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LinkedIn Interview Questions, Process, and Tips
Top LinkedIn Interview Questions and Answers
- Q1. Optimal BST Problem Statement You are given a sorted array representing keys of a BST and an array of frequency counts showing how often each key is searched. Your task ...read moreasked in Software Developer interview
- Q2. Determine Count of Good Triplets You are given two arrays ARR1 and ARR2 , containing N and M elements respectively. There are two types of 'good triplets' that need to b ...read moreasked in Software Developer Intern interview
- Q3. What is the difference in checked and unchecked exceptions ?asked in Senior Engineer interview
LinkedIn Interview Experiences
65 interviews found
Anonymous
Interview Questionnaire
15 Questions
- Q1. Design a complete system for “Traffic enforcement camera” (-----Traffic_enforcement_camera)
- Q2. He asked to tell as many as test cases possible for the scenario
- Q3. What type of testings should be performed on this system?
- Q4. My first project as it was related to Image processing then some basic stuff about system calls and Unix commands
- Q5. Do you know about any software testing framework?
- Ans.
Yes, there are several software testing frameworks available.
Software testing frameworks provide a structured approach to testing software applications.
They offer a set of guidelines, tools, and libraries to automate and streamline the testing process.
Some popular software testing frameworks include Selenium, JUnit, TestNG, and Cucumber.
Selenium is widely used for web application testing, while JUnit and TestNG are com...
- Q6. What is the best protocol to store images?
- Ans.
The best protocol to store images is JPEG.
JPEG is a widely used image compression format.
It provides a good balance between image quality and file size.
JPEG supports millions of colors and is suitable for photographs and complex images.
Other protocols like PNG and GIF have their own advantages but may not be as efficient for storing images.
- Q7. How JSON(JavaScript Object Notation) works?
- Ans.
JSON is a lightweight data interchange format used to store and transmit data in a readable format.
JSON uses key-value pairs to represent data.
It is language-independent and easy to understand.
JSON data types include strings, numbers, booleans, arrays, and objects.
Example: {"name": "John", "age": 25}
JSON can be used with various programming languages and APIs.
- Q8. Which database to use and when ?
- Q9. One liner command to kill all process in the system which were using JAVA?
- Ans.
Kill all processes using JAVA with one liner command.
Use the 'pkill' command with the '-f' option to match the process name
Combine it with the 'pgrep' command to get the process IDs of JAVA processes
Use a loop to kill each process by its ID
- Q10. Difference between TOP and PS commands? why TOP is called TOP?
- Ans.
TOP and PS are commands used in Unix-like operating systems to display information about running processes. TOP is called TOP because it shows the top processes consuming system resources.
TOP is an interactive command that continuously updates the process list, while PS displays a snapshot of the current processes.
TOP provides real-time information about CPU usage, memory usage, and other system statistics, while PS pr...
- Q11. Explain XSS attacks and how to prevent it? and the same for sqli? Any experience with them?
- Ans.
XSS attacks involve injecting malicious scripts into web pages, while SQLi attacks involve manipulating database queries. Prevention includes input validation and parameterized queries.
XSS attacks involve injecting malicious scripts into web pages to steal data or perform actions on behalf of the user
Prevention methods for XSS attacks include input validation, output encoding, and using Content Security Policy (CSP)
SQL...
- Q12. Algorithmic : -----/ gives as many solutions you can? Then ..tell about their time and space complexity?
- Q13. Explain your final year project?
- Q14. Why should I hire you , not others?
- Q15. Experiences with automated and manual testings ?
- Ans.
Automated testing involves using software tools to execute tests, while manual testing is performed by humans.
Automated testing is faster and more efficient than manual testing.
Automated testing can be used to perform repetitive tasks and regression testing.
Manual testing allows for exploratory testing and human judgment.
Automated testing requires initial setup and maintenance of test scripts.
Both types of testing have
Interview Preparation Tips
Experience: Online round (1 hour on hackerrank):1. There are ‘n’ ticket windows in the railway station, ith window has ai tickets available. Price of a ticket is equal to the number of tickets remaining in that window at that time. When ‘m’ tickets have been sold, what’s the maximum amount of money the railway station can earn?
e.g.
INPUT: n=2, m=4
a1=2 , a2=5
OUTPUT: 14(2nd window sold 4 tickets so 5+4+3+2).2. You are given a 2-D matrix with M rows and N columns.You are initially positioned at (0,0) which is the top-left cell in the array. You are allowed to move either right or downwards. The array is filled with 1’s and 0’s. A 1 indicates that you can move through that cell, a 0 indicates that you cannot move through that cell. Return the number of paths from top-left cell to bottom-right cell.(i.e. (0,0)to(M-1,N-1)). Since answer can be large thus you have to return ans%(10^9+7).Constraints: Best time and space complexity were required to cover all the test cases for both questions.
Round: TECHNICAL INTERVIEW
Experience: 1. Given a string of characters , parse the numeric values in it ,add all of them and return the result.
Lot of discussion regarding the various test cases around this question(e.g, handing of -ve numbers , decimals , overflow etc).
Main concentration was just to get as many as test cases possible and an efficient solution as well.
And Some common question like why you coding in C++? Advantages of OOP?
Round: TECHNICAL INTERVIEW
Experience: Again one coding question to be done on shared screen.
