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NetApp Data Engineer Interview Questions and Answers

Updated 26 Nov 2024

NetApp Data Engineer Interview Experiences

1 interview found

Data Engineer Interview Questions & Answers

user image Chaitanya Gaykwad

posted on 26 Nov 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What are joins and its type
  • Q2. Tell me about Dax query

Interview questions from similar companies

I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.

Interview Questionnaire 

10 Questions

  • Q1. Write a program to reverse a n integer
  • Ans. 

    Program to reverse an integer

    • Convert the integer to a string

    • Reverse the string

    • Convert the reversed string back to an integer

  • Answered by AI
  • Q2. Explain me about your projects
  • Ans. 

    I have worked on various projects including a web application for inventory management and a mobile app for task tracking.

    • Developed a web application using React for inventory management, allowing users to track stock levels and generate reports.

    • Created a mobile app using Flutter for task tracking, enabling users to create, assign, and track tasks in real-time.

    • Collaborated with a team of developers to integrate APIs an...

  • Answered by AI
  • Q3. Are you interstedoing in studying further
  • Ans. 

    Yes, I am interested in studying further to enhance my skills and knowledge in software engineering.

    • Interested in pursuing a Master's degree in Computer Science

    • Enrolling in online courses to learn new technologies and programming languages

    • Attending workshops and conferences to stay updated with industry trends

  • Answered by AI
  • Q4. Reverse a linked list without using extra memory
  • Ans. 

    Reverse a linked list without using extra memory

    • Iterate through the linked list and change the next pointers to reverse the list

    • Use three pointers - prev, current, and next - to keep track of the reversed list

    • Start with prev and current pointing to null and the head of the linked list respectively

    • While traversing the list, update the next pointer of the current node to point to the previous node

    • Move prev and current po...

  • Answered by AI
  • Q5. Explain me about all the data structures you know, tell me their advantages over others and applications
  • Ans. 

    Data structures are fundamental concepts in software engineering that organize and store data efficiently.

    • Arrays: Simple and efficient for storing and accessing elements.

    • Linked Lists: Dynamic and flexible, efficient for insertion and deletion.

    • Stacks: LIFO structure, useful for managing function calls and undo operations.

    • Queues: FIFO structure, ideal for managing tasks and scheduling.

    • Trees: Hierarchical structure, used ...

  • Answered by AI
  • Q6. What is the difference between into arr [5] and malloc (5*sizeof (int))
  • Ans. 

    The difference is that 'int arr[5]' creates an array on the stack, while 'malloc(5*sizeof(int))' allocates memory on the heap.

    • int arr[5] creates an array of 5 integers on the stack, which is a fixed-size memory allocation.

    • malloc(5*sizeof(int)) dynamically allocates memory on the heap, allowing for variable-size memory allocation.

    • The memory allocated with malloc must be explicitly freed with free() to avoid memory leaks

  • Answered by AI
  • Q7. Tell me about yourself.
  • Ans. 

    I am a passionate software engineer with a strong background in computer science and experience in developing innovative solutions.

    • Completed a Bachelor's degree in Computer Science from XYZ University

    • Proficient in programming languages such as Java, Python, and C++

    • Worked on various projects including a mobile app for tracking fitness goals

    • Familiar with Agile development methodologies and version control systems like Gi

  • Answered by AI
  • Q8. Where do you want to see yourself in 5 years
  • Ans. 

    In 5 years, I see myself as a senior software engineer leading a team of developers on innovative projects.

    • Continuing to enhance my technical skills and knowledge through ongoing learning and certifications

    • Taking on more leadership responsibilities and mentoring junior team members

    • Contributing to the development of cutting-edge software solutions for the company

    • Possibly pursuing opportunities for advancement within the...

  • Answered by AI
  • Q9. Mention two weakness es
  • Ans. 

    I tend to overthink details and can be overly critical of my own work.

    • Overthinking details can lead to delays in completing tasks

    • Being overly critical can hinder progress and confidence

  • Answered by AI
  • Q10. Are you intersted in studying further
  • Ans. 

    Yes, I am interested in studying further to enhance my skills and stay updated with the latest technologies.

    • I believe continuous learning is essential in the fast-paced tech industry

    • Further studies can help me specialize in a specific area of software engineering

    • Advanced degrees or certifications can open up new career opportunities

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: Asked me few simple questions related to OS and Network security

Round: Technical Interview
Experience: Asked me few simple questions related to OS and Network security

College Name: IIT Madras

Skills evaluated in this interview

Interview Preparation Tips

General Tips: Just be confident. You may not be able to answer all the questions correctly. If you don't know the answer, be honest and confidently answer the questions that you know.
College Name: NIT SURATHKAL

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 40 minutes
Round difficulty - Easy

Technical round with questions based on DSA.

