Capgemini Engineering Technical Lead Interview Questions and Answers

Q1. Questions about Interfaces,, Abstract Classes, Multi-Threading, Parallel Programming concepts, SQL Server
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Q1. Questions about Design Patterns, SOLID Principles, Extension Methods, LINQ, Entity Framework
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Q1. Questions about current project and my roles and responsibilities, my salary structure, my aspirations whether I want to be Architect or just Team Lead.
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Q1. My CTC and ECTC, and asked for negotiation, to which I said yes and accepted the compensation they can offer to me. But still offer letter not released without giving any reason.
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Q1. Sql queries join and left join
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Q1. Introduce yourself
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Q1. SOA vs Micro Service
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SOA focuses on large, monolithic services while Microservices are small, independent services.
• SOA is a centralized architecture with shared services, while Microservices are decentralized with each service having its own database.

• SOA is typically implemented using ESB (Enterprise Service Bus), while Microservices communicate via lightweight protocols like HTTP or messaging queues.

• SOA is more suitable for large enterpri...read more
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Round robin base in os schedule

Q1. Is live data is life cycle aware. If it's aware what does ViewModel do?
Ans. 
Yes
• LiveData is lifecycle aware and can be used to observe changes in data.

• ViewModel provides a way to store and manage UI-related data across configuration changes.

• ViewModel can hold LiveData objects to provide data to the UI.

• LiveData and ViewModel work together to ensure data consistency and prevent memory leaks.
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Q2. How does viewmodel survive when activity is destroyed on configuration?
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The ViewModel survives configuration changes by being retained by the system.
• ViewModels are designed to survive configuration changes like screen rotations or language changes.

• When an activity is destroyed and recreated, the ViewModel is not destroyed and retains its data.

• The ViewModel is associated with the activity's lifecycle and is retained until the activity is finished.

• The retained ViewModel instance can be acces...read more
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Q3. Advantage of mvp over mvc.
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MVP offers better separation of concerns and easier unit testing compared to MVC.
• MVP separates the presentation layer from the business logic, making it easier to maintain and modify the codebase.

• MVP allows for easier unit testing as the presenter can be tested independently from the view.

• MVP provides better decoupling between components, enabling easier code reuse and scalability.

• MVP promotes a clear separation of con...read more
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Q4. How does SSL pinning works?
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SSL pinning is a security technique that ensures a client only communicates with a server using a pre-defined public key.
• SSL pinning involves hardcoding the server's public key in the client's code or configuration.

• During the SSL handshake, the client checks if the server's public key matches the pinned key.

• If the keys match, the connection is established; otherwise, it is rejected.

• Pinning prevents man-in-the-middle at
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Q5. How do you achieve data security when saving data persistanly.
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Data security can be achieved through encryption, access controls, backups, and regular security audits.
• Encrypt sensitive data using strong encryption algorithms.

• Implement access controls to restrict unauthorized access to the data.

• Regularly backup the data to prevent data loss.

• Conduct regular security audits to identify and fix vulnerabilities.

• Use secure protocols and communication channels for data transfer.

• Implement...read more
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Q6. Where to save encription key?
Ans. 
Encryption keys should be securely stored in a separate key management system.
• Encryption keys should not be stored alongside the encrypted data.

• Use a dedicated key management system (KMS) to store and manage encryption keys.

• Implement strong access controls and authentication mechanisms for the KMS.

• Consider using hardware security modules (HSMs) for added security.

• Regularly rotate encryption keys to minimize the impact
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Q1. Spring batch questions Questions related to asynch process
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Q2. Java 8 stream api questions
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Q1. Technical and customer support
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Q2. Technical and customer service
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Q3. Technical and customer support and best service
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Q4. Good as hp company looking good
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Q5. Conduction and good luck
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Q6. What required your location
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Q7. Required the last CTC
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Q8. What mantion other looking good
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Q9. It's more then abut keep writing
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Q1. What's is cartridge and what is use
Ans. 
A cartridge is a container holding a consumable material, such as ink or toner, used in printers or electronic devices.
• Cartridges are commonly used in printers to hold ink or toner for printing documents.

• They can also be used in electronic devices like gaming consoles to hold game data or memory.

• Cartridges are easily replaceable and come in various sizes and types depending on the device they are used in.
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Q2. Witch technology use as laserjet printer
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Laserjet printers use laser technology to print documents.
• Laser technology is used to create an image on a drum which is then transferred to paper

• Toner is used to create the image on the drum

• Common brands include HP LaserJet, Canon imageCLASS, and Brother HL-L2320D
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Q3. What's inkjet printer
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An inkjet printer is a type of printer that sprays tiny droplets of ink onto paper to create text and images.
• Uses liquid ink cartridges

• Produces high-quality color prints

• Commonly used for home and office printing

• Can be used for printing photos
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Q4. What's all-in on printer
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Going all-in on a printer means investing heavily in a high-quality printer setup.
• Investing in top-of-the-line printer hardware and accessories

• Opting for professional-grade printing software

• Committing to regular maintenance and upgrades

• Utilizing advanced printing techniques like color calibration and high-resolution printing

• Ensuring proper training for users to maximize printer capabilities
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Q5. What's defferent in inkjet printer
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Inkjet printers use liquid ink sprayed through tiny nozzles onto paper to create images or text.
• Inkjet printers use liquid ink cartridges to create images or text on paper

• The ink is sprayed onto the paper through tiny nozzles in the print head

• Inkjet printers are commonly used for home or small office printing tasks
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Q6. What's defferent lejarjet
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It seems like the question is not clear or may contain a typo.
• Ask for clarification on the question to ensure understanding.

• Request the interviewer to provide more context or rephrase the question.

• Avoid making assumptions and seek clarity before responding.
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Q7. What's this cartridge
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A cartridge is a small container holding a specific type of material, such as ink or ammunition, designed to be easily inserted into a larger device.
• Cartridges are commonly used in printers to hold ink for printing documents.

• Ammunition cartridges are used in firearms to hold bullets and gunpowder for firing.

• Video game consoles use cartridges to store and play games.
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Q8. What's defferent inkjet cartridge
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Inkjet cartridges differ in terms of compatibility, capacity, quality, and price.
• Compatibility with specific printer models

• Capacity of ink (standard, high yield, XL)

• Quality of ink (original vs. remanufactured)

• Price range based on brand and features
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Q9. What deferent lasjer jet print
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Different types of laser jet printers use various technologies to print documents.
• Different laser jet printers use different types of laser technology such as LED, solid-state, and gas lasers.

• Some laser jet printers use toner cartridges while others use liquid ink.

• Laser jet printers can vary in print speed, resolution, and connectivity options.

• Examples include HP LaserJet Pro M15w (LED technology), Brother HL-L2395DW (...read more
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Q10. How to wark in lane port
Ans. 
Working in lane port involves coordinating with team members to ensure smooth workflow and timely completion of tasks.
• Communicate effectively with team members to assign tasks and track progress

• Prioritize tasks based on deadlines and importance

• Collaborate with other departments to gather necessary information or resources

• Regularly review and adjust project timelines to meet goals

• Provide support and guidance to team mem
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Q11. What is ip address use in
Ans. 
IP addresses are used to uniquely identify devices on a network.
• Used for identifying devices on a network

• Helps in routing data packets to the correct destination

• Can be static or dynamic depending on the network configuration
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Q12. We have use only DHCP ip address
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