70+ Wipro Enterprises Ltd Interview Questions and Answers

Display days of each month based on user input in OAF page.

• Get the month name input from user

• Use Java Calendar class to get number of days in the month

• Create an array of strings to store the days

• Loop through the days and display them on the page

Implement validation checks before saving data to restrict user from entering wrong data.

• Implement client-side validation checks using JavaScript to ensure data entered is in correct format.

• Implement server-side validation checks to ensure data entered is valid and meets business rules.

• Display error messages to the user if data entered is incorrect.

• Disable the save button until all validation checks have passed.

As a team leader, I would address the issue by identifying the root cause, providing feedback and support, and exploring potential solutions.

• Communicate with the team member to understand the reasons behind their poor performance

• Provide constructive feedback and guidance to help them improve

• Offer additional training or resources if necessary

• Reassign tasks or adjust workload to better suit their strengths

• Encourage open communication and create a supportive team environment

• Seek...read more

Oracle provides steps to avoid custom part of workflow from being overridden.

• Use the 'freeze' feature to lock the workflow and prevent changes

• Use the 'versioning' feature to create multiple versions of the workflow

• Use the 'access control' feature to restrict access to the workflow

• Use the 'approval' feature to require approval before changes can be made

• Use the 'audit trail' feature to track changes made to the workflow

The company is not onboarding 2022 pass out students due to the current economic uncertainties and hiring freeze.

• Current economic uncertainties have led to a hiring freeze.

• The company may be focusing on retaining current employees rather than hiring new ones.

• There could be budget constraints affecting the recruitment process.

• The company may be waiting for a more stable economic environment before hiring new graduates.

Organizations may implement policies like LOP for various reasons such as cost-cutting, productivity improvement, or compliance.

• Cost-cutting measures to reduce expenses

• Improving productivity by monitoring employee attendance

• Ensuring compliance with labor laws and regulations

• Addressing specific issues within the organization

VO and CO extensions are steps in SAP implementation for customizing business processes.

• VO (View Override) extension is used to modify the standard SAP screens and add custom fields or change the layout.

• CO (Customer Object) extension is used to create custom objects in SAP and link them to standard objects.

• VO and CO extensions are done using the Enhancement Framework in SAP.

• VO and CO extensions are important for customizing SAP to meet specific business requirements.

• Examples ...read more

Error we get when we do VO extension.

• The error occurs when we try to extend a VO that is already extended.

• The error message is 'oracle.jbo.TooManyObjectsException: JBO-25014: Another user has changed the row with primary key'.

• This error can be resolved by refreshing the VO or by using a different VO extension.

• It is important to ensure that VO extensions are used correctly to avoid this error.

Steps for upgrading OAF page from 11i to R12

• Identify the customizations made in the OAF page

• Analyze the changes in the OAF framework between 11i and R12

• Update the code to comply with the new OAF framework

• Test the upgraded OAF page thoroughly

KTA is a platform for capturing, processing, and managing various types of content.

• KTA stands for Kofax TotalAgility, a platform for intelligent automation.

• The capture process in KTA involves scanning, classifying, extracting, validating, and exporting data.

• Locators used in the process include barcode recognition, OCR, ICR, OMR, and image processing techniques.

• For example, barcode recognition locates and reads barcodes on documents to extract relevant information.

We attract consumers by understanding their needs and preferences, creating compelling messaging, and utilizing various marketing channels.

• Conduct market research to understand consumer needs and preferences

• Develop a unique value proposition and messaging that resonates with the target audience

• Utilize various marketing channels such as social media, email marketing, and advertising to reach consumers

• Create engaging content such as videos, blog posts, and infographics to showc...read more

To build yourself as a software developer, focus on continuous learning, practice, and collaboration.

• Stay updated with the latest technologies and trends in the industry.

• Practice coding regularly and work on personal projects to improve your skills.

• Collaborate with other developers and participate in open-source projects.

• Attend conferences, workshops, and meetups to network and learn from others.

• Develop good communication and problem-solving skills.

• Be open to feedback and con...read more

Citrix is a virtualization technology, Ping ID is a multi-factor authentication solution, and VPN is a secure network connection.

• Citrix allows users to access applications and desktops remotely

• Ping ID provides an additional layer of security by requiring multiple forms of authentication

• VPN creates a secure connection between a user's device and a private network

• Examples of VPNs include OpenVPN and Cisco AnyConnect

I can give a demo of our products by showcasing their features, benefits, and how they solve customer problems.