  • Q1. 

    Reverse a Number Problem Statement

    Create a program to reverse a given integer N. The output should be the reversed integer.

    Note:

    If a number has trailing zeros, their reversed version should not inclu...

  • Ans. 

    Reverse a given integer while excluding trailing zeros.

    • Create a program to reverse the given integer by converting it to a string and then reversing it.

    • Remove any trailing zeros from the reversed string before converting it back to an integer.

    • Handle the constraints of the input integer being between 0 and 10^8.

    • Example: For input 1230, the output should be 321.

  • Answered by AI
  • Q2. 

    Reverse a Linked List Problem Statement

    You are given a Singly Linked List of integers. Your task is to reverse the Linked List by changing the links between nodes.

    Input:

    The first line of input contai...
  • Ans. 

    Reverse a given singly linked list by changing the links between nodes.

    • Iterate through the linked list and reverse the links between nodes.

    • Use three pointers to keep track of the current, previous, and next nodes.

    • Update the links while traversing the list to reverse it.

    • Return the head of the reversed linked list.

  • Answered by AI
  • Q3. What is the difference in C++ between 'new int[5]' and 'malloc(5 * sizeof(int))'?
  • Ans. 

    new int[5] is C++ specific and initializes the array with default values, while malloc(5 * sizeof(int)) is a C function and does not initialize the array.

    • new int[5] is C++ specific and calls constructors for each element in the array.

    • malloc(5 * sizeof(int)) is a C function and does not call constructors, leaving the array uninitialized.

    • new int[5] returns a pointer to the first element of the array, while malloc(5 * siz...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAJuniper Networks interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, OS, Networking, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions based on DSA and OOPS.

  • Q1. How do you dynamically allocate a 2D array in C?
  • Ans. 

    Use double pointer to dynamically allocate memory for array of strings in C.

    • Declare a double pointer to hold the 2D array of strings.

    • Allocate memory for the rows first using malloc.

    • Then allocate memory for each string in the row using malloc.

    • Assign values to the strings in the array.

    • Example: char **array = malloc(rows * sizeof(char *));

    • Example: array[i] = malloc(strlen(str) + 1); strcpy(array[i], str);

  • Answered by AI
  • Q2. What are virtual functions in C++?
  • Ans. 

    Virtual functions in C++ are functions that can be overridden in derived classes, allowing for polymorphic behavior.

    • Virtual functions are declared using the 'virtual' keyword in the base class.

    • They are used to achieve runtime polymorphism in C++.

    • Derived classes can override the virtual functions defined in the base class.

    • Example: class Base { public: virtual void display() { cout << 'Base class dis...

  • Answered by AI
  • Q3. What are virtual base classes?
  • Ans. 

    Virtual base classes are classes that are inherited virtually to avoid multiple instances of the same base class in a derived class hierarchy.

    • Virtual base classes are used in multiple inheritance to prevent the Diamond Problem.

    • They are declared with the 'virtual' keyword in the base class.

    • When a class inherits a virtual base class, the most derived class is responsible for initializing the virtual base class.

    • Example: c...

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions based on OS/Networking etc.

  • Q1. What is the system call that creates a separate connection?
  • Ans. 

    The system call that creates a separate connection is fork()

    • fork() is a system call in Unix-like operating systems that creates a new process by duplicating the existing process

    • The new process created by fork() is called the child process, while the original process is called the parent process

    • fork() is commonly used in network programming to create separate connections for handling multiple clients

  • Answered by AI
  • Q2. What does the epoll_wait() system call do?
  • Ans. 

    epoll_wait() system call waits for events on an epoll instance

    • Used in Linux for I/O event notification

    • Blocks until one or more file descriptors become ready

    • Returns the number of file descriptors ready for I/O operations

  • Answered by AI
  • Q3. What are the different protocols used in the transport layer?
  • Ans. 

    Different protocols used in the transport layer include TCP, UDP, SCTP, and DCCP.

    • TCP (Transmission Control Protocol) - reliable, connection-oriented protocol used for most internet communication

    • UDP (User Datagram Protocol) - connectionless protocol used for applications where speed is more important than reliability

    • SCTP (Stream Control Transmission Protocol) - supports multiple streams of data, used for telecommunicati...

