Phenom Interview Questions, Process, and Tips

Q1. Rain water trapping problem
Ans. 
Rain water trapping problem involves calculating the amount of rainwater that can be trapped between buildings or structures.
• Calculate the maximum height of water that can be trapped at each point between two buildings.

• Calculate the difference between the height of the building and the height of water at each point.

• Sum up the differences to get the total amount of rainwater that can be trapped.

• Example: Given heights of...read more
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Q1. Introducing ourselves through selfie video
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Q2. How could you be of an asset to our organization ?
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Q1. What is the toughest challenge faced with customer in recent times
Ans. 
The toughest challenge faced with customers in recent times is managing high call volumes and long wait times.
• Managing high call volumes and long wait times

• Ensuring timely resolution of customer issues

• Maintaining customer satisfaction despite the challenges

• Balancing workload and resources effectively

• Implementing efficient call routing and queuing systems

• Providing clear communication and updates to customers
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Q2. What is the process followed to better engage with customers ?
Ans. 
To better engage with customers, the process involves active listening, clear communication, personalized interactions, prompt responses, and continuous improvement.
• Active listening: Paying attention to customer needs and concerns.

• Clear communication: Using simple and concise language to avoid confusion.

• Personalized interactions: Tailoring the support to meet individual customer requirements.

• Prompt responses: Providing...read more
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Q1. How could you resolve the troubleshooting issues?
Ans. 
I would resolve troubleshooting issues by following a systematic approach and utilizing my technical knowledge and problem-solving skills.
• Identify the problem by gathering information from the user

• Analyze the symptoms and possible causes

• Perform diagnostic tests to narrow down the issue

• Apply known solutions or troubleshoot step-by-step

• Document the troubleshooting process and solution for future reference

• Provide clear an...read more
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Q2. What troubleshooting tools were used by you earlier in your previous responsibility ?
Ans. 
I have used various troubleshooting tools in my previous responsibility as a Technical Support Lead.
• Network diagnostic tools like ping, traceroute, and nslookup

• Remote desktop tools like TeamViewer and AnyDesk

• System monitoring tools like Task Manager and Resource Monitor

• Log analysis tools like Event Viewer and Log Parser

• Hardware diagnostic tools like memtest86 and CPU-Z

• Software debugging tools like Visual Studio Debugge
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Q1. What is the reason for you leaving your present organization ?
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Q2. What is your expected CTC?
Ans. 
I expect a competitive salary based on my experience, skills, and the responsibilities of the Technical Support Lead role.
• I have researched the average salary range for Technical Support Lead positions in the industry.

• I have considered my years of experience and expertise in technical support.

• I have taken into account the level of responsibility and leadership required for the role.

• I am open to negotiation based on the...read more
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50 questions asked in aptitude test

What are the advantages and disadvantages of social media

Q1. Self intro in a different way
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Q2. What is hoisting in javascript
Ans. 
Hoisting is a behavior in JavaScript where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable declarations are hoisted to the top of their scope, but not their assignments.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Hoisting can lead to unexpected behavior if not understood properly.
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Q3. Brief explanation of project
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Q1. Self intro in detail
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Q2. Have you checked the website
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Q1. Advantages of async and threading and their scope.
Ans. 
Async and threading offer advantages in improving performance and responsiveness in software development.
• Async allows for non-blocking operations, improving responsiveness by allowing other tasks to continue while waiting for a response.

• Threading enables parallel execution of tasks, utilizing multiple CPU cores to improve performance.

• Async is more suitable for I/O-bound operations, while threading is better for CPU-bou...read more
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Q2. Two sum leetcode model
Ans. 
Given an array of integers, return indices of the two numbers such that they add up to a specific target.
• Use a hashmap to store the difference between the target and each element as keys and their indices as values.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the two numbers that add up to the target.
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Q1. Explain about Global interpreter lock.
Ans. 
Global Interpreter Lock (GIL) is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes simultaneously.
• GIL is a mechanism used in CPython to ensure that only one thread executes Python bytecode at a time.

• It prevents multiple threads from executing Python code concurrently, which can cause issues with thread safety.

• GIL can impact the performance of multi-threaded Pyth...read more
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Q2. Integer to roman, sort an array containing only 0,1,2 in single iteration.
Ans. 
Use two pointers to swap 0s to the beginning and 2s to the end while keeping 1s in the middle.
• Initialize two pointers, one for 0s (left) and one for 2s (right).

• Iterate through the array and swap 0s to the left pointer and 2s to the right pointer.

• Example: Input array = ['2', '1', '0', '2', '1', '0'], Output array = ['0', '0', '1', '1', '2', '2']
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Q1. General questions on aws, and resume.
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Q2. Coding question on two pointer, three pointer and sliding window techniques
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Q1. General interaction about company previous experience and negotiations
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