SAG Infotech TSE Interview Questions and Answers

Forecasting problem - Predict daily sku level sales

Q1. What is difference between bias and variance
Ans. 
Bias is error due to overly simplistic assumptions, variance is error due to overly complex models.
• Bias is the error introduced by approximating a real-world problem, leading to underfitting.

• Variance is the error introduced by modeling the noise in the training data, leading to overfitting.

• High bias can cause a model to miss relevant relationships between features and target variable.

• High variance can cause a model to ...read more
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Q2. Parametric vs non parametruc model
Ans. 
Parametric models make strong assumptions about the form of the underlying data distribution, while non-parametric models do not.
• Parametric models have a fixed number of parameters, while non-parametric models have a flexible number of parameters.

• Parametric models are simpler and easier to interpret, while non-parametric models are more flexible and can capture complex patterns in data.

• Examples of parametric models inc...read more
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Q1. Tell me about your self
Ans. 
I am a dedicated and experienced consultant with a strong background in problem-solving and client management.
• Over 5 years of experience in consulting roles

• Skilled in analyzing data and providing strategic recommendations

• Excellent communication and interpersonal skills

• Managed successful projects for Fortune 500 companies
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Q2. How many transformation are there in sap bods
Ans. 
There are 4 main transformations in SAP BODS.
• There are 4 main transformations in SAP BODS: Query transform, Case transform, Map operation transform, and Validation transform.

• Query transform is used to extract data from a source and apply filters, joins, and other operations.

• Case transform is used for conditional processing and data manipulation.

• Map operation transform is used for data mapping and transformation.

• Validat...read more
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Q1. Have you worked on Agile?
Ans. 
Yes, I have worked on Agile methodology in previous projects.
• I have experience working in Agile environments, participating in daily stand-up meetings, sprint planning, and retrospectives.

• I have used tools like Jira and Trello to track progress and manage tasks in Agile projects.

• I have collaborated closely with cross-functional teams to deliver high-quality products in a timely manner.
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Case study analysis and on spot requirements documentation

Q1. What are your achievements?
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Q1. Explain your responsibilities in your previous role in your company
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Simple but fast paced test

Q1. Tell me something about yourself .
Ans. 
I am a recent graduate with a degree in Business Administration and a passion for marketing and analytics.
• Recent graduate with a degree in Business Administration

• Passionate about marketing and analytics

• Strong communication and analytical skills

• Experience in internships related to marketing
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Basic Aptitude test and personality test, It's easy

Q1. Code to print diagonal elements in 2d array. Reverse a string without using other empty string.
Ans. 
Print diagonal elements in a 2D array and reverse a string without using an empty string.
• Iterate through the rows and columns of the 2D array and print the elements where the row index is equal to the column index.

• Iterate through the characters of the string from the last index to the first index and append each character to a new string.
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Dsa question like pattern or any other basic dsa

Q1. Based on js in depth knowledge
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Q2. Then react better if we know class components
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It was Easy to moderate. Questions were not that tough. Just basic aptitude

Q1. What is docker command to list the containers?
Ans. 
The docker command to list the containers is 'docker ps'.
• The 'docker ps' command lists all the running containers.

• To list all the containers (including the stopped ones), use 'docker ps -a'.

• To display the container IDs in a short format, use 'docker ps -q'.

• To display the container names instead of IDs, use 'docker ps --format '{{.Names}}'.'
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Q2. Which command is use to grab the text or work in linux?
Ans. 
The command used to grab text or work in Linux is 'grep'.
• Grep stands for 'global regular expression print'.

• It is used to search for a specific pattern or text in a file or output.

• It can be used with various options to refine the search.

• Example: 'grep hello file.txt' will search for the word 'hello' in the file 'file.txt'.
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