• Prepare a presentation highlighting the key features and benefits of the products

• Demonstrate the products' functionality and ease of use

• Provide real-life examples or case studies to showcase the products' effectiveness

• Address any potential concerns or objections the customer may have

• Offer a hands-on experience or trial period for the customer to test the products the...read more

To deal with a situation when a developer is not talking with your task, you can take the following steps:

• Initiate communication with the developer to understand the reason for the lack of communication

• Offer assistance or ask if they need any clarification or support with the task

• Discuss the importance of communication and collaboration in a team

• Involve the project manager or team lead if necessary

• Document the lack of communication and its impact on the task for future refere...read more

Support on production involves monitoring, troubleshooting, and resolving issues to ensure smooth operation of RPA processes.

• Monitor production environment regularly for any issues or errors

• Troubleshoot issues by analyzing logs, code, and system configurations

• Resolve issues promptly to minimize downtime and impact on business operations

• Communicate with stakeholders and end-users to understand and address their concerns

• Document solutions and best practices for future reference

Time saved depends on complexity of problem and quality of data. Can range from hours to weeks.

• Time saved is directly proportional to the quality of data and complexity of the problem

• Simple problems with clean data can be solved in a matter of hours

• Complex problems with messy data can take weeks or even months to solve

• Efficient observation techniques and data cleaning can significantly reduce time taken to find a solution

RowImpl methods for validation handling.

• RowImpl has methods like validate(), validateAttribute(), validateValue() for validation handling.

• validate() method validates all attributes of a row.

• validateAttribute() method validates a specific attribute of a row.

• validateValue() method validates a specific value of a row.

• These methods can be customized to add custom validation rules.

Ultrafiltration is a process used to separate suspended solids and solutes of high molecular weight from water. Activated carbon filters remove organic compounds and chlorine from water.

• Ultrafiltration is a type of membrane filtration where hydrostatic pressure forces a liquid against a semipermeable membrane to separate particles.

• Activated carbon filters use a bed of activated carbon to remove impurities and contaminants from water by adsorption.

• Ultrafiltration is commonly u...read more

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

• Proficient in Java for backend development

• Experienced in Python for data analysis and scripting

• Skilled in SQL for database management and querying

Typing speed requirements vary depending on the specific job role and industry.

• Typing speed requirements can range from 40 to 80 words per minute.

• Some positions may require a higher typing speed, such as data entry roles.

• Accuracy is also important along with speed in typing tasks.

• Proficiency in typing software like Microsoft Word or Excel may be necessary.

• Some companies may conduct typing tests during the interview process.

Yes, I have experience with scripting in various languages such as Python, JavaScript, and PowerShell.

• I have used Python for automating tasks and data manipulation.

• I have utilized JavaScript for web scraping and automation.

• I have experience with PowerShell for Windows automation and scripting.

Interfaces in Golang define a set of methods that a type must implement

• Interfaces in Golang are a way to achieve polymorphism

• They allow different types to be treated as the same type if they implement the same set of methods

• Example: defining an interface 'Shape' with methods like 'Area()' and 'Perimeter()', and implementing it for types like 'Circle' and 'Rectangle'

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

• BPO helps companies reduce costs and improve efficiency by outsourcing non-core business functions such as customer service, data entry, and accounting.

• The work process of BPO involves identifying the business processes that can be outsourced, selecting a suitable service provider, and setting up a contract with them.

• BPO is popular in indu...read more

SPEL stands for Spring Expression Language and is used for evaluating expressions at runtime.

• SPEL is used in Spring Framework for configuring beans and annotations.

• It supports various operators, functions, and variables.

• Example: #{2 + 3} will evaluate to 5.

• Example: #{T(java.lang.Math).PI} will evaluate to the value of PI.

• Example: #{myBean.property} will evaluate to the value of the property of myBean.

RO stands for Reverse Osmosis, a water purification technology. Membrane is a semi-permeable barrier used in RO process.

• RO is a water treatment process that uses a partially permeable membrane to remove ions, molecules, and larger particles from drinking water.

• Membrane is a thin layer of material that acts as a barrier, allowing certain substances to pass through while blocking others.

• Examples of membranes used in RO include cellulose acetate, polyamide, and thin film composi...read more

Program to reverse a string in Java

• Create a StringBuilder object with the given string

• Use the reverse() method of StringBuilder to reverse the string

• Convert the StringBuilder object back to string using toString() method

Basic mechanical material properties include strength, stiffness, toughness, ductility, and hardness.

