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Infosys Specialist Programmer Interview Questions and Answers for Freshers
24 Interview questions
I have utilized various cloud processes including deployment, data storage, and serverless computing in my projects.
Implemented CI/CD pipelines using AWS CodePipeline for automated deployments.
Utilized AWS S3 for scalable data storage and backup solutions.
Developed serverless applications using AWS Lambda to reduce infrastructure management.
Leveraged Azure Functions for event-driven processing in real-time applica...
Dijkstra's Algorithm finds the shortest path in graphs, useful for navigation, logistics, and network routing.
1. Navigation Systems: Used in GPS to find the shortest route between two locations.
2. Network Routing: Helps in determining the most efficient data packet paths in computer networks.
3. Logistics: Optimizes delivery routes for transportation companies to minimize travel time and costs.
4. Urban Planning: As...
Joins in DBMS are used to combine rows from two or more tables based on a related column between them.
Inner Join: Returns rows when there is at least one match in both tables.
Left Join: Returns all rows from the left table and the matched rows from the right table.
Right Join: Returns all rows from the right table and the matched rows from the left table.
Full Outer Join: Returns rows when there is a match in one of...
Deadlock in OS occurs when two or more processes are unable to proceed because each is waiting for the other to release a resource.
Deadlock happens when processes have acquired resources but are waiting for additional resources that are held by other processes.
Four conditions must hold for deadlock to occur: mutual exclusion, hold and wait, no preemption, and circular wait.
Deadlock can be prevented by using techni...
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, hierarchical inheritance, hybrid inheritance
Single inheritance: a class inherits from only one base class
Multiple inheritance: a class inherits from multiple base classes
Multilevel inheritance: a class inhe...
Process scheduling algorithms determine the order in which processes are executed by the CPU.
First Come First Serve (FCFS) - Processes are executed in the order they arrive.
Shortest Job Next (SJN) - Process with the shortest burst time is executed next.
Round Robin (RR) - Each process is assigned a fixed time slice for execution.
Priority Scheduling - Processes are executed based on priority levels assigned to them.
...
SQL query to retrieve the n'th highest salary with full details
Use the ORDER BY clause to sort salaries in descending order
Use the LIMIT clause to retrieve the n'th highest salary
Join with the employee table to get full details
Late binding and early binding are concepts in programming related to when the binding of a method to its implementation occurs.
Early binding refers to the process of linking a method call to the method implementation at compile time.
Late binding refers to the process of linking a method call to the method implementation at runtime.
Early binding is also known as static binding, while late binding is also known as ...
Use two pointers to remove duplicates from a sorted array of strings.
Initialize two pointers, one for the current element and one for the next unique element.
Compare current element with next element, if same, move next pointer until a different element is found.
Replace duplicate elements with unique elements found by next pointer.
Mutable objects in Python are objects whose value can be changed after creation.
Lists, dictionaries, and sets are examples of mutable objects in Python.
Changes made to mutable objects directly affect the original object.
Mutable objects can be modified in place using methods like append(), update(), and remove().
Infosys Specialist Programmer Interview Experiences for Freshers
21 interviews found
Anonymous
Selected
I applied via Company Website and was interviewed in May 2024. There were 2 interview rounds.
Infosys conducts coding assessment on the HackWithInfy platform. The assessment includes a medium-level problem & the rest are hard-level similar to LeetCode's. The total duration of the test is 3 hours.
(8 Questions)
- Q1. The question is based on string and it is a hard-level question. (I can't recognise it now)
- Q2. Reverse the linked list.. i solved it by floyed warshall algorithm then interviwer tell me solve it recursive way.
- Q3. What is deadlock in OS & how it overcome?
- Ans.
Deadlock in OS occurs when two or more processes are unable to proceed because each is waiting for the other to release a resource.
Deadlock happens when processes have acquired resources but are waiting for additional resources that are held by other processes.
Four conditions must hold for deadlock to occur: mutual exclusion, hold and wait, no preemption, and circular wait.
Deadlock can be prevented by using techniques ...
- Q4. Which are the process scheduling algorithms and explain each algorithm.
- Ans.
Process scheduling algorithms determine the order in which processes are executed by the CPU.
First Come First Serve (FCFS) - Processes are executed in the order they arrive.
Shortest Job Next (SJN) - Process with the shortest burst time is executed next.
Round Robin (RR) - Each process is assigned a fixed time slice for execution.
Priority Scheduling - Processes are executed based on priority levels assigned to them.
Multi...
- Q5. What are the joins in DBMS and explain each join
- Ans.
Joins in DBMS are used to combine rows from two or more tables based on a related column between them.
Inner Join: Returns rows when there is at least one match in both tables.
Left Join: Returns all rows from the left table and the matched rows from the right table.
Right Join: Returns all rows from the right table and the matched rows from the left table.
Full Outer Join: Returns rows when there is a match in one of the ...
- Q6. Write a SQL query to print n'th highest salary with full details
- Ans.
SQL query to retrieve the n'th highest salary with full details
Use the ORDER BY clause to sort salaries in descending order
Use the LIMIT clause to retrieve the n'th highest salary
Join with the employee table to get full details
- Q7. What are late binding and early binding?
- Ans.
Late binding and early binding are concepts in programming related to when the binding of a method to its implementation occurs.