  • Answered by AI
  • Q4. What is the difference between TCP and UDP?
  • Ans. 

    TCP is a connection-oriented protocol that ensures reliable data delivery, while UDP is a connectionless protocol that focuses on speed.

    • TCP is reliable and ensures data delivery by establishing a connection before sending data.

    • UDP is faster but less reliable as it does not establish a connection before sending data.

    • TCP is used for applications that require high reliability and error correction, such as web browsing and...

  • Answered by AI
Round 3 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical interview round with questions based on Networking etc.

  • Q1. What is the purpose of ICMP?
  • Ans. 

    ICMP is a protocol used for error reporting, diagnostics, and network management in IP networks.

    • ICMP is used to report errors in packet delivery

    • It is used for network diagnostics and troubleshooting

    • ICMP messages are encapsulated within IP packets

    • Examples include ping (echo request/reply) and traceroute

  • Answered by AI
  • Q2. What are the types of connection release supported by TCP?
  • Ans. 

    TCP supports four types of connection release: active close, passive close, simultaneous close, and abortive close.

    • Active close: Client initiates the connection release process by sending a FIN packet.

    • Passive close: Server initiates the connection release process by sending a FIN packet.

    • Simultaneous close: Both client and server send FIN packets to each other simultaneously.

    • Abortive close: Connection is terminated abru...

  • Answered by AI
  • Q3. What protocols are used by the MAC layer?
  • Ans. 

    The MAC layer uses protocols like CSMA/CA, CSMA/CD, and TDMA to manage access to the network.

    • CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) is used in wireless networks to avoid collisions.

    • CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is used in wired networks to detect and handle collisions.

    • TDMA (Time Division Multiple Access) is used in networks where devices are assigned specific

  • Answered by AI
  • Q4. What is the ARP protocol?
  • Ans. 

    ARP (Address Resolution Protocol) is a protocol used to map an IP address to a MAC address in a local network.

    • ARP is used to resolve IP addresses to MAC addresses in a local network.

    • It operates at the data link layer of the OSI model.

    • ARP requests are broadcasted to all devices on the network.

    • Example: When a device wants to communicate with another device on the same network, it uses ARP to find the MAC address correspo

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAVMware Software India Private Limited interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Networking, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

I applied via Job Portal and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall good

I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.

Interview Preparation Tips

Round: Test
Experience: Tested basics in each subject

Round: Technical Interview
Experience: Had asked me about my projects in detail. Some DSA questions were asked. Asked to code in C for some questions.

Round: Technical Interview
Experience: Asked questions about data structures and some more algorithms. Tested in Probability and some quant.

College Name: IIT Madras

Interview Preparation Tips

Round: Resume Shortlist
Tips: It will be good to have a GPA of 8 and above

Round: Test
Experience: Questions were easy it were good at C and basic maths. Questions were distributed on all aspects of computer science such as Operating Systems, Few Output Question, Data Structures and Application layer networking . In basic aptitude most questions fall under Probability, distance and time and few others.
Duration: 60 minutes
Total Questions: 50

Skills: Communication, Basic Coding, Math Puzzle
College Name: NIT Surathkal

Interview Preparation Tips

Round: Test
Experience: The test was MCQ type. It comprised of questions from Operating Systems, Data Structures, Microprocessors, logical Reasoning, Aptitude and Computer Networks. No negative marking was there.
Tips: One needs to be fast as you can't spend much time on one question.
Duration: 60 minutes
Total Questions: 50

Round: Technical Interview
Experience: I was given 2 coding questions to solve and basics of oops, operating systems, data structures and networks were asked. 3-4 questions were asked in each topic mentions above. The interviewer also asked 2 puzzles which were the standard ones. He first asked me if I knew the topic or not, then only he asked me questions about it. But that doesn't mean that you can skip all the above mentions topics.
Tips: Be relaxed and confident and try to discuss your approach with the interviewer.

Round: Technical Interview
Experience: 2 Coding questions and 3-4 questions from operating systems and networks.Questions also from the mentioned projects.

Round: HR Interview
Experience: Standard HR interview with questions like what Cisco does and why they should hire you. He also asked me questions from the CV.

Tips: Be confident and mug up your cv well

Round: HR Interview
Experience: It was just a formality where he just asked about my background and whether I would be able to move to bangalore and Why I want to join Cisco.

