NetApp Interview Questions, Process, and Tips

Average level 3 coding questions and some aptitude and core questions.

Q1. One DSA question and most core questions specially OOPs. A lot discussion on project.
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Q1. Talk with manager, major discussion about project.
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Q1. Discussion about goals and objectives.
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Q1. Resume-based, logical questions
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Q1. Resume- based only, achievements
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Q1. Day today learning & future scope
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Q1. Wafl in neatpp & its methodology
Ans. 
WAFL is a file system used in NetApp storage systems, which uses a copy-on-write methodology.
• WAFL stands for Write Anywhere File Layout.

• It uses a copy-on-write methodology to ensure data consistency and reduce write amplification.

• WAFL also includes features such as snapshots, clones, and deduplication.

• It is designed to optimize performance and storage efficiency in NetApp storage systems.
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Q1. Given a ladder where you can either take x steps or y steps at a time. Suppose there are n number of steps in ladder. What are the ways to climb the ladders?
Ans. 
Ways to climb a ladder with x or y steps at a time
• Use dynamic programming to calculate number of ways to climb ladder

• Create an array to store number of ways to reach each step

• Number of ways to reach a step is sum of number of ways to reach previous x steps and previous y steps

• Base cases: number of ways to reach first x steps and first y steps are 1
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Q2. Create a program to create all the possible combination using 0 and 1 for n number of digits, for example for n = 2, [00,01, 10,11]
Ans. 
Create a program to generate all possible combinations of 0 and 1 for n number of digits.
• Use a loop to iterate through all possible combinations

• Use binary representation to generate the combinations

• Store the combinations in an array of strings
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Q1. Implementation of Singleton Pattern, SingletonPerProcess, SingletonPerThread
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Q2. Process cycle in Linux
Ans. 
Process cycle in Linux refers to the sequence of events that occur when a process is created, executed, and terminated.
• When a process is created, it is assigned a unique process ID (PID)

• The process is then placed in the ready queue and waits for the CPU to execute it

• Once the process is executed, it enters the running state

• During execution, the process may be interrupted by the scheduler and placed back in the ready que...read more
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Q3. Multithreading in Python and asyncio
Ans. 
Python has built-in support for multithreading through the threading module and for asynchronous programming through asyncio.
• Multithreading allows multiple threads to run concurrently, improving performance for CPU-bound tasks.

• Asyncio is a library for writing asynchronous code using coroutines, improving performance for I/O-bound tasks.

• Asyncio uses an event loop to manage coroutines and tasks.

• Asyncio also provides supp...read more
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Q4. Python basics, context managers, decorators, etc
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Q1. What do you do when blocker comes?
Ans. 
I analyze the blocker and prioritize the next steps accordingly.
• Identify the root cause of the blocker

• Assess the impact of the blocker on the project timeline

• Communicate the blocker to the relevant stakeholders

• Prioritize the next steps based on the severity of the blocker

• Take necessary actions to resolve the blocker
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Q2. How to keep track of the stories assigned to you?
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Q3. There is a boom in the market, what are the chances of yours joining us?
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