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Leena AI Software Engineer Interview Questions and Answers
Leena AI Software Engineer Interview Experiences
1 interview found
(2 Questions)
- Q1. What is ACID Prop?
- Ans.
ACID Prop stands for Atomicity, Consistency, Isolation, Durability properties in database transactions.
Atomicity ensures that all operations in a transaction are completed successfully or none at all.
Consistency ensures that the database remains in a consistent state before and after the transaction.
Isolation ensures that multiple transactions can be executed concurrently without affecting each other.
Durability ensures...
- Q2. WHAT IS ER Dia?
- Ans.
ER Dia stands for Entity-Relationship Diagram, a visual representation of entities and their relationships in a database.
ER Dia is used to design databases by showing the entities (such as customers, products, orders) and the relationships between them.
Entities are represented as rectangles, relationships as diamonds, and attributes as ovals.
For example, in a library database, you may have entities like 'Book', 'Author...
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Experience: PAPER DURATION: 3 hours
NO. OF QUESTIONS: 2 (20 marks each)
MAXIMUM MARKS: 20*2 = 40 marksQUESTION 1:
JSON Prettier:-Write a program which takes JSON as input and gives prettified JSONYou need to read JSON from STDIN. Input gives one line of uglified JSON.Output should be formatted JSON. Check the standard output link.Use 2 white spaces (not‘\t’) for one indentation.SAMPLE INPUT:{“group” : {list : [1,2,3]}, “list” : [“a”,”b”,”c”]}SAMPLE OUTPUT:{“group” : {List : [1,2,3]},“list” : [“a”,”b”,”c”]}EXPLANATION: Input will be uglifiedjson in one line and output will be prettified format of that. QUESTION 2:XML parse plus series computationEvaluate an expression given in XML format. Keys will be Expr- contains the entire expression. Elem – contains the digit, sum, Prod- contains two or more keys whose evaluation needs to be summed or multiplied respectively. Sub will contain 2 keys or more, where the second key onwards will have to be subtracted from the first one. Div- will contain 2 keys in which first key will need to be divided by second. SAMPLE INPUT:
20EXPLANATION:Input will be xml file through standard input. End of xml file marked by .
Duration: 180 minutes
Total Questions: 2
College Name: NA
Carbon footprint and ways to achieve
1. which data structure is used to create an editor?
Selected
I applied via Campus Placement and was interviewed in Oct 2023. There were 2 interview rounds.
Given 5 coding questions to be solved in an hour
(1 Question)
- Q1. Asked questions on coding, machine learning, deep learning, Natural language processing and LLMs
Selected
I applied via Approached by Company and was interviewed before Feb 2022. There were 4 interview rounds.
Chrome and Firefox Browser automation
Log file tail last n lines where n is configurable. Followup question on how you can optimize it further incase log file size is in TBs and incase it is cluster of servers
(4 Questions)
- Q1. Detailed Technical background check and discussion on past projects.
- Q2. Messaging queue and best practices
- Ans.
Messaging queues are used to manage asynchronous communication between different components of a system.
Use a reliable messaging queue system like RabbitMQ or Apache Kafka
Ensure messages are properly formatted and serialized
Implement message acknowledgement and retry mechanisms
Monitor queue health and performance
Consider message ordering and partitioning for scalability
Avoid long-running tasks in message handlers
- Q3. Binary Search Tree twisted question
- Q4. Map Reduce concept for solving dictionary keywords
- Ans.
MapReduce is a programming model for processing large data sets in parallel.
MapReduce divides the input data into chunks and processes them in parallel.
It consists of two phases: Map and Reduce.
Map function takes input data and converts it into key-value pairs.
Reduce function takes the output of Map as input and combines the values with the same key.
It is used for solving dictionary keywords by mapping each word to a k
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Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Sep 2024. There were 2 interview rounds.
MCQ based Questions from topics of DSA , web development
(1 Question)
- Q1. Asked us to live code tail -f unix command
I applied via Campus Placement
Machine coding round
(2 Questions)
- Q1. TCP/IP related questions, what happens when you search a webpage?
- Q2. Past projects discussions
(1 Question)
- Q1. Behavioural questions on how would you tackle a particular scenario
Software Engineer Interview Questions & Answers
BrowserStack
18-546 surya kaushik
posted on 4 Jul 2024
Selected
I applied via Referral and was interviewed in Jan 2024. There were 3 interview rounds.
Normal 3 leetcode medium questions
Machine coding round to design tail -f
(2 Questions)
- Q1. Questions on internal working of os
- Q2. Questions on projects
Software Engineer Interview Questions & Answers
Servion Global Solutions
Anonymous
posted on 22 Jun 2023
I applied via Naukri.com
MCQ test based on Java,if you are confident with the basics of Java you could easily crack it
(1 Question)
- Q1. Based on classes,super key word
(1 Question)
- Q1. It was also a technical round though termed as manager round
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Servion Global Solutions
Anonymous
posted on 16 Dec 2024
Selected
I applied via Naukri.com
1. How to make an immutable class?
2.How to achieve loosely coupling?
3. Write an program to to print the 2 table like this upto 10 (2 × 1 = 2) like this pattern in java?
4. Remove duplicates from an integer array and sort in descending order multiple by 2 find the number count that are greater then 10 ?
5. Some basic of oops concept ?
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