Skills: Confidence, Problem Solving Skills, Operating System Basics, Coding Skills, Object Oriented Programming (OOP) Basics, Computer Networking, Data Strrutures
College Name: IIT Guwahati

I applied via Referral

Interview Questionnaire 

10 Questions

  • Q1. Program to print the elements of a binary tree in spiral order
  • Ans. 

    Program to print binary tree elements in spiral order

    • Use two stacks to keep track of nodes at odd and even levels

    • Push nodes from left to right in odd level stack and right to left in even level stack

    • Pop nodes from the stack alternatively and print them

    • Repeat until both stacks are empty

  • Answered by AI
  • Q2. Explain what happens underneath when you enter a URL in the browser
  • Ans. 

    Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.

    • The browser checks the cache for a previously stored copy of the webpage

    • If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address

    • The browser then sends a request to the web server at the IP address for the webpage

    • The web server responds with the requested webpage

    • The brows...

  • Answered by AI
  • Q3. Explain why MAC addresses are required despite having IP addresses
  • Ans. 

    MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.

    • MAC addresses are used for communication within a local network

    • IP addresses are used for communication across different networks

    • MAC addresses are assigned by the manufacturer and cannot be changed

    • IP addresses can be assigned dynamically or statically

    • MAC addresses are used in the...

  • Answered by AI
  • Q4. Solve the classical bridge and torch puzzle
  • Q5. Explain my internship project
  • Ans. 

    Developed a web application for tracking inventory and sales data

    • Used React.js for front-end development

    • Implemented RESTful APIs using Node.js and Express for back-end

    • Utilized MongoDB for database management

    • Integrated authentication and authorization features for secure access

    • Designed user-friendly interface with responsive design

  • Answered by AI
  • Q6. What is an arraylist in Java?
  • Ans. 

    An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.

    • ArrayList is a class in Java's Collection framework.

    • It implements the List interface and allows duplicate elements.

    • Elements can be added or removed using methods like add(), remove(), etc.

    • It can also be sorted using the sort() method.

    • Example: ArrayList names = new ArrayList<>();

    • names.add("John"); names.add("Mary"); names.remove(0);

  • Answered by AI
  • Q7. What is the difference between an arraylist and a linkedlist in Java?
  • Ans. 

    ArrayList is a resizable array while LinkedList is a doubly linked list.

    • ArrayList is faster for accessing elements while LinkedList is faster for adding or removing elements.

    • ArrayList uses contiguous memory while LinkedList uses non-contiguous memory.

    • ArrayList is better for random access while LinkedList is better for sequential access.

    • Example: ArrayList - List names = new ArrayList<>(); LinkedList - List names = new L

  • Answered by AI
  • Q8. “Java is not a pure OO language”. Justify (the answer expected was that the primitive types are not objects in Java!)
  • Ans. 

    Java is not a pure OO language due to primitive types not being objects.

    • Primitive types like int, boolean, etc. are not objects in Java

    • They do not have methods or inheritance like objects do

    • This violates the principle of everything being an object in pure OO languages

    • Wrapper classes like Integer, Boolean, etc. were introduced to provide object-like behavior for primitives

  • Answered by AI
  • Q9. What is the difference between an object oriented and object based language?
  • Ans. 

    Object-oriented languages support inheritance and polymorphism, while object-based languages do not.

    • Object-oriented languages allow for the creation of classes and objects, and support inheritance and polymorphism.

    • Object-based languages only support objects, but do not have the concept of classes or inheritance.

    • Examples of object-oriented languages include Java, C++, and Python, while JavaScript is an example of an obj

  • Answered by AI
  • Q10. Explain inheritance and abstraction with a concrete example
  • Ans. 

    Inheritance is a way to create new classes based on existing ones. Abstraction is a way to hide implementation details.

    • Inheritance allows a subclass to inherit properties and methods from a superclass.

    • Abstraction allows a class to provide a simplified interface to its users while hiding its implementation details.

    • For example, a Car class can inherit properties and methods from a Vehicle class, while also implementing i...

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

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NetApp Interview FAQs

How many rounds are there in NetApp Data Engineer interview?
NetApp interview process usually has 1 rounds. The most common rounds in the NetApp interview process are Technical.
How to prepare for NetApp Data Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at NetApp. The most common topics and skills that interviewers at NetApp expect are Python, SQL, Informatica, Unix and Computer science.
What are the top questions asked in NetApp Data Engineer interview?

Some of the top questions asked at the NetApp Data Engineer interview -

  1. What are joins and its t...read more
  2. Tell me about Dax qu...read more

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NetApp Data Engineer Interview Process

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₹14.5 L/yr - ₹26 L/yr
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