Upload Button Icon Add office photos

CommVault

Compare button icon Compare button icon Compare

Filter interviews by

Clear (1)

CommVault Software Developer Intern Interview Questions and Answers

Updated 24 May 2022

CommVault Software Developer Intern Interview Experiences

1 interview found

I was interviewed in Feb 2022.

Round 1 - Coding Test 

(3 Questions)

Round duration - 65 Minutes
Round difficulty - Hard

There were 15 MCQS you have to do in 25 Minutes and 3 Coding questions you have to do in 40 minutes. They also give a demo test link to get you use to the environment.

  • Q1. 

    Sliding Maximum Problem Statement

    Given an array of integers ARR of length 'N' and a positive integer 'K', find the maximum elements for each contiguous subarray of size K.

    Example:

    Input:
    ARR = [3, 4,...
  • Ans. 

    Find maximum elements for each subarray of size K in a given array of integers.

    • Iterate through the array and maintain a deque to store the indices of elements in decreasing order.

    • Pop elements from the deque if they are out of the current window.

    • Keep track of the maximum element in each subarray of size K.

  • Answered by AI
  • Q2. 

    Jump Game Problem Statement

    In this problem, you are given an array ARR consisting of N integers. Your task is to determine the minimum number of jumps required to reach the last index of the array N - 1....

  • Ans. 

    The problem involves finding the minimum number of jumps required to reach the last index of an array, where each element represents the maximum distance that can be jumped from that index.

    • Start from index 0 and keep track of the farthest index that can be reached from each position.

    • Update the current farthest index as the maximum of current farthest index and i + ARR[i].

    • Increment the jump count when the current index ...

  • Answered by AI
  • Q3. 

    Longest Palindromic Substring Problem Statement

    You are provided with a string STR of length N. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...

  • Ans. 

    Given a string, find the longest palindromic substring, prioritizing the one with the smallest start index.

    • Iterate through the string and expand around each character to find palindromes

    • Keep track of the longest palindrome found and its starting index

    • Return the longest palindromic substring with the smallest start index

  • Answered by AI
Round 2 - Video Call 

Round duration - 180 Minutes
Round difficulty - Hard

It was more of Design + Data structure round. They give access to their server and ask us to do code there.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Galgotias College of Engineering and Technology, Greater Noida. I applied for the job as SDE - Intern in DelhiEligibility criteriaAbove 7 CGPACommvault interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, OOPS, DBMS, OS, DPTime required to prepare for the interview - 6 MonthsInterview preparation tips for other job seekers

Tip 1 : Do as much as coding question you can do.
Tip 2 : Do some projects also.
Tip 3 : Revise and clear your basic concepts too.

Application resume tips for other job seekers

Tip 1 : Mention only things related to job profile only.
Tip 2 : Make it page pager.

Final outcome of the interviewRejected

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was the first technical round.

  • Q1. 

    Reverse Linked List Problem Statement

    Given a singly linked list of integers, return the head of the reversed linked list.

    Example:

    Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
    Reversed link...
  • Ans. 

    Reverse a singly linked list of integers and return the head of the reversed linked list.

    • Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

    • Keep track of the previous, current, and next nodes while reversing the linked list.

    • Update the head of the reversed linked list as the last node encountered during reversal.

  • Answered by AI
  • Q2. 

    LCA of Binary Tree Problem Statement

    You are given a binary tree consisting of distinct integers and two nodes, X and Y. Your task is to find and return the Lowest Common Ancestor (LCA) of these two nodes...

  • Ans. 

    Find the Lowest Common Ancestor (LCA) of two nodes in a binary tree.

    • Traverse the binary tree to find the paths from the root to nodes X and Y.

    • Compare the paths to find the last common node, which is the LCA.

    • Handle cases where one node is an ancestor of the other.

    • Consider edge cases like when X or Y is the root node.

    • Implement a recursive or iterative solution to find the LCA efficiently.

  • Answered by AI
  • Q3. What is internal fragmentation?
  • Ans. 

    Internal fragmentation occurs when allocated memory is larger than the requested memory, leading to wasted space.

    • Internal fragmentation is common in memory management systems.

    • It occurs when a block of memory is allocated to a process, but the process does not use all of the allocated memory.

    • This results in wasted space within the allocated block.

    • For example, if a process requests 100 bytes of memory but is allocated a ...

  • Answered by AI
  • Q4. Which part of memory stores uninitialized static and global variables?
  • Ans. 

    BSS segment in memory stores uninitialized static and global variables.

    • BSS segment stands for 'Block Started by Symbol' and is a section of memory where uninitialized static and global variables are stored.

    • Variables declared with the 'static' keyword or as global variables without initialization are stored in the BSS segment.

