Pando Software Engineer Interview Questions and Answers

Q1. Promises in javascript
Ans. 
Promises in JavaScript are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained using .then() to handle success and .catch() to handle errors.
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Q1. Regarding BMS and system engineering activities
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Q2. System engineer process and tools
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Q1. System engineer role and responsibilities
Ans. 
System engineers design and manage complex systems to ensure they operate efficiently and effectively.
• Designing and implementing computer systems

• Managing system configurations and upgrades

• Troubleshooting system issues

• Collaborating with other IT professionals

• Ensuring system security and data integrity
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Q2. System engineer activity wrt BMS
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Q1. Salary related stuff and expectations
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Q2. Details regarding joining date and last working day
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Q1. Previous project and role?
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Q2. What is KWP2000 or UDS use for?
Ans. 
KWP2000 and UDS are communication protocols used in automotive diagnostics.
• KWP2000 is used for diagnostics and flashing of electronic control units (ECUs) in older vehicles.

• UDS (Unified Diagnostic Services) is a modern protocol used for diagnostics and flashing of ECUs in newer vehicles.

• Both protocols allow for communication between a diagnostic tool and the vehicle's ECUs to read and clear fault codes, perform tests, ...read more
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Q3. How many type of ECU are there?
Ans. 
There are mainly three types of ECUs: Engine Control Unit (ECU), Transmission Control Unit (TCU), and Body Control Module (BCM).
• Engine Control Unit (ECU) - controls the engine functions such as fuel injection, ignition timing, and emissions.

• Transmission Control Unit (TCU) - manages the transmission system, including gear shifting and torque converter lockup.

• Body Control Module (BCM) - oversees various body functions li...read more
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Q4. What is online and offline in CANoe?
Ans. 
Online and offline in CANoe refer to the modes of communication with the CAN bus.
• Online mode allows real-time interaction with the CAN bus, sending and receiving messages.

• Offline mode allows analysis of previously recorded CAN bus data without real-time interaction.

• Online mode is used for testing and debugging live systems, while offline mode is used for post-analysis and simulation.

• Examples: Online mode is used to mon...read more
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Q1. Same as round one question?
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Q1. Salary expectations?
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Q1. Domain related questions
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Q2. Configuration pf stack
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Q1. Design and code a zoo management system.
Ans. 
A zoo management system to track animals, enclosures, staff, and visitor information.
• Create classes for animals, enclosures, staff, and visitors

• Implement functions for adding, updating, and deleting records

• Include features for scheduling feeding times, cleaning enclosures, and managing staff shifts
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Standard DSA questions

Q1. Standard HR stuff.
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Aptitude test was of 1 hr

It was about 1 hr duration

Q1. What do you know about oops
Ans. 
Object-oriented programming paradigm focusing on objects and classes
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object)

• Inheritance: Ability of a class to inherit properties and behavior from another class

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

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Q2. Tell me about encapsulation
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Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for better control over the data by preventing outside interference.

• Encapsulation also promotes code reusability and modularity.

• Example: In object-oriented programming, classes encapsulate data fields and methods to ope
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Q1. How do you manage your team
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Q2. Why should I hire you
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