FIS Senior Test Engineer Lead Interview Questions and Answers

Q1. Remove duplicates in an array
Ans. 
Use a hash set to remove duplicates in an array of strings
• Create a hash set to store unique elements

• Iterate through the array and add each element to the hash set

• Convert the hash set back to an array to get the unique elements
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Q2. What is react virtual DOM
Ans. 
React virtual DOM is a lightweight copy of the actual DOM, used for efficient updates and rendering in React applications.
• Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.

• React uses virtual DOM to efficiently update and render components without directly manipulating the actual DOM.

• When changes are made to the virtual DOM, React calculates the most efficient way to update the act...read more
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Q3. React hooks with example
Ans. 
React hooks are functions that let you use state and other React features without writing a class.
• React hooks were introduced in React 16.8 to allow functional components to have state and lifecycle methods.

• useState() is a hook that allows you to add state to functional components.

• useEffect() is a hook that allows you to perform side effects in functional components.

• useContext() is a hook that allows you to use the con...read more
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Q1. Questions on core java concepts
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Q2. Questions on SQL and Springboot
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Q1. Questions on Collection framework.
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Q2. Questions on Springboot and core java
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Q1. Scenario based question
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Q2. Stream API questions
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Round robin base in os schedule

Q1. How are partitions assigned in Kafka?
Ans. 
Partitions in Kafka are assigned based on the number of partitions specified when creating a topic.
• Partitions are assigned to brokers in a round-robin fashion.

• The number of partitions should be a multiple of the number of brokers to ensure even distribution.

• Reassignment of partitions can be done manually using the Kafka Reassign Partitions tool.
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Q2. Have you ever use terraform?
Ans. 
Yes, I have experience using Terraform for infrastructure as code.
• I have used Terraform to provision and manage infrastructure resources in a declarative manner.

• I have written Terraform configuration files to define the desired state of infrastructure components.

• I have used Terraform to automate the deployment of cloud resources such as virtual machines, storage, and networking.

• I have experience with Terraform modules ...read more
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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
Ans. 
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
Ans. 
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
Ans. 
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
Ans. 
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
Ans. 
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
Ans. 
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
Ans. 
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
Ans. 
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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Q1. Java Persistence API
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Q2. Functional Interface
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Q1. Programming questions related to tech stack
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Q1. Project discussion
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Q1. Salary discussion and later it's not offered salary waste of time attending this company interview
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Q1. How to critical things in your project
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Q1. Expected Facilities
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