    • For example, int a; or static int b; would be stored in the BSS segment.

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions on DSA, OS, OOPS etc.

  • Q1. 

    Integer Square Root Calculation

    Given a positive integer 'N', compute its square root and return it. If 'N' is not a perfect square, then return the floor value of sqrt(N).

    Example:

    Input:
    N = 25
    N = 20
    N...
  • Ans. 

    Calculate the square root of a positive integer and return the floor value if not a perfect square.

    • Use the sqrt() function to calculate the square root of the given integer.

    • If the square root is not an integer, return the floor value using floor() function.

    • Handle constraints such as the range of 'N' and the number of test cases.

  • Answered by AI
  • Q2. Where does the returned value for the 'main' function go?
  • Ans. 

    The returned value for the 'main' function goes to the operating system.

    • The returned value is typically an integer representing the exit status of the program.

    • A return value of 0 usually indicates successful execution, while non-zero values indicate errors.

    • The operating system can use the return value to determine the success or failure of the program.

  • Answered by AI
  • Q3. What is a segmentation fault?
  • Ans. 

    A segmentation fault is a type of error that occurs when a program tries to access a memory location that it is not allowed to access.

    • Occurs when a program tries to access memory outside of its allocated space

    • Usually caused by bugs in the code such as accessing an uninitialized pointer or writing past the end of an array

    • Can lead to program crashes or unexpected behavior

    • Example: Accessing an element beyond the bounds of

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

This was a typical managerial round.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPANetApp India Pvt Ltd interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, OS, DBMS, Networking, Aptitude, OOPSTime required to prepare for the interview - 5 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 interviewSelected

Skills evaluated in this interview

I applied via Referral

Interview Questionnaire 

34 Questions

  • Q1. Give a few technical differences between Windows and UNIX
  • Ans. 

    Windows and UNIX have several technical differences.

    • Windows has a graphical user interface (GUI) while UNIX is primarily command-line based.

    • Windows uses the NTFS file system while UNIX typically uses the ext4 file system.

    • Windows supports a wide range of software applications, while UNIX is known for its stability and security.

    • Windows has a larger user base and is more commonly used for personal computers, while UNIX is...

  • Answered by AI
  • Q2. Give a few differences between NTFS and FAT
  • Ans. 

    NTFS and FAT are file systems used in Windows operating systems with differences in features and capabilities.

    • NTFS supports file and folder permissions, while FAT does not.

    • NTFS has built-in support for file compression and encryption, while FAT does not.

    • NTFS has a journaling feature that helps in recovering from system crashes, while FAT does not.

    • NTFS supports larger file sizes and partition sizes compared to FAT.

    • NTFS ...

  • Answered by AI
  • Q3. Mention the layers in OSI stack
  • Ans. 

    The OSI stack consists of 7 layers that define the functions and protocols of network communication.

    • Physical layer: Deals with the physical transmission of data.

    • Data Link layer: Provides error-free transmission over a physical link.

    • Network layer: Handles routing and logical addressing.

    • Transport layer: Ensures reliable data delivery and manages end-to-end connections.

    • Session layer: Establishes, manages, and terminates s...

  • Answered by AI
  • Q4. Explain in detail the concept of NAT and DHCP
  • Ans. 

    NAT (Network Address Translation) is a technique used to translate private IP addresses to public IP addresses, allowing devices on a private network to communicate with the internet. DHCP (Dynamic Host Configuration Protocol) is a network protocol that automatically assigns IP addresses and other network configuration parameters to devices on a network.

    • NAT allows multiple devices on a private network to share a single...

  • Answered by AI
  • Q5. What is the difference between hub, switch, and router?
  • Ans. 

    A hub is a simple networking device that connects multiple devices in a network. A switch is a more advanced device that filters and forwards data packets. A router is a device that connects multiple networks and directs data packets between them.

    • A hub operates at the physical layer of the OSI model, while a switch operates at the data link layer.

    • A hub broadcasts data to all connected devices, while a switch selectivel...

  • Answered by AI
  • Q6. What is collision domain? How does bridge segregate collision domains?
  • Ans. 

    Collision domain is a network segment where collisions can occur. Bridges segregate collision domains by creating separate segments.

    • Collision domain is a section of a network where network devices share the same bandwidth and can collide with each other.

    • Collisions occur when two or more devices transmit data simultaneously on a shared medium.

    • Bridges create separate collision domains by dividing a network into multiple ...

  • Answered by AI
  • Q7. Given a routine which sorts only positive numbers, write a wrapper around it to sort both positive and negative numbers
  • Q8. Suggest a suitable combination of array and hashmap to design the underlying data structures behind an educational institution’s website. The website supports selection of a particular department, a part...
  • Ans. 