1. Given an array of positive integers, find all possible triangle triplets that can be formed from this array.
eg: 9 8 10 7
ans: 9 8 10, 9 8 7, 9 10 7, 7 8 10
Note : array not sorted, there is no limit on the array length.Again the main concentration was to work around all possible test cases and an efficient solution as well.
College Name: NA
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Minimum Knight Moves (LC Medium)
- Q2. OS, CN, DB concepts like multithreading, semaphore, tcp vs udp, transaction and ACId properties. Java concepts like stack vs heap(memory), error vs exception. Any 1 Project discussion for 10 mins
Interview Preparation Tips
Senior Software Engineer Interview Questions asked at other Companies
Selected
Prepare for a mock success review with the client, during which they will provide you with data for analysis. You will need to analyze this data and offer recommendations to your customers. You have approximately five days to prepare.
Customer Success Manager Interview Questions asked at other Companies
Selected
I applied via Approached by Company and was interviewed in Aug 2024. There were 3 interview rounds.
Asked Fizbuzz and Char replace in a string
(2 Questions)
- Q1. Basic of Linux OS
- Q2. Network troubleshooting
(2 Questions)
- Q1. Design a monitoring system
- Ans.
Design a monitoring system for SiteOps
Identify key metrics to monitor such as server uptime, response time, and error rates
Implement monitoring tools like Nagios, Zabbix, or Prometheus to track these metrics
Set up alerts for critical thresholds to notify the team in case of issues
Create dashboards to visualize the data and trends for easy monitoring
Regularly review and update the monitoring system to ensure it remains
- Q2. Examples of automation
- Ans.
Automation in SiteOps involves using tools and scripts to streamline processes and reduce manual tasks.
Automated deployment scripts for deploying code changes to servers
Monitoring tools that automatically alert when server resources are low
Automated backup processes for data protection
Scheduled tasks for routine maintenance like database cleanup
Skills evaluated in this interview
LinkedIn interview questions for popular designations
Selected
I applied via Job Fair and was interviewed in Jul 2024. There were 2 interview rounds.
More focus on dp,graphs.
(2 Questions)
- Q1. Focus on backend concepts,routing.
- Q2. Question on flood fill algo,backtracking.
Top LinkedIn Software Developer Intern Interview Questions and Answers
Software Developer Intern Interview Questions asked at other Companies
Get interview-ready with Top LinkedIn Interview Questions
(2 Questions)
- Q1. Find the leaves of the tree.
- Ans.
Leaves of a tree are the nodes with no children in a tree data structure.
Traverse the tree and identify nodes with no children.
Use depth-first search or breadth-first search algorithms to find leaves.
Examples: In a binary tree, leaves are nodes with no left or right child.
In a general tree, leaves are nodes with no children in their child list.
- Q2. Find the LCA of tree.
- Ans.
The Lowest Common Ancestor (LCA) of a tree is the shared ancestor of two nodes farthest from the root.
Start from the root and traverse the tree to find the paths from the root to the two nodes.
Compare the paths to find the last common node between them, which is the LCA.
If one of the nodes is an ancestor of the other, then the ancestor node is the LCA.
(2 Questions)
- Q1. What projects you worked upon?
- Ans.
I have worked on projects involving web development, mobile app development, and data analysis.
Developed a web application using React and Node.js for a client in the e-commerce industry
Created a mobile app using Flutter for a startup in the healthcare sector
Performed data analysis on customer behavior using Python and SQL for a marketing company
- Q2. What internships you did?
- Ans.
I completed internships at ABC Company and XYZ Company during my undergraduate studies.
Interned at ABC Company working on web development projects
Interned at XYZ Company assisting with software testing and quality assurance
Gained hands-on experience in coding, debugging, and problem-solving
Interview Preparation Tips
Skills evaluated in this interview
Software Engineer Interview Questions asked at other Companies
Selected
I applied via LinkedIn and was interviewed in Apr 2024. There were 4 interview rounds.
This was a technical round where they check how you approach a problem. The questions were around SQL, Linux commands, basics of HTML and Rest API basic troubleshooting
(1 Question)
- Q1. Behavioural Round where managers interact directly with you on your previous experiences, achievements and failures
(1 Question)
- Q1. One more culture fit round where manager checks your hunger for learning and contributing to the company. Also, checks if you align with Linkedin's culture & values
(1 Question)
- Q1. This was my last round with HR where they discuss your salary & benefits
Technical Specialist Interview Questions asked at other Companies
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
(1 Question)
- Q1. General discussion on previous experiences
Case study on any industry review, with inmail, discovery call and elevator pitch
Sales Development Representative Interview Questions asked at other Companies
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
Online test on hacker rank . difficult level
Assignmemt on sorting array
Softwaretest Engineer Interview Questions asked at other Companies
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
LFU cache implimentation
Member Technical Staff Software Interview Questions asked at other Companies
Anurag Singh
I was asked a question based on strings that required BFS to solve.
(1 Question)
- Q1. Given a binary tree, do right rotation on each node.
- Ans.
Perform right rotation on each node of a binary tree.
Start from the root node and perform right rotation on each node in a recursive manner.
Update the parent-child relationships accordingly after each rotation.
Ensure that the binary tree structure is maintained throughout the process.
Senior Software Developer Interview Questions asked at other Companies
Top trending discussions
LinkedIn Interview FAQs
Some of the top questions asked at the LinkedIn interview -
The duration of LinkedIn interview process can vary, but typically it takes about less than 2 weeks to complete.
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