YuppTV Scala Developer Interview Questions and Answers

RF stands for Radio Frequency, a technology used for wireless communication and data transmission.

• RF is commonly used in various applications such as WiFi, Bluetooth, and cellular networks.

• RF signals are transmitted through antennas and can travel long distances.

• RF technology is also used in RFID systems for tracking and identification purposes.

Key Performance Indicators (KPIs) in BPO measure efficiency, quality, and customer satisfaction to drive operational success.

• Average Handling Time (AHT): Measures the average duration taken to resolve customer queries.

• First Call Resolution (FCR): Percentage of issues resolved on the first contact, indicating efficiency.

• Customer Satisfaction Score (CSAT): Surveys post-interaction to gauge customer satisfaction levels.

• Se...read more

String is immutable, while StringBuilder is mutable and more efficient for concatenating strings.

• String is immutable, meaning once created, its value cannot be changed. StringBuilder is mutable, allowing for modifications without creating new objects.

• String concatenation creates a new string object each time, while StringBuilder modifies the existing object directly.

• StringBuilder is more efficient for concatenating mul...read more

Async and await are keywords in JavaScript used to work with asynchronous code.

• Async is used to define a function as asynchronous, allowing it to run in the background without blocking the main thread.

• Await is used to pause the execution of an async function until a Promise is settled, and then resumes the function with the resolved value.

• Async/await is a more readable and cleaner way to write asynchronous code compare...read more

Optical planning involves managing projects, materials, and manpower for optical fiber cable installations.

• Optical planning focuses on designing and implementing optical fiber cable projects.

• Material management includes procuring, storing, and distributing necessary materials for the projects.

• Manpower management involves assigning tasks, scheduling work, and ensuring efficient use of resources.

• Examples: Creating a deta...read more