    A combination of array and hashmap can be used to design the underlying data structures for an educational institution's website.

    • Use an array to store the departments available in the institution.

    • Each department can be represented as a key in the hashmap.

    • The value corresponding to each department key in the hashmap can be another hashmap.

    • This nested hashmap can store the courses available in the department.

    • The courses ...

  • Answered by AI
  • Q9. Give the design considerations for a client server system wherein the client gets a virtual operating system on the fly through the network from a server consisting of several such operating systems
  • Ans. 

    Design considerations for a client-server system with virtual operating systems on the fly

    • Scalability: Ensure the system can handle multiple clients requesting virtual operating systems simultaneously

    • Resource allocation: Manage resources efficiently to provide virtual operating systems to clients

    • Network bandwidth: Optimize network usage to deliver virtual operating systems quickly

    • Security: Implement measures to protect...

  • Answered by AI
  • Q10. What are the different types of virtualization?. I was asked to differentiate between system and process virtualization
  • Q11. Explain VMware’s virtualization on a multicore machine
  • Ans. 

    VMware's virtualization on a multicore machine allows for efficient utilization of resources and improved performance.

    • VMware's virtualization technology enables the creation of multiple virtual machines (VMs) on a single multicore machine.

    • Each VM can run its own operating system and applications, isolated from other VMs.

    • The hypervisor, such as VMware ESXi, manages the allocation of CPU, memory, and other resources to e...

  • Answered by AI
  • Q12. Pack 51 apples in minimum number of packets such that with the packets I have made, I should be able to give any number of apples between 1 and 51
  • Ans. 

    The minimum number of packets required to pack 51 apples such that any number of apples between 1 and 51 can be given.

    • The minimum number of packets required is 6.

    • Each packet should contain a power of 2 number of apples.

    • The packets should be of sizes: 1, 2, 4, 8, 16, and 20.

    • By combining these packets, any number of apples between 1 and 51 can be given.

  • Answered by AI
  • Q13. Write a program to implement strstr
  • Ans. 

    Program to implement strstr function in C++

    • Use two nested loops to compare each character of the haystack and needle

    • If a match is found, return the starting index of the substring

    • If no match is found, return -1

  • Answered by AI
  • Q14. From an incoming stream of numbers, construct a binary tree such that it is almost balanced
  • Ans. 

    To construct an almost balanced binary tree from an incoming stream of numbers.

    • Use a self-balancing binary search tree like AVL or Red-Black tree.

    • Insert the numbers from the stream into the tree.

    • Perform rotations or rebalancing operations as necessary to maintain balance.

    • Consider using a priority queue to handle the incoming stream efficiently.

  • Answered by AI
  • Q15. How would I implement the autocomplete feature for search queries?
  • Ans. 

    Implementing autocomplete feature for search queries

    • Use a trie data structure to store the search queries

    • As the user types, traverse the trie to find matching prefixes

    • Return the suggestions based on the matching prefixes

    • Consider using a ranking algorithm to prioritize suggestions

  • Answered by AI
  • Q16. What is a semaphore?
  • Ans. 

    A semaphore is a synchronization object that controls access to a shared resource through the use of a counter.

    • Semaphores can be used to limit the number of threads accessing a resource simultaneously.

    • They can be used to solve the critical section problem in concurrent programming.

    • Semaphores can have two types: counting semaphores and binary semaphores.

    • Counting semaphores allow a specified number of threads to access a...

  • Answered by AI
  • Q17. Code the P and V operations of a semaphore
  • Ans. 

    The P and V operations are used to control access to a shared resource using a semaphore.

    • P operation (wait operation) decreases the value of the semaphore by 1, blocking if the value is already 0.

    • V operation (signal operation) increases the value of the semaphore by 1, releasing a waiting process if any.

    • P and V operations are typically used in synchronization mechanisms to prevent race conditions and ensure mutual excl...

  • Answered by AI
  • Q18. Explain REST web service
  • Ans. 

    REST web service is an architectural style for designing networked applications that use HTTP as the communication protocol.

    • REST stands for Representational State Transfer

    • It is based on a client-server model

    • It uses standard HTTP methods like GET, POST, PUT, DELETE

    • Resources are identified by URIs

    • Responses are typically in JSON or XML format

  • Answered by AI
  • Q19. Is HTTP a stateless or stateful protocol?
  • Ans. 

    HTTP is a stateless protocol.

    • HTTP is stateless because it does not retain any information about previous requests or responses.

    • Each request is treated as an independent transaction, and the server does not maintain any knowledge of the client's state.

    • To maintain state, cookies or session management techniques can be used.

    • Statelessness allows for scalability and simplicity in web applications.

  • Answered by AI
  • Q20. What is shared memory?
  • Ans. 