• Strength: ability to withstand stress without deformation or failure

• Stiffness: resistance to deformation under load

• Toughness: ability to absorb energy before fracture

• Ductility: ability to deform under tensile stress without fracture

• Hardness: resistance to indentation or scratching

Questions related to AIX administration including T factor, Nim machine, OS migration, LPAR and DLPAR operations, and LVM.

• T factor is used to calculate the number of processors required for a workload on AIX

• Nim machine is used for network installation management on AIX

• OS migration involves moving from one version of AIX to another or from another operating system to AIX

• LPAR (Logical Partitioning) allows for multiple virtual servers to run on a single physical server

• DLPAR (Dyn...read more

DHCP is a network protocol that automatically assigns IP addresses to devices on a network. DOMAIN Name is a unique name that identifies a website or network.

• DHCP stands for Dynamic Host Configuration Protocol

• It allows devices to obtain IP addresses, subnet masks, and other network configuration settings automatically

• DHCP servers manage a pool of available IP addresses and lease them to devices on the network

• DOMAIN Name is a human-readable name that corresponds to the IP addr...read more

Angular life cycle, component communication, directives, and components are key concepts in Angular development.

• Angular life cycle includes ngOnChanges, ngOnInit, ngDoCheck, ngOnDestroy, etc.

• Component communication can be achieved using @Input, @Output, services, or event emitters.

• Directives in Angular are used to add behavior to DOM elements.

• Components are the building blocks of Angular applications, each representing a part of the UI.

• Example: Using @Input to pass data from ...read more

To upgrade Windows, go to Settings > Update & Security > Windows Update. To install Outlook, use the Office installer.

• Go to Settings

• Click on Update & Security

• Click on Windows Update

• Click on Check for updates

• Download and install the available updates

• To install Outlook, use the Office installer

• Follow the prompts to complete the installation

A class is a blueprint for creating objects in Java. Java uses references instead of pointers.

• A class is a user-defined data type that encapsulates data and methods

• Java uses the 'new' keyword to create objects from a class

• References in Java point to objects in memory, but Java does not have direct access to memory addresses like pointers in C/C++

To install IOS, you need to connect your device to a stable Wi-Fi network and follow the on-screen instructions.

• Connect your device to a stable Wi-Fi network

• Go to Settings > General > Software Update

• Tap Download and Install

• Enter your passcode if prompted

• Agree to the terms and conditions

• Wait for the update to download and install

• Restart your device if necessary

Accounting is the process of recording, classifying, and summarizing financial transactions to provide useful information to stakeholders.

• Types of accounting include financial accounting, management accounting, tax accounting, and forensic accounting.

• Financial accounting focuses on preparing financial statements for external stakeholders.

• Management accounting provides financial information to internal stakeholders to aid in decision-making.

• Tax accounting deals with tax-relate...read more

An air-conditioning example is a system that cools and dehumidifies air in a building or vehicle.

• Air conditioning systems use refrigerants to cool the air

• They remove heat and moisture from the air to create a comfortable indoor environment

• Examples include central air conditioning units, window units, and portable air conditioners

To check errors in RPA development, one can use logging, exception handling, debugging tools, and testing techniques.

• Utilize logging to track and record errors during the execution of RPA processes.

• Implement exception handling to gracefully manage errors and prevent process failures.

• Use debugging tools like breakpoints, step-through debugging, and variable inspection to identify and fix errors.

• Apply testing techniques such as unit testing, integration testing, and end-to-end ...read more

Inheritance is a mechanism in Java OOPs where a new class is derived from an existing class.

• Inheritance allows the new class to inherit the properties and methods of the existing class.

• The existing class is called the superclass or parent class, while the new class is called the subclass or child class.

• The subclass can add new properties and methods, or override the existing ones.

• The keyword 'extends' is used to create a subclass.

• Example: class Dog extends Animal { //subclass...read more

DLLs are dynamic link libraries used in the process for accessing external functions or resources.

• DLLs are used to modularize code and allow for code reusability.

• They are commonly used in RPA processes to interact with external applications or systems.

• Examples of DLLs used in RPA processes include UIAutomation.dll for automating UI interactions and Excel.dll for working with Excel files.

Private companies are owned by a small group of individuals and do not trade shares publicly, while public companies are owned by shareholders and trade shares on the stock market.

• Private companies have fewer regulatory requirements compared to public companies.

• Public companies have more transparency as they are required to disclose financial information to the public.

• Private companies have more flexibility in decision-making as they are not accountable to shareholders.

• Exampl...read more

Inorder, Preorder, and Postorder are tree traversal techniques used to visit each node in a tree.

