Subex Team Lead Operations Interview Questions and Answers

Duration: 1hr
Topics: Array, LinkedList,Stack

Q1. Write code for Insertion in a binary tree.
Ans. 
Code for insertion in a binary tree
• Create a new node with the given data

• If the tree is empty, make the new node as root

• Else, traverse the tree to find the appropriate position to insert the new node

• If the data is less than the current node, go to the left subtree

• If the data is greater than the current node, go to the right subtree

• Repeat until an appropriate position is found

• Set the new node as the child of the appropri
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Q2. Write code for quick sort
Ans. 
Quick sort is a divide-and-conquer algorithm that sorts an array by partitioning it into two sub-arrays.
• Choose a pivot element from the array

• Partition the array around the pivot element

• Recursively apply quick sort to the left and right sub-arrays

• Combine the sorted sub-arrays to get the final sorted array
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Q1. Various DBMS related question(JOINS, SORT, LIMIT)
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Q1. Tell us about yourself.
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Q2. Why do want to join the company
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Logical reasoning and verbals

Data science and computer networking

Q1. Dbms and oops ,data science and objects orientation
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Q2. Demand paging and network topology
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Q3. Difference between tcp and udp
Ans. 
TCP is connection-oriented, reliable, and slower, while UDP is connectionless, unreliable, and faster.
• TCP is connection-oriented, meaning a connection must be established before data can be transmitted.

• TCP is reliable, as it ensures that all data is received in the correct order without errors.

• UDP is connectionless, meaning data can be sent without establishing a connection first.

• UDP is unreliable, as it does not guara...read more
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Q4. Computer networking and types of topology
Ans. 
Computer networking involves connecting multiple devices to share resources and information. Different types of network topologies include bus, star, ring, mesh, and hybrid.
• Bus Topology: All devices are connected to a single cable, like a bus route.

• Star Topology: All devices are connected to a central hub, like a star.

• Ring Topology: Each device is connected to two other devices, forming a ring.

• Mesh Topology: Every devi...read more
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Q5. Binarysearch and linked list of nodes bounded
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Operating systems and computer networks

Q1. C programming and Java programming
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Q1. Write a c program to store employee id and name
Ans. 
C program to store employee id and name using array of strings
• Declare an array of strings to store employee id and name

• Use scanf to input employee id and name

• Print the stored employee id and name using printf
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Basic aptitude with logical and verbal and reasoning.also microprocessor and micro controller.

We were divided into 10 and ques were asked from dbms,ds,os,cn

Logical mathematical and quantitative

Explain about e vehicle

Q1. What is the difference between flip flop and latches
Ans. 
Flip flops are clocked storage elements that store data based on clock signal, while latches are level-sensitive storage elements that store data based on enable signal.
• Flip flops are edge-triggered, while latches are level-triggered.

• Flip flops have two stable states (0 and 1), while latches have only one stable state.

• Flip flops are used in synchronous circuits, while latches are used in asynchronous circuits.
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