    Shared memory is a memory space that can be accessed by multiple processes or threads simultaneously.

    • Shared memory allows processes or threads to communicate and share data efficiently.

    • It is typically used in inter-process communication (IPC) to avoid the overhead of copying data between processes.

    • Shared memory can be implemented using operating system mechanisms like memory-mapped files or system calls.

    • Example: Multip...

  • Answered by AI
  • Q21. What motivates me in life?
  • Q22. Explain the alignment issues in structures
  • Ans. 

    Alignment issues in structures occur due to memory padding and alignment requirements.

    • Structures may have unused memory space due to alignment requirements.

    • Padding is added to align structure members on memory boundaries.

    • Alignment issues can lead to wasted memory and decreased performance.

    • Compiler directives like #pragma pack can be used to control alignment.

    • Example: struct MyStruct { char a; int b; char c; };

  • Answered by AI
  • Q23. I am given two files viz. f1.c, f2.c, both having a call to malloc(). Can the address of the locations returned by these two be same?
  • Q24. Explain memory management unit
  • Ans. 

    Memory Management Unit (MMU) is a hardware component that manages memory access and translation between virtual and physical addresses.

    • MMU is responsible for translating virtual addresses used by programs into physical addresses in the computer's memory.

    • It provides memory protection by assigning access permissions to different memory regions.

    • MMU also handles memory allocation and deallocation, ensuring efficient use of...

  • Answered by AI
  • Q25. What is a socket?
  • Ans. 

    A socket is an endpoint for communication between two machines over a network.

    • A socket is a software abstraction that allows programs to send and receive data over a network.

    • It provides a mechanism for inter-process communication between applications running on different machines.

    • Sockets can be used for various network protocols such as TCP/IP, UDP, etc.

    • They are identified by an IP address and a port number.

    • Examples of...

  • Answered by AI
  • Q26. I was asked in detail the concept of type casting in C
  • Q27. Can I declare a structure called ‘a’ which contains a structure called ‘b’ and ‘b’ in turn contains ‘a’?
  • Ans. 

    Yes, it is possible to declare a structure 'a' that contains a structure 'b' and 'b' in turn contains 'a'.

    • To achieve this, we can use forward declaration of one of the structures.

    • By using a pointer or reference to the other structure inside the first structure, we can avoid recursive definition.

    • This allows us to create a nested structure hierarchy.

  • Answered by AI
  • Q28. How do I find the offset of a member of a structure object? How would I do the same if I am not allowed to create the object at all?
  • Ans. 

    To find the offset of a member of a structure object, use the 'offsetof' macro. If not allowed to create the object, use 'sizeof' and pointer arithmetic.

    • Use the 'offsetof' macro to find the offset of a member within a structure object

    • If not allowed to create the object, use 'sizeof' to get the size of the structure and perform pointer arithmetic

  • Answered by AI
  • Q29. I was asked to tell something about me that was not in my resume?
  • Q30. What are my strengths?
  • Q31. What do I know about Netapp?
  • Ans. 

    Netapp is a multinational storage and data management company.

    • Netapp specializes in providing storage solutions for businesses and organizations.

    • They offer a wide range of products and services including storage systems, software, and cloud services.

    • Netapp's solutions help organizations manage and protect their data, improve efficiency, and enable data-driven decision making.

    • They have a strong presence in the enterpris...

  • Answered by AI
  • Q32. What do I think about higher studies?
  • Q33. What is my family background? Do I have any siblings?
  • Ans. 

    I come from a close-knit family with two siblings, an older brother and a younger sister.

    • Close-knit family

    • Two siblings - older brother and younger sister

  • Answered by AI
  • Q34. My preferences regarding the various job profiles they had to offer?
  • Ans. 

    I am interested in job profiles that involve software development, problem-solving, and continuous learning.

    • I prefer job profiles that allow me to work on challenging projects and utilize my technical skills.

    • I am interested in roles that involve software development, coding, and debugging.

    • I enjoy problem-solving and would like a job that challenges me to think creatively and analytically.

    • I value continuous learning and

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(5 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions on DSA, Programming and OOPS.

  • Q1. 

    Implement strstr() Function in C Problem Statement

    Given two strings A and B, find the index of the first occurrence of A in B. If A is not present in B, return -1.

    Example:

    Input:
    A = "bc", B = "abcdd...
  • Ans. 

    Implement the strstr() function in C to find the index of the first occurrence of one string in another.

    • Iterate through the main string and check if the substring matches at each position.

    • Return the index if a match is found, else return -1.

    • Handle edge cases like empty strings or when the substring is longer than the main string.

  • Answered by AI
  • Q2. What happens when we try to access a null pointer in C?
  • Ans. 

    Accessing a null pointer in C results in a segmentation fault, as the program tries to access memory at address 0.

