

• Control Manager: Ensures that the desired state of the cluster matches the actual state.

• Scheduler: Assigns workloads to nodes based on resource availability and constraints.

• API Server: Acts as the front-end for the Kubernetes control plane and is the primary interface for users and other components.

• etcd: Consistent and highly-available key-value store used as Kubernetes...read more

The importance of effective communication in customer service

• Effective communication builds trust and rapport with customers

• Active listening is key to understanding customer needs and concerns

• Clear and concise communication helps to resolve issues efficiently

• Using positive language and tone can enhance the customer experience

• Providing timely updates and follow-ups shows commitment to customer satisfaction

The operator used in Composer to move data from GCS to BigQuery is the GCS to BigQuery operator.

• The GCS to BigQuery operator is used in Apache Airflow, which is the underlying technology of Composer.

• This operator allows you to transfer data from Google Cloud Storage (GCS) to BigQuery.

• You can specify the source and destination parameters in the operator to define the data transfer process.

Lists are a data structure in Python that can hold multiple items. They are mutable, meaning their elements can be changed.

• Lists are enclosed in square brackets []

• Elements in a list can be of different data types

• Lists can be modified by adding, removing, or changing elements

• Example: my_list = ['apple', 'banana', 'cherry']

Databases are essential for storing and managing large amounts of data efficiently.

• Databases allow for easy organization and retrieval of data

• They provide data security and integrity

• Databases enable scalability and performance optimization

• Examples include MySQL, Oracle, MongoDB, and SQL Server

Topologies refer to the way in which devices are connected in a network. There are several types of topologies.

• Bus topology

• Star topology

• Ring topology

• Mesh topology

• Tree topology

• Hybrid topology

BPO stands for Business Process Outsourcing. It involves contracting specific business processes to a third-party service provider.

• BPO is the practice of outsourcing non-core business functions to external vendors

• It helps companies focus on their core competencies and reduce costs

• Common BPO services include customer support, technical support, data entry, and back-office operations

• BPO can be onshore, nearshore, or offshore depending on the location of the service provider

• Exam...read more