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10+ LTE Interview Questions and Answers

Updated 22 Feb 2025

Q1. If the TV remains in complete date condition then what to check first

Ans.

Check the power source and connections.

  • Check if the TV is properly plugged into a power outlet.

  • Ensure that the power cable is not damaged.

  • Verify if there is power supply to the outlet.

  • Check if the power switch on the TV is turned on.

  • Inspect the connections between the TV and any external devices.

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Q2. Difference b/w deep copy and shallow copy

Ans.

Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new object with references to the original nested objects.

  • Deep copy creates a new object and recursively copies all nested objects, resulting in a completely independent copy.

  • Shallow copy creates a new object but only copies the references to nested objects, so changes in nested objects reflect in both the original and copied objects.

  • Example: deep copy - JSON.parse(JSON...read more

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Q3. Difference null undefined empty values in js

Ans.

null is an intentional absence of any value, undefined means a variable has been declared but not assigned a value, and empty values are variables that have been assigned a value of empty string, empty array, or empty object.

  • null is used to represent the intentional absence of any value

  • undefined means a variable has been declared but not assigned a value

  • Empty values can be empty string (''), empty array ([]), or empty object ({})

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Q4. SDWAN connectivity through cisco router

Ans.

SDWAN connectivity through Cisco router involves configuring the router to support SDWAN technology.

  • Configure the router to support SDWAN technology

  • Ensure the router has the necessary hardware and software capabilities

  • Configure the SDWAN policies and rules on the router

  • Test and verify the connectivity and performance of the SDWAN network

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Q5. What are quality tools to analyse any defects

Ans.

Some quality tools to analyze defects include Pareto analysis, Fishbone diagram, 5 Whys, Scatter diagram, and Control charts.

  • Pareto analysis helps identify the most significant causes of defects by focusing on the vital few versus the trivial many.

  • Fishbone diagram (Ishikawa diagram) helps visualize all possible causes of a problem to identify root causes.

  • 5 Whys technique involves asking 'why' multiple times to get to the root cause of a defect.

  • Scatter diagram helps identify p...read more

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Q6. Difference between foreach and map

Ans.

foreach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.

  • foreach does not return a new array, while map does

  • foreach is used for side effects, while map is used for transformation

  • Example: forEach - let numbers = [1, 2, 3]; numbers.forEach(num => console.log(num)); // prints 1, 2, 3

  • Example: map - let numbers = [1, 2, 3]; let doubled = numbers.map(num => num * 2); // doubled is [2, 4, 6]

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Q7. How much big size panel in tcl

Ans.

TCL offers big size panels in various sizes, including 65 inches and 75 inches.

  • TCL offers big size panels in sizes such as 65 inches and 75 inches.

  • The exact size of the big panels may vary depending on the specific model.

  • Customers can choose from a range of big size panels to suit their needs.

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Q8. Is Technical Support also a Customer Service?

Ans.

Yes, Technical Support is a form of Customer Service as it involves assisting customers with technical issues.

  • Technical Support involves providing assistance to customers with technical issues or problems.

  • Customer Service involves addressing customer needs and concerns to ensure satisfaction.

  • Technical Support often requires strong communication and problem-solving skills, similar to Customer Service.

  • Both Technical Support and Customer Service aim to provide a positive experie...read more

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Q9. How to make a line failure less

Ans.

To make a line failure less, proper maintenance, regular inspections, and using high-quality materials are essential.

  • Regularly inspect the line for any signs of wear or damage

  • Use high-quality materials for construction or repair of the line

  • Implement a preventive maintenance schedule to address potential issues before they become failures

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Q10. What are class and functional components

Ans.

Class components are ES6 classes that extend React.Component and have a render method. Functional components are simple functions that return JSX.

  • Class components are created using ES6 classes and have a state property.

  • Functional components are stateless and do not have a state property.

  • Class components can have lifecycle methods like componentDidMount, componentDidUpdate, etc.

  • Functional components are simpler and easier to read compared to class components.

  • Example: Class com...read more

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Q11. Where is tcl headquarter

Ans.

TCL's headquarters is located in Huizhou, Guangdong, China.

  • TCL's headquarters is in Huizhou, Guangdong, China.

  • Huizhou is a city in the Guangdong province of China.

  • TCL is a multinational electronics company known for its TVs and smartphones.

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Q12. What is Tcl

Ans.

Tcl is a scripting language commonly used for rapid prototyping, testing, and automation.

  • Tcl stands for Tool Command Language.

  • It is often used for writing scripts to automate tasks or for creating GUI applications.

  • Tcl is known for its simplicity and ease of use.

  • Example: Tcl script to automate file processing tasks.

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Q13. Have you ever used hooks?

Ans.

Yes, I have used hooks extensively in my React Native projects.

  • Yes, I have used useState hook to manage component state.

  • Yes, I have used useEffect hook for side effects like data fetching.

  • Yes, I have used custom hooks to reuse logic across components.

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Q14. Radio communications its perks and disadvantages

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Q15. Basic features in tcl

Ans.

Tcl is a scripting language known for its simplicity and ease of use.

  • Tcl is interpreted, not compiled

  • It supports procedural, object-oriented, and functional programming

  • Tcl has built-in support for regular expressions

  • It is commonly used for automation, testing, and rapid prototyping

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Q16. Process method how manage line

Ans.

Managing the process line involves implementing efficient methods to ensure smooth operations and quality output.

  • Establish clear standard operating procedures (SOPs) for each process step

  • Regularly monitor and analyze data to identify any deviations or issues

  • Implement corrective actions promptly to address any problems

  • Train and educate staff on proper procedures and best practices

  • Utilize quality control measures to ensure consistency and reliability

  • Collaborate with other depar...read more

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Q17. What is the VPN network

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Q18. Networks of LAN MAN and WAN

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