    • Attempting to dereference a null pointer will result in a segmentation fault, as the program tries to access memory at address 0.

    • It is important to always check if a pointer is null before attempting to access its value.

    • Example: int *ptr = NULL; printf('%d', *ptr); // This will result in a segmentation faul

  • Answered by AI
  • Q3. What are the phases of a compiler?
  • Ans. 

    Phases of a compiler include lexical analysis, syntax analysis, semantic analysis, optimization, and code generation.

    • Lexical analysis: Converts source code into tokens.

    • Syntax analysis: Checks the syntax of the code using a grammar.

    • Semantic analysis: Checks the meaning of the code.

    • Optimization: Improves the code for efficiency.

    • Code generation: Generates machine code or intermediate code.

  • Answered by AI
  • Q4. What is a system stack?
  • Ans. 

    A system stack is a data structure that stores information about the active subroutines of a computer program.

    • A system stack typically consists of a stack of frames, each representing a subroutine call.

    • The stack grows and shrinks as subroutines are called and returned.

    • The top of the stack points to the currently executing subroutine.

    • Common operations on a system stack include push (adding a new frame) and pop (removing

  • Answered by AI
  • Q5. 

    Count Set Bits Problem Statement

    Given an integer N, for each integer from 0 through N, find and print the number of set bits (1s) present in its binary representation.

    Example:

    Input:
    N = 5
    Output:
    ...
  • Ans. 

    Count the number of set bits in binary representation of integers from 0 to N.

    • Iterate through integers from 0 to N and count the number of set bits in their binary representation.

    • Use bitwise operations to check if a bit is set in the binary representation.

    • Return the count of set bits for each integer in the range.

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions on DSA, Programming and OOPS.

  • Q1. 

    Inorder Traversal of a Binary Tree Without Recursion

    You are provided with a binary tree consisting of 'N' nodes, where each node contains an integer value. Your task is to perform the In-Order traversal ...

  • Ans. 

    Perform In-Order traversal on a binary tree without recursion.

    • Use a stack to simulate the recursive process of In-Order traversal.

    • Start with the root node and keep traversing left until reaching a null node, pushing nodes onto the stack.

    • Pop nodes from the stack, print the value, and move to the right child if it exists.

    • Repeat until the stack is empty and all nodes have been visited.

  • Answered by AI
  • Q2. 

    Detect Loop in Singly Linked List

    Determine if a given singly linked list of integers contains a cycle.

    Explanation:

    A cycle in a linked list occurs when a node's next points back to a previous node in ...

  • Ans. 

    Detect if a singly linked list has a cycle by using Floyd's Cycle Detection Algorithm.

    • Use Floyd's Cycle Detection Algorithm to detect a cycle in a singly linked list.

    • Maintain two pointers, one moving at twice the speed of the other.

    • If there is a cycle, the two pointers will eventually meet.

    • If one of the pointers reaches the end of the list (null), there is no cycle.

  • Answered by AI
  • Q3. What is an interrupt?
  • Ans. 

    An interrupt is a signal sent to the CPU to alert it of an event that needs immediate attention.

    • Interrupts can be generated by hardware devices or software programs.

    • They can be used to handle events such as keyboard input, mouse clicks, or network activity.

    • Interrupts can be classified as hardware interrupts, software interrupts, or exceptions.

    • Examples of interrupts include the timer interrupt, which is used for multita...

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

    CSMA stands for Carrier Sense Multiple Access. It is a protocol used in network communication to avoid collisions.

    • CSMA allows devices to listen to the network before transmitting data to avoid collisions.

    • If a device senses that the network is busy, it waits for a random amount of time before attempting to transmit.

    • CSMA/CD (Collision Detection) is a variant of CSMA used in Ethernet networks.

    • CSMA/CA (Collision Avoidance)

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

Typical Managerial round.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPANetApp India Pvt Ltd interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Networking, OS, DBMS, Aptitude, OOPSTime required to prepare for the interview - 5 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 interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

18 Questions

  • Q1. UDP v TCP
  • Q2. Connection less vs connection oriented
  • Ans. 

    Connection-oriented protocols establish a dedicated end-to-end connection before data transmission, while connectionless protocols do not.

    • Connection-oriented protocols ensure reliable data transmission, while connectionless protocols do not guarantee reliability.

    • Connection-oriented protocols are used in applications such as file transfer and email, while connectionless protocols are used in applications such as video s...

  • Answered by AI
  • Q3. Some more basic questions related to networking
  • Q4. 6 people, 6 hats some black, others white, standing in a row, how many can identify the hats on their heads, if they can’t communicate, only make a strategy beforehand
  • Q5. Some more puzzles
  • Q6. Extracurricular activities
  • Q7. Basic questions like analyzing a pen, based on how deep you can think
  • Q8. About yourself?
  • Q9. Experience of the whole day?
  • Ans. 

