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10+ GMR Group Interview Questions and Answers

Updated 2 Apr 2024
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Q1. 18. How to find how much process are running on server

Ans.

Use command line tools like 'ps' or 'top' to find the number of running processes on a server.

  • Use 'ps aux' command to list all running processes and count the number of lines

  • Use 'top' command and look for the 'Tasks' section which shows the number of running processes

  • Use 'htop' command which provides a more interactive and detailed view of running processes

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Q2. 19. For taking Wireshark logs which command we use

Ans.

The command used for taking Wireshark logs is 'tcpdump'.

  • Wireshark is a network protocol analyzer tool

  • Tcpdump is a command-line tool used to capture network traffic

  • Tcpdump can be used to capture packets and save them as a file for analysis in Wireshark

  • Example command: tcpdump -i eth0 -w capture.pcap

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Q3. 6. Which bandwidth are you using with RB's

Ans.

RB's bandwidth usage depends on the specific product and its features.

  • RB's have different bandwidth usage depending on the product

  • The bandwidth usage also depends on the features of the product

  • Examples of RB's with different bandwidth usage are RB750Gr3 and RB4011iGS+RM

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Q4. 5. Which numerology are you using

Ans.

I am not using any numerology in my work as a Senior Software Engineer.

  • I do not believe in numerology and do not use it in my work.

  • My focus is on writing efficient and effective code.

  • Numerology has no place in software engineering.

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Q5. A variation of number of connected islands from graph

Ans.

Count the number of connected islands in a graph

  • Use Depth First Search (DFS) or Breadth First Search (BFS) to traverse the graph and mark visited nodes

  • Keep track of the number of islands encountered during traversal

  • An island is a group of connected 1s in a 2D grid, where '1' represents land and '0' represents water

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Q6. Thread synchronisation, print alternate numbers using 5 different threads

Ans.

Use 5 threads to print alternate numbers with thread synchronization

  • Create 5 threads, each responsible for printing a specific set of numbers

  • Use mutex or semaphore to synchronize the threads

  • Thread 1 prints odd numbers, Thread 2 prints even numbers, and so on

  • Ensure proper handling of thread creation and synchronization

  • Example: Thread 1 prints 1, 3, 5, ... Thread 2 prints 2, 4, 6, ...

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Q7. 13. Find loop in linked list

Ans.

To find a loop in a linked list, use Floyd's cycle-finding algorithm.

  • Use two pointers, one moving at a rate of one node per iteration and the other moving at a rate of two nodes per iteration.

  • If there is a loop, the two pointers will eventually meet at the same node.

  • If there is no loop, the faster pointer will reach the end of the list.

  • Time complexity: O(n), Space complexity: O(1)

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Q8. 16 .what is semaphore

Ans.

Semaphore is a synchronization object used to control access to a shared resource.

  • Semaphore is a signaling mechanism used to control access to a shared resource

  • It maintains a count of available resources and blocks the thread if the count is zero

  • Semaphore can be used to implement critical sections, mutexes, and barriers

  • Examples include controlling access to a database or limiting the number of concurrent connections

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Q9. 1. Bwp part concept

Ans.

BWP part concept refers to the concept of breaking down a software system into smaller, more manageable parts.

  • BWP stands for Break-When-Problematic

  • It helps in identifying and isolating issues in the system

  • Each part should have a clear responsibility and interface with other parts

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Q10. 12. What is cce

Ans.

CCE stands for Continuous and Comprehensive Evaluation.

  • CCE is a system of evaluation in education that assesses students' progress continuously throughout the year.

  • It is a comprehensive approach that takes into account various aspects of a student's development, including academic, social, and emotional.

  • CCE aims to reduce the emphasis on rote learning and promote a more holistic approach to education.

  • It was introduced in India as part of the Right to Education Act in 2009.

  • Und...read more

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Q11. 14 . WAP set bit or reset bit

Ans.

WAP set bit or reset bit is a programming concept used to manipulate individual bits in a binary number.

  • Setting a bit involves changing its value from 0 to 1.

  • Resetting a bit involves changing its value from 1 to 0.

  • This concept is commonly used in low-level programming and hardware manipulation.

  • Example: Setting the 3rd bit of a binary number 1010 would result in 1110.

  • Example: Resetting the 2nd bit of a binary number 1101 would result in 1001.

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Q12. 2. What is corset

Ans.

Corset is a tight-fitting undergarment worn to shape and support the torso.

  • Corsets were popular in the Victorian era.

  • They were worn by women to achieve an hourglass figure.

  • Modern corsets are often used as fashion statements or for waist training.

  • Corsets can be made of various materials such as satin, leather, or lace.

  • They can be fastened with laces, hooks, or zippers.

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Q13. 4. Ue attach procedure

Ans.

UE attach procedure is a process in LTE network where a UE establishes a connection with the network.

  • UE sends RRC Connection Request message to eNodeB

  • eNodeB sends RRC Connection Setup message to UE

  • UE sends RRC Connection Setup Complete message to eNodeB

  • eNodeB sends RRC Connection Reconfiguration message to UE

  • UE sends RRC Connection Reconfiguration Complete message to eNodeB

  • UE is now attached to the network

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Q14. 17. Array vs linkedlist

Ans.

Arrays are faster for random access, while linked lists are better for frequent insertions and deletions.

  • Arrays have a fixed size, while linked lists can grow dynamically.

  • Arrays are stored in contiguous memory, while linked lists use pointers to connect nodes.

  • Accessing an element in an array is O(1), while in a linked list it is O(n).

  • Inserting or deleting an element in an array is O(n), while in a linked list it is O(1) if you have a reference to the node.

  • Arrays are better fo...read more

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Q15. 3. Rach procedure

Ans.

Rach procedure is a surgical procedure used to correct scoliosis.

  • Rach procedure involves placing screws and rods in the spine to straighten it.

  • It is typically used for patients with severe scoliosis.

  • The procedure can take several hours and requires a hospital stay.

  • Physical therapy is often necessary after the procedure to aid in recovery.

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