• Inorder: Left subtree -> Root -> Right subtree

• Preorder: Root -> Left subtree -> Right subtree

• Postorder: Left subtree -> Right subtree -> Root

SMPS stands for Switched Mode Power Supply.

• SMPS is a type of power supply that uses switching devices to convert electrical power efficiently.

• It is commonly used in electronic devices such as computers, televisions, and mobile phones.

• SMPS operates by rapidly switching the input voltage on and off to regulate the output voltage.

• It provides a stable and regulated power supply to the components of a device.

• SMPS is more efficient and compact compared to traditional linear power s...read more

Immunosuppressive drugs are medications that suppress or reduce the strength of the body's immune system.

• Used to prevent rejection of transplanted organs

• Treat autoimmune diseases

• Common examples include corticosteroids, calcineurin inhibitors, and antimetabolites

An account is a record of financial transactions of an individual or organization.

• Accounts are used to track income, expenses, assets, and liabilities.

• There are different types of accounts such as checking, savings, and credit card accounts.

• Accounts are usually maintained using accounting software or spreadsheets.

• Accounts are important for financial planning and decision-making.

• Examples of accounts include accounts payable, accounts receivable, and general ledger accounts.

There are various SAP codes that can be used depending on the specific module and function.

• SAP FI (Financial Accounting) codes include F-02 for posting journal entries and F-22 for creating customer invoices

• SAP MM (Materials Management) codes include ME21N for creating purchase orders and ME23N for displaying purchase orders

• SAP SD (Sales and Distribution) codes include VA01 for creating sales orders and VA02 for changing sales orders

• SAP HCM (Human Capital Management) codes in...read more

C is a procedural language while Java is an object-oriented language.

• C is compiled while Java is interpreted

• C has pointers while Java does not

• Java has automatic garbage collection while C does not

• Java has platform independence while C does not

• Java has built-in exception handling while C does not

Product development approach is a systematic process of creating and improving products.

• Identify customer needs and market trends

• Conduct research and gather data

• Create a prototype and test it

• Refine the design and test again

• Manufacture and launch the product

• Continuously improve the product based on feedback

• Examples: Agile, Waterfall, Design Thinking

Azure DevOps is a set of development tools used for software development, collaboration, and project management.

• Azure DevOps includes services such as Azure Repos, Azure Pipelines, Azure Boards, Azure Artifacts, and Azure Test Plans.

• It allows for continuous integration and continuous delivery (CI/CD) pipelines to automate the software delivery process.

• Teams can use Azure DevOps to plan, track, and collaborate on projects, as well as manage code repositories and build and rele...read more

GitHub is a web-based platform for version control and collaboration on software development projects.

• Web-based platform for version control

• Allows collaboration on software development projects

• Supports features like issue tracking, pull requests, and code review

• Popular among developers for hosting code repositories

DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to shorten the systems development life cycle.

• DevOps focuses on collaboration, automation, and integration between developers and IT operations teams.

• It aims to improve the speed and quality of software delivery by breaking down silos and promoting continuous delivery.

• Tools commonly used in DevOps include Jenkins, Docker, Kubernetes, and Ansible.

• DevOps practices incl...read more

DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to shorten the systems development life cycle.

• DevOps focuses on collaboration, automation, and integration between developers and IT operations teams.

• It aims to improve the speed and quality of delivering software applications.

• DevOps practices include continuous integration, continuous delivery, and infrastructure as code.

• Tools commonly used in DevOps include Jenkins...read more

I am proficient in programming languages such as Java, Python, and C++.

• Java

• Python

• C++

Yes, I am willing to relocate for the right opportunity.

• I am open to exploring new locations for work

• I am willing to move to a new city or state

• I understand that relocation may be necessary for certain projects

• I am excited about the prospect of working in a new environment

Parameters are variables that can be measured or controlled in a system, process, or experiment.

• Parameters are used to define the characteristics or behavior of a system.

• They can be adjusted or monitored to achieve desired outcomes.

• Examples include temperature, pressure, flow rate, pH level, etc.

I am a project engineer with experience in managing complex projects and leading cross-functional teams.

• I have a Bachelor's degree in Engineering and a PMP certification

• I have successfully managed projects with budgets ranging from $1M to $10M

• I am skilled in using project management tools such as MS Project and JIRA

• I have experience in leading teams of up to 20 members

• I am a strong communicator and have excellent problem-solving skills

Jenkins and JUnit serve different purposes and cannot be compared.

• Jenkins is a continuous integration tool used for building, testing, and deploying software.

• JUnit is a unit testing framework used for testing individual units of code.

• Jenkins can be used to automate the execution of JUnit tests as part of a larger build process.