    My experience of the whole day was productive and challenging.

    • Started the day with a team meeting to discuss project progress

    • Worked on coding and debugging for several hours

    • Collaborated with colleagues to solve complex problems

    • Attended a training session on new software development tools

    • Finished the day by reviewing and documenting my work

  • Answered by AI
  • Q10. Your role in NetApp?
  • Ans. 

    I am a software developer at NetApp.

    • Design and develop software applications

    • Collaborate with cross-functional teams

    • Write clean and efficient code

    • Participate in code reviews and testing

    • Stay up-to-date with emerging trends and technologies

  • Answered by AI
  • Q11. Extra curricular activities, fests etc.?
  • Q12. Questions, if any?
  • Q13. Topic of interest and why
  • Q14. Explain your internship
  • Q15. 8 ball puzzle, 7 have same weight 1 has diff
  • Q16. Same puzzle with 9 balls and optimize it
  • Q17. What does a QA do
  • Ans. 

    A QA (Quality Assurance) is responsible for ensuring that software products meet the required quality standards.

    • Develop and execute test plans and test cases

    • Identify and report defects and issues

    • Collaborate with developers to resolve issues

    • Ensure compliance with industry standards and regulations

    • Continuously improve testing processes and methodologies

  • Answered by AI
  • Q18. About netapp?

Interview Preparation Tips

Round: Test
Experience: First a written round was conducted. Written was based on Programming, Data structure, OS and Aptitude. There were 4 sections with a total of 50 questions to be done in 1 hour, with each section having individual cut-off.

Skills: Data structure, Algorithm, Java
College Name: NA

Skills evaluated in this interview

Interview Questionnaire 

26 Questions

  • Q1. Define IP tables
  • Ans. 

    IP tables is a firewall configuration tool in Linux.

    • IP tables is used to filter network traffic based on a set of rules.

    • It can be used to block or allow traffic based on source/destination IP address, port number, protocol, etc.

    • IP tables is configured using the command line interface.

    • It is commonly used in Linux servers to secure the network.

    • Example: iptables -A INPUT -s 192.168.1.0/24 -j DROP

  • Answered by AI
  • Q2. Write a program to traverse a linked list
  • Ans. 

    Program to traverse a linked list

    • Start from the head node

    • Iterate through each node until the end is reached

    • Perform necessary operations on each node

  • Answered by AI
  • Q3. Write a program to reverse a linked list. → how will you do it if you are allowed to use extra space?
  • Ans. 

    Program to reverse a linked list using extra space.

    • Create a new empty linked list

    • Traverse the original linked list and push each node to the new linked list

    • Return the new linked list as the reversed linked list

  • Answered by AI
  • Q4. In a knockout football tournament, there are n teams. find total no. of matches to be played to choose the winner of the tournament
  • Ans. 

    Find the total number of matches to be played in a knockout football tournament with n teams.

    • The number of matches played in a knockout tournament is always one less than the number of teams.

    • Use the formula (n-1) to calculate the total number of matches.

    • For example, in a tournament with 8 teams, the total number of matches played would be 7.

  • Answered by AI
  • Q5. Given two nodes of a tree, find their closest ancestor
  • Ans. 

    Find closest ancestor of two nodes in a tree

    • Traverse the tree from root to both nodes and store the paths

    • Compare the paths to find the closest common ancestor

    • Use recursion to traverse the tree and find the ancestor

    • If one node is an ancestor of the other, return the ancestor node

  • Answered by AI
  • Q6. What is segmentation fault?
  • Ans. 

    Segmentation fault is a type of error that occurs when a program tries to access a memory location that it is not allowed to access.

    • Segmentation fault is also known as segfault.

    • It is a common error in C and C++ programming languages.

    • It occurs when a program tries to access a memory location that it is not allowed to access, such as an area of memory that has not been allocated to the program.

    • This can happen due to a va...

  • Answered by AI
  • Q7. If u have a million numbers, how will u find the maximum number from them if → the input is given on the fly i.e. the numbers are entered one by one. → numbers are given 1000 at a time
  • Ans. 

    To find the maximum number from a million numbers entered on the fly or 1000 at a time.

    • Create a variable to store the maximum number and initialize it to the first number entered

    • Compare each subsequent number entered with the current maximum and update the variable if necessary

    • If numbers are given 1000 at a time, store the maximum of each batch and compare them at the end to find the overall maximum

  • Answered by AI
  • Q8. For a kernel level process, should the variables be stored in a stack or a heap?
  • Ans. 

    Variables for kernel level process should be stored in stack.

