InfinityLabs Senior Network Security Engineer Interview Questions and Answers

There are basic aptitude questions for freshers level

Q1. Oops concepts, basics of sql
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Q2. Basics of programming language
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The test was in hackerrank platform, it was moderate level.

Dsa problems dp and tress problem

Q1. Tell me about your self
Ans. 
I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.
• 5 years of experience in software development

• Proficient in developing web applications

• Skilled in using various technologies

• Passionate about software engineering
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Q2. Projects and intership
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Includes basic aptitude question with additional questions based on coding languages fundamentals.....

Q1. Question were based on oops concepts. My next question was write a code of binary search and explain it and lastly I was asked an aptitude question ...
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Q2. Write a code of binary search and explain it
Ans. 
Binary search is a search algorithm that finds the position of a target value within a sorted array.
• Divide the array into two halves

• Compare the target value with the middle element

• If the target value matches the middle element, return its position

• If the target value is less than the middle element, search the left half of the array

• If the target value is greater than the middle element, search the right half of the arra...read more
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Basic coding questions with some aptitude questions

Q1. Object oriented programming
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Q2. ArrayList deleting even numbers
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General aptitude and reasoning

General coding questions

Q1. 2 medium coding questions, oops concepts and CS fundamentals
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Q1. Linux basics, coding questions
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Q1. Basic C++, Multithreading
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Q2. Be prepared for a linked list question
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Q1. Explain DHCP and process of working
Ans. 
DHCP is a network protocol that assigns IP addresses automatically to devices on a network.
• DHCP stands for Dynamic Host Configuration Protocol

• It allows devices to obtain IP addresses and other network configuration information dynamically

• DHCP server assigns IP addresses to devices within a network

• DHCP lease time determines how long an IP address is valid for a device

• DHCP renewal process occurs when a device tries to re
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Q2. Useless question beyond your jobs like mathematics
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