60 Intellipaat Interview Questions and Answers | HR, Technical & Aptitude Prep

20 common asked question in every interview

Data Analytics

Ques:- How do you handle missing data in a dataset

Asked In :- Rock Solid Solutions, Protege Solutions, Ziffity Solutions, Toxsl Technologies, Cybage Software, WFM, Oodles Technologies, Sun Dew Solutions, Startup - Navya Network, LenDenClub,

Right Answer:
To handle missing data in a dataset, you can use the following methods:

1. **Remove Rows/Columns**: Delete rows or columns with missing values if they are not significant.
2. **Imputation**: Fill in missing values using techniques like mean, median, mode, or more advanced methods like KNN or regression.
3. **Flagging**: Create a new column to indicate missing values for analysis.
4. **Predictive Modeling**: Use algorithms to predict and fill in missing values based on other data.
5. **Leave as Is**: In some cases, you may choose to leave missing values if they are meaningful for analysis.

Data Analytics

Ques:- What are the steps involved in data cleaning

Asked In :- Netaxis IT Solutions (p), Rock Solid Solutions, Itobuz Technologies, Solace Infotech, Infinity Labs LLP, Define Labs, Sun Dew Solutions, Enovate IT Outsourcing, Radicle Software, Webvillee Technology,

Right Answer:
1. Remove duplicates
2. Handle missing values
3. Correct inconsistencies
4. Standardize formats
5. Filter out irrelevant data
6. Validate data accuracy
7. Normalize data if necessary

Data Analytics

Ques:- What is data normalization and why is it important

Asked In :- KRIOS Info Solutions, WSNE Consulting, MattsenKumar Services, Shipco IT, Itobuz Technologies, Fortunesoft IT Innovations, Spadeworx Software Services, Namecheap Web Services, TNQ Technologies, Define Labs,

Right Answer:
Data normalization is the process of organizing data in a database to reduce redundancy and improve data integrity. It involves structuring the data into tables and defining relationships between them. Normalization is important because it helps eliminate duplicate data, ensures data consistency, and makes it easier to maintain and update the database.

Data Analytics

Ques:- What are some common data analysis tools and software

Asked In :- Vinove Software & Services Pvt Ltd, Hidden Brains InfoTech, Ziffity Solutions, STIC SOFT E-SOLUTIONS, Born Commerce, TNQ Technologies, MatchMove India, Sun Dew Solutions, Cloud Kinetics Technology Solutions, Recodem,

Right Answer:
Some common data analysis tools and software include:

1. Microsoft Excel
2. R
3. Python (with libraries like Pandas and NumPy)
4. SQL
5. Tableau
6. Power BI
7. SAS
8. SPSS
9. Google Analytics
10. Apache Spark

Data Analytics

Ques:- What are outliers and how do you handle them in data analysis

Asked In :- Fluid AI, Trigent Software, Itobuz Technologies, RANDSTAD INDIA PVT, GOQii Technologies, Dhruvsoft Services, Radicle Software, Webvillee Technology, Fission Infotech, Noesys Consulting,

Right Answer:
Outliers are data points that significantly differ from the rest of the dataset. They can skew results and affect statistical analyses. To handle outliers, you can:

1. Identify them using methods like the IQR (Interquartile Range) or Z-scores.
2. Remove them if they are errors or irrelevant.
3. Transform them using techniques like log transformation.
4. Use robust statistical methods that are less affected by outliers.
5. Analyze them separately if they provide valuable insights.

Django Python

Ques:- Can i Connect mysql to django ?

Asked In :- Fluid AI, Target Integration, Aptroid, STUP Consultants, Metapercept Technology Services, Solunus, Aggregate Intelligence, WhiteSnow Software, Aegan Technologies, birlasoft,

Right Answer:
Yes, you can connect MySQL to Django by using the `mysqlclient` or `PyMySQL` package as the database backend. You need to configure your `settings.py` file with the appropriate database settings.

Python System Integrator

Ques:- How do you set a global variable in a function?

Asked In :- Grapelime Infotech, Techversant Infotech, Motherson Sumi Infotech Design, AXESTRACK SOFTWARE SOLUTIONS, Bristlecone India, Zessta Software Services, Thorogood, J K Technosoft, Wingify Software, Pennant Technologies,

Django Python

Ques:- Explain the use of session framework in django?

Asked In :- WebReinvent Technologies, Aruba Networks, Digite Infotech, Junior Assistant, AROHA TECHNOLOGIES, Embibe, KareXpert Technologies, Able Design Engineering Services, Zerone Technologies, Solverminds Solutions Technologies,

Right Answer:
The session framework in Django is used to store and manage user session data on the server side. It allows developers to save information about a user's interaction with the web application, such as login status, preferences, and other temporary data, which can be accessed across different requests. Sessions are identified by a unique session ID stored in a cookie on the client side, ensuring a seamless user experience without requiring the user to re-enter information on each page.

Python

Ques:- How you can convert a number to a string?