Early binding refers to the process of linking a method call to the method implementation at compile time.
Late binding refers to the process of linking a method call to the method implementation at runtime.
Early binding is also known as static binding, while late binding is also known as dynam...
- Q8. What is inheritance and explain each type
- Ans.
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, hierarchical inheritance, hybrid inheritance
Single inheritance: a class inherits from only one base class
Multiple inheritance: a class inherits from multiple base classes
Multilevel inheritance: a class inherits ...
Interview Preparation Tips
- DBMS
- OS
- CN
- SQL
- Coding
for CS fundamentals you go with YouTube channels like Apna College, Love Babbar and read and prepare their study materials
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
It was from moderate to difficult.
(2 Questions)
- Q1. 3 DSA questions
- Q2. Breif about projects and resume
Selected
I applied via Company Website and was interviewed in Jan 2024. There were 2 interview rounds.
I attempted HackWithInfy 2024 where I got medium-hard coding questions
(2 Questions)
- Q1. Resume screening, Project Discussion
- Q2. DSA, core subjects
Interview Preparation Tips
Selected
I appeared for an interview before May 2024, where I was asked the following questions.
- Q1. The first round consisted of DSA questions, during which there were three questions. Upon completion of this round, there will be an interview round featuring two medium-level DSA questions
- Q2. During the interview round, basic questions can be expected regarding the projects or work experience, for freshers where the focus may be on coursework or academic projects
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
There will be a coding assesment in round 1. They won't give uou any notice for that. Be prepared
(2 Questions)
- Q1. In round 2 there will be more specialised questions regarding the specific stream you are trying to get into. Eg. In my case big data, there was questions regarding hadoop architecture and pyspark
- Q2. Given a list of natural numbers, find the largest increasing subsequence from it
- Ans.
Find the largest increasing subsequence from a list of natural numbers
Use dynamic programming to keep track of the longest increasing subsequence ending at each index
Iterate through the list and update the longest increasing subsequence for each element
Return the maximum length of the increasing subsequence
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.
Easy questions from leetcode
(1 Question)
- Q1. What is difference between javascript and typescript
- Ans.
JavaScript is a dynamic scripting language, while TypeScript is a statically typed superset of JavaScript.
JavaScript is dynamically typed, while TypeScript is statically typed.
TypeScript supports type checking at compile time, while JavaScript does not.
TypeScript allows for the use of interfaces and advanced OOP features, while JavaScript does not.
TypeScript code needs to be transpiled to JavaScript before it can be ex...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Jul 2023. There were 4 interview rounds.
1 St round only difficult
(1 Question)
- Q1. Oops, binary search
(2 Questions)
- Q1. Basic questions only like oops
- Q2. Oops All concepts, binarysearch, Based on resume
Interview Preparation Tips
Selected
I appeared for an interview before Sep 2023.
3 coding questions nothing to elaborate more here all are shit array question with bits
(4 Questions)
- Q1. Have to join infy? Yes to play in heavy politics environment
- Q2. Have to increase your stress? Yes I have to increase my stress to die soon
- Q3. We charge 100% from client let say 4 lakhs in your name but we will give you only 4-5% of that as salary But they will give pressure to work for that entire amount
- Q4. Don't divide CTC by 12 🥹 that too in infy var pay is full scam
Interview Preparation Tips
Infy will pay same salary for 10 years
Selected
I applied via Approached by Company and was interviewed before Oct 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Problem related to Stack
- Q2. Remove duplicate from sorted array
- Ans.
Use two pointers to remove duplicates from a sorted array of strings.
Initialize two pointers, one for the current element and one for the next unique element.
Compare current element with next element, if same, move next pointer until a different element is found.
Replace duplicate elements with unique elements found by next pointer.
(1 Question)
- Q1. Kafka and spring boot
Skills evaluated in this interview
Selected
I appeared for an interview before May 2024, where I was asked the following questions.
- Q1. Can you describe the cloud processes you have utilized in your work?
- Ans.
I have utilized various cloud processes including deployment, data storage, and serverless computing in my projects.
Implemented CI/CD pipelines using AWS CodePipeline for automated deployments.
Utilized AWS S3 for scalable data storage and backup solutions.
Developed serverless applications using AWS Lambda to reduce infrastructure management.
Leveraged Azure Functions for event-driven processing in real-time applications...
- Q2. What is a Binary Search Tree, and how does it function?
- Ans.
A Binary Search Tree (BST) is a data structure that maintains sorted order for efficient searching, insertion, and deletion.
A BST is a tree where each node has at most two children.
The left child contains values less than the parent node.
The right child contains values greater than the parent node.
Example: Inserting 10, 5, 15 results in a tree with 10 as root, 5 as left child, and 15 as right child.
Searching for a valu...
- Q3. How would you apply Dijkstra's Algorithm in a real-life scenario?
- Ans.
Dijkstra's Algorithm finds the shortest path in graphs, useful for navigation, logistics, and network routing.
1. Navigation Systems: Used in GPS to find the shortest route between two locations.
2. Network Routing: Helps in determining the most efficient data packet paths in computer networks.
3. Logistics: Optimizes delivery routes for transportation companies to minimize travel time and costs.
4. Urban Planning: Assists...
Interview Preparation Tips
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