    • Stack is faster than heap for accessing variables.

    • Stack is limited in size, so use it for small variables.

    • Heap is used for larger variables that need to persist beyond the function call.

    • Kernel level processes should avoid dynamic memory allocation.

  • Answered by AI
  • Q9. What is internal fragmentation?
  • Ans. 

    Internal fragmentation is the unused memory space within a partition or block.

    • Occurs when allocated memory is larger than required

    • Leads to inefficient use of memory

    • Can be reduced by using memory allocation techniques like paging or segmentation

  • Answered by AI
  • Q10. Can u compare 2 structure variables in c? why? why not? → what is cell padding? why cell padding?
  • Ans. 

    In C, structure variables cannot be directly compared using the comparison operators. Cell padding is used to align data in memory for efficiency.

    • Structure variables in C cannot be compared directly using comparison operators like == or !=. Instead, you need to compare each member of the structure individually.

    • Cell padding refers to the practice of adding empty bytes between structure members to align them in memory. T...

  • Answered by AI
  • Q11. Where are global (initialized + uninitialized) variables and local variables of a program stored?
  • Ans. 

    Global variables are stored in data segment while local variables are stored in stack memory.

    • Global variables are accessible throughout the program while local variables are only accessible within their scope.

    • Global variables are initialized to default values while local variables are not.

    • Global variables can be modified by any function while local variables can only be modified within their scope.

  • Answered by AI
  • Q12. How is the control of program passed from main() to any other function? where is the return address of main stored?
  • Ans. 

    Control is passed through function calls. Return address of main is stored in the stack.

    • Control is passed to a function when it is called from main()

    • The function executes and returns control to main() using the return statement

    • The return address of main() is stored in the stack

    • When the function returns, the return address is used to resume execution in main()

  • Answered by AI
  • Q13. How to calculate the square root of a number?? note: your compiler does not support math.h
  • Ans. 

    To calculate square root without math.h, use Newton's method.

    • Choose a number to find the square root of

    • Make an initial guess for the square root

    • Use Newton's method to refine the guess

    • Repeat until desired accuracy is achieved

    • Newton's method: new_guess = (guess + (number/guess))/2

  • Answered by AI
  • Q14. If you have 4 eggs and you are in a 30 floor building, find the lowest floor from which the eggs break when dropped. if on dropping, the egg does not break you can not pick it up again
  • Ans. 

    Find the lowest floor from which an egg breaks when dropped from a 30 floor building with 4 eggs.

    • Use binary search approach to minimize the number of drops

    • Start dropping the egg from the middle floor and check if it breaks

    • If it breaks, start dropping from the middle of the lower half, else start from the middle of the upper half

    • Repeat the process until the lowest floor is found

  • Answered by AI
  • Q15. If u hav a file system which is 95% full and now when new files are created, the os deletes the largest file, find the data structure to be used
  • Q16. If we use a heap in Q6, what will be the disadvantages of that approach
  • Ans. 

    Using a heap in Q6 can have certain disadvantages.

    • Heap operations are slower than array operations.

    • Heap requires extra memory allocation.

    • Heap may not be suitable for small datasets.

    • Heap may not be efficient for certain types of data structures.

    • Heap may lead to fragmentation of memory.

  • Answered by AI
  • Q17. In a unix or linux file system, how is a file path resolved? e.g given path of file: /root/home/mnit/abc.txt, how does an os finds where abc.txt is stored in memory??
  • Q18. Explain about your summer internship? what challenges did u face? → if you developed a software, what was the lifecycle model used?
  • Ans. 

    I interned at XYZ company and developed a software using Agile methodology. Faced challenges in meeting deadlines.

    • Interned at XYZ company and developed a software

    • Used Agile methodology for software development

    • Faced challenges in meeting deadlines

    • Collaborated with team members to overcome challenges

  • Answered by AI
  • Q19. Find an engineering solution to a given social problem
  • Ans. 

    Engineering solution to reduce plastic waste

    • Develop biodegradable plastics

    • Create recycling machines for households

    • Implement a deposit system for plastic bottles

    • Encourage the use of reusable bags and containers

    • Design products with minimal packaging

    • Develop a system to convert plastic waste into fuel

  • Answered by AI
  • Q20. We use cylindrical beaker in our daily life to measure different solutions. we have to bend in front of the beaker to see the level of the solution. find an efficient solution where we dont have to bend t...
  • Q21. What is your experience of the whole day?
  • Q22. What part did you like best in our ppt?
  • Ans. 

    I really enjoyed the section on your development process.

    • The detailed explanation of your agile methodology was impressive.

    • The emphasis on collaboration and communication stood out to me.

    • The use of real-life examples to illustrate your process was helpful.

