Inn-think Technologies Tech Support Interview Questions and Answers

Q1. What is ip adress
Ans. 
An IP address is a unique numerical label assigned to each device connected to a computer network.
• IP address stands for Internet Protocol address.

• It is used to identify and locate devices on a network.

• There are two types of IP addresses - IPv4 and IPv6.

• IPv4 addresses are written in the format xxx.xxx.xxx.xxx, where each 'xxx' can be a number from 0 to 255.

• IPv6 addresses are written in a longer format with hexadecimal c
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Q2. What types of ip adress
Ans. 
There are two types of IP addresses - IPv4 and IPv6.
• IPv4 addresses are 32-bit numerical addresses written in the format of four sets of numbers separated by periods (e.g. 192.168.1.1)

• IPv6 addresses are 128-bit hexadecimal addresses written in the format of eight groups of four hexadecimal digits separated by colons (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334)
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Round duration - 60 Minutes
Round difficulty - Easy

Q1. 
Spiral Order Traversal of a Binary Tree Problem Statement
Given a binary tree with 'N' nodes, your task is to print the nodes in spiral order traversal.
Example:
Input:
The binary tree is represented i...read more
Ans. 
Print nodes of a binary tree in spiral order traversal.
• Use a queue to perform level order traversal of the binary tree.

• Alternate between printing nodes from left to right and right to left at each level.

• Handle null nodes represented by '-1' appropriately.

• Example: For input '1 2 3 -1 -1 4 5 -1 -1 -1 -1', the output should be '1 3 2 4 5'.
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Round duration - 60 Minutes
Round difficulty - Easy

Q1. 
Word Break Problem Statement
You are given a list of N strings called A. Your task is to determine whether you can form a given target string by combining one or more strings from A.
The strings from A c...read more
Ans. 
Given a list of strings, determine if a target string can be formed by combining one or more strings from the list.
• Iterate through all possible combinations of strings from the list to form the target string.

• Use recursion to try different combinations of strings.

• Check if the current combination forms the target string.

• Return true if a valid combination is found, otherwise return false.
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Round duration - 60 Minutes
Round difficulty - Easy

Q1. Design an elevator system.
Ans. 
Design an elevator system for efficient vertical transportation.
• Divide building into zones to optimize elevator usage.

• Implement algorithms for efficient elevator scheduling.

• Include safety features like emergency stop buttons and overload sensors.

• Consider user interface for passengers to select floors and monitor elevator status.
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