Interview Experience by rishab garg

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One Convergence

3 rounds | 5 Coding problems

rishab garg

Fresher | Sep 2020

Rejected

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Interview preparation journey

Preparation

Duration: 6 months

Topics: Operating System, Computer Networks, DBMS, Data Structure, OOPS

Tip

Tip 1 : Do at least some project work.
Tip 2 : Practice at least 250 questions.

Application process

Where: Campus

Eligibility: Above 6 CGPA

Resume tip

Tip 1 : Put some projects on resume.
Tip 2 : Do not put false things on resume.

Interview rounds

Round

Medium

Face to Face

Duration60 minutes

Interview date29 Sep 2020

Problems1

Project And OS Questions

1. Explain your final year project
2. What is grey hole attack?
3. What is semaphore?
4. What is mutex?
5. Difference between mutex and semaphore.
6. What is virtual memory?
7. Difference between thread and process.
8. Write a program to implement semaphore

Round

Medium

Face to Face

Duration40 minutes

Interview date29 Sep 2020

Problems3

Computer Networks and OS Questions

What is SSH, SSL, SDN ?
Difference between TCP and UDP ?
What is virtual, physical memory?
What is critical section?

Convert Bst To The Greater Sum Tree

You have been given a Binary Search Tree of integers. You are supposed to convert it to a greater sum tree such t...

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Middle of Linked List

Given the head node of the singly linked list, return a pointer pointing to the middle of the linked list.

If there are an odd n...

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Round

Medium

Face to Face

Duration40 minutes

Interview date29 Dec 2020

Problems1

OS and DBMS Questions

What is deadlock?
What is segmentation fault?
What is page fault?
What is exception?
What will be stored in data section, heap, stack in memory?
What are application of stacks?
What is TTL in ipv4 and its uses?
What is priority inversion?
What is priority inheritance?
What is normalisation and denormalisation