    • I appreciated the focus on continuous improvement and learning.

    • Overall, it gave me a good understanding of how your team works and what to expect if I were to join.

  • Answered by AI
  • Q23. Are you clear about your role in netApp?
  • Ans. 

    Yes, my role as a software developer at NetApp is clear.

    • My role is to develop and maintain software applications for NetApp.

    • I work closely with other developers, project managers, and stakeholders to ensure that the software meets the needs of the business.

    • I am responsible for writing clean, efficient, and well-documented code.

    • I also participate in code reviews and contribute to the overall development process.

    • For exam...

  • Answered by AI
  • Q24. What subjects did u like the best in clg? why?
  • Ans. 

    I enjoyed computer science and mathematics the most in college.

    • Computer Science - I loved learning about algorithms, data structures, and programming languages.

    • Mathematics - I enjoyed solving complex problems and understanding mathematical concepts.

  • Answered by AI
  • Q25. Extra curricular activities in clg?
  • Ans. 

    Participated in various technical and cultural events, volunteered for social causes.

    • Participated in coding competitions like CodeChef, HackerRank, etc.

    • Organized technical events like hackathons, coding workshops, etc.

    • Volunteered for social causes like blood donation camps, cleanliness drives, etc.

    • Participated in cultural events like dance competitions, music concerts, etc.

  • Answered by AI
  • Q26. Any queries about our company or the compensation package etc

Interview Preparation Tips

Round: Test
Experience: First a written round was conducted. Written was based on Programming, Data structure, OS and Aptitude/Quant.

Skills: Algorithm, Data structure
College Name: MNIT Jaipur

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I was interviewed in Jan 2024.

Round 1 - Coding Test 

Had a DSA question based on maps, CSS related MCQ and prototype related MCQ

Round 2 - One-on-one 

(1 Question)

  • Q1. Solved basic DSA question hashmap
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement

Round 1 - Technical 

(1 Question)

  • Q1. A simple linked list question
Round 2 - HR 

(1 Question)

  • Q1. Detect cycle in undirected graph
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Nov 2022.

Round 1 - Coding Test 

Standard tree question was asked

Round 2 - HR 

(2 Questions)

  • Q1. Things like why do you want to join and stuff
  • Q2. What excites you about software deevelopment
  • Ans. 

    The endless possibilities of creating something new and useful excites me about software development.

    • The ability to solve complex problems through coding

    • The satisfaction of seeing a project come to life

    • The opportunity to constantly learn and improve skills

    • The potential to make a positive impact on society through technology

    • Examples: creating a mobile app that helps people track their fitness goals, developing software ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing in particular. Just be well versed with standard hr questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

The duration of the test was one hour and there were two questions in it.

Round 3 - Technical 

(2 Questions)

  • Q1. The question was based on two pointers technique.
  • Q2. The answer was based on two pointers technique.

Interview Preparation Tips

Interview preparation tips for other job seekers - The most important thing is to be good at DSA and problem solving on different coding platforms.
Contribute & help others!
anonymous
You can choose to be anonymous

Recently Viewed

INTERVIEWS

Cognizant

No Interviews

SALARIES

Optum Global Solutions

REVIEWS

Adani Ports and SEZ

No Reviews

REVIEWS

Optum Global Solutions

No Reviews

INTERVIEWS

Quest Global

No Interviews

INTERVIEWS

Wipro

No Interviews

DESIGNATION

INTERVIEWS

Qualcomm

No Interviews

PHOTOS

Adani Ports and SEZ

No Photos

INTERVIEWS

Apple

No Interviews

Tell us how to improve this page.

Interview Questions from Similar Companies

Zoho Interview Questions
4.3
 • 516 Interviews
Veritas Interview Questions
4.0
 • 64 Interviews
NetApp Interview Questions
3.9
 • 64 Interviews
Mobileum Interview Questions
3.3
 • 37 Interviews
Entrata Interview Questions
4.4
 • 34 Interviews
Druva Interview Questions
3.7
 • 25 Interviews
Twilio Interview Questions
3.9
 • 23 Interviews
View all
CommVault Software Developer Intern Salary
based on 4 salaries
₹28 L/yr - ₹34 L/yr
383% more than the average Software Developer Intern Salary in India
View more details
Technical Specialist
67 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Software Engineer
48 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Engineer
36 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Engineer
25 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Software Engineer
21 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Explore more salaries
Compare CommVault with

Veeam Software

4.0
Compare

NetApp

3.9
Compare

Druva

3.7
Compare

RUBRIK INDIA

3.6
Compare
Did you find this page helpful?
Yes No
write
Share an Interview
Rate your experience using AmbitionBox
Terrible
Terrible
Poor
Poor
Average
Average
Good
Good
Excellent
Excellent