• Jenkins provides a centralized platform for managing builds and test results.

• JUnit is just one of many testing frameworks that can be used with Jenkins...read more

Expectation for Senior Project Engineer role

• To lead and manage projects from start to finish

• To ensure projects are completed within budget and on time

• To communicate effectively with stakeholders and team members

• To identify and mitigate project risks

• To continuously improve project management processes

• To mentor and develop junior engineers

My current CTC is $80,000 per year.

• My current CTC is $80,000 per year

• I am currently earning $80,000 annually

• My current salary package is $80,000 per annum

Conditional access is a feature in Office 365 that allows administrators to control access to resources based on specific conditions.

• Allows administrators to set policies for accessing resources based on conditions like user location, device compliance, and sign-in risk level

• Helps enhance security by ensuring that only authorized users with compliant devices can access sensitive data

• Can be used to enforce multi-factor authentication or block access from risky locations

MongoDB JavaScript query to find documents with a specific field value

• Use the find() method to query the collection

• Pass in a query object with the field and value to search for

• Example: db.collection.find({field: value})

Centroid activation function is used in clustering algorithms to determine the centroid of a cluster.

• Centroid activation function is used in unsupervised learning algorithms like K-means clustering.

• It calculates the centroid of a cluster by taking the mean of all the data points in the cluster.

• The function is used to update the centroid in each iteration of the clustering algorithm.

• It is a simple and efficient way to find the center of a cluster.

Polymorphism is the ability of a single function or method to operate on different types of data.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types.

• Examples include method overloading and method overriding in object-oriented programming.

Trees are perennial plants with a single stem or trunk, supporting branches and leaves.

• Trees are important for the environment as they absorb carbon dioxide and produce oxygen.

• They can be deciduous or evergreen, and can grow to different heights and widths.

• Examples of trees include oak, maple, pine, and palm trees.

CORS stands for Cross-Origin Resource Sharing, a mechanism that allows resources on a web page to be requested from another domain.

• CORS is used to enable secure cross-origin requests in web browsers.

• It allows servers to specify who can access their resources.

• CORS is implemented using HTTP headers like Access-Control-Allow-Origin.

• Example: If a website on domain A wants to make a request to a server on domain B, CORS allows the server on domain B to specify that requests from d...read more

SAP is used on a daily basis for various business operations.

• SAP is used for financial accounting and reporting

• It is used for managing inventory and supply chain

• SAP is used for human resource management

• It is also used for customer relationship management

• Examples include creating purchase orders, processing invoices, and generating financial statements

ADR - Adverse Drug Reaction, AE - Adverse Event, SAE - Serious Adverse Event, PSUR - Periodic Safety Update Report, SUSAR - Suspected Unexpected Serious Adverse Reaction

• ADR refers to any harmful or unintended reaction to a drug or medication

• AE is any untoward medical occurrence in a patient or clinical investigation subject

• SAE is an AE that results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persist...read more

Antihypertensive drugs are classified based on their mechanism of action and include diuretics, beta blockers, ACE inhibitors, calcium channel blockers, and angiotensin II receptor blockers.

• Diuretics: Increase urine production to reduce blood volume and lower blood pressure (e.g. hydrochlorothiazide)

• Beta blockers: Block the effects of adrenaline to reduce heart rate and blood pressure (e.g. metoprolol)

• ACE inhibitors: Block the production of angiotensin II to relax blood vesse...read more

Selenium IDE is a record and playback tool for automating web browser interactions.

• Selenium IDE is a Firefox plugin

• It allows users to record and playback interactions with a web browser

• Tests can be exported in various programming languages

• It is useful for automating repetitive tasks and regression testing

Entering the IT sector requires a combination of education, skills, and experience.

• Obtain a degree in computer science or a related field

• Develop technical skills through internships, online courses, or personal projects

• Gain experience through entry-level positions or freelance work

• Network with professionals in the industry and attend job fairs

• Stay up-to-date with the latest technologies and trends

A proxy server acts as an intermediary between clients and servers, forwarding requests and responses.

• Proxy servers can be used for anonymity, security, and caching.

• They can filter requests based on IP address, domain, or content.

• Examples include Squid, Nginx, and Apache.

• Proxy servers can also be used to bypass geo-restrictions or access blocked websites.

OOPS concepts in Java include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation details and showing only the necessary features of an object.

My degree project was a web application for managing and tracking personal finances.

• Developed using React.js and Node.js

• Implemented user authentication and authorization

• Integrated with Plaid API for bank account linking and transaction data retrieval

• Included features such as budget tracking and goal setting