Asked In :- Deligence Technologies, Citrus Informatics (India), Unified Infotech, Emertxe, TalentPace, Lexicon Networks, Futurenet Technologies (India), Osmosys Software Solutions, Discovery, Inc, Majorel,

Python

Ques:- Explain how can you make a Python Script executable on Unix?

Asked In :- Third Eye Technologies, Globant India, BluePi, Deep Compute, Planet Spark, Profound Edutech, Qmax Systems, CodeQuotient, Centillion Networks, coupa software,

SQL Server

Ques:- What is Raiseerror?

Asked In :- KRIOS Info Solutions, Sardonyx Technologies, Artech Infosystems, leaap international, Infiflex Technologies, CSG Systems, WAEC, ACS IT SOLUTIONS, Aress, Shadowfax Technologies,

Data Warehouse Developer SQL Server

Ques:- Provide all the built in string function of SQL SERVER

Asked In :- LiteBreeze Infotech, EdgeVerve Systems, FUTURISM TECHNOLOGIES PVT, Ramboll India, Gainers Infotech, WebMobril Technologies, Streebo Solutions, Sterling Software (India), Analyttica Datalab, Kendo,

Right Answer:
Here are the built-in string functions in SQL Server:

1. LEN()
2. DATALENGTH()
3. UPPER()
4. LOWER()
5. SUBSTRING()
6. CHARINDEX()
7. REPLACE()
8. RTRIM()
9. LTRIM()
10. CONCAT()
11. LEFT()
12. RIGHT()
13. FORMAT()
14. STUFF()
15. REVERSE()
16. SPACE()
17. STRING_AGG() (SQL Server 2017 and later)
18. PATINDEX()
19. NCHAR()
20. CHAR()

These functions can be used for various string manipulations and operations.

sql

Ques:- Why to use STUFF keyword in Sql Server?

Asked In :- SenecaGlobal IT Services, sciative, AppItSimple Infotek Pvt Lmt, TripStack (ALP Consulting), Ginni Systems, TriSys, QSpiders, SRF, Versatile Mobitech, Microverse Automation,

Database Administrator (dba) SQL Server

Ques:- What is difference between TRUNCATE & DELETE?

Asked In :- iNube Software Solutions, Quality Kiosk, SureSoft, vTEST, Karza Technologies, Sarathi Softech, Aspirant Labs, Astoria Solutions, Kanaka Consulting, KPI PARTNERS INDIA,

Database Administrator (dba) SQL Server

Ques:- Store procedure will return a value?

Asked In :- CAP Digisoft Solutions, VRA, Wondersoft, Siemens Healthineers, Agicent Technologies, Technoforte Software, Citco, OmnePresent Technologies, Datatonic, Gritsa Technologies,

Big Data

Ques:- What are the challenges of Big Data security and privacy?

Asked In :- Hidden Brains InfoTech, DecisionTree Analytics and Services, Blackcoffer, Indium Software, Data Patterns, Wingify Software, Prodapt SA, Sigmoid Analytics, Deep Compute, Algoscale,

Big Data

Ques:- What are the main components of the Hadoop ecosystem?

Asked In :- CropIn Technology Solutions, 63 moons technologies, Data Patterns, SAS Institute, Sigmoid Analytics, Datagrokr, Metrics4 Analytics, Profound Edutech, Opencast Software, Spire Global,

Big Data

Ques:- Name some real-world applications of Big Data analytics.

Asked In :- DecisionTree Analytics and Services, 63 moons technologies, Solix Technologies, Inc, CAFS, WFP, SAS Institute, Samsung R&D Institute India, PromptCloud, Deep Compute, Carbon Black,

Big Data

Ques:- How do you optimize a Spark job for performance?

Asked In :- Fission Infotech, Blackcoffer, Estuate, Wingify Software, FACTENTRY DATA SOLUTIONS, Prodapt SA, ColorTokens, Deep Compute, Algoscale, Carbon Black,

Big Data

Ques:- Explain how data is stored and replicated in HDFS.

Asked In :- InfoObjects, DecisionTree Analytics and Services, CAFS, Data Patterns, Gaian Solutions India, T P F Software, Neustar, Infometry, Carbon Black, Infoworks (CA),

Intellipaat is a leading online learning platform that offers industry-relevant courses in emerging technologies. Founded in 2011 by Diwakar Chittora and Shilpi Jain, Intellipaat aims to bridge the gap between the demand for skilled professionals and the availability of quality training. The company provides a wide range of courses, including data science, artificial intelligence, machine learning, cloud computing, cybersecurity, and more. One of Intellipaat's key strengths is its comprehensive curriculum, which is developed in collaboration with industry experts to ensure relevance and effectiveness. Courses are delivered through a blend of self-paced learning, live instructor-led sessions, and hands-on projects, allowing students to gain practical experience and apply their skills in real-world scenarios. Intellipaat's platform is user-friendly and provides features such as interactive quizzes, assignments, and dedicated mentor support to enhance the learning experience. Additionally, the company offers certification upon course completion, which is recognized by industry leaders and can significantly boost one's career prospects.

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