ZS Interview Questions, Process, and Tips

The online assessment was broken into three individual rounds held separate days.
Online Assessment
Round 1: Aptitude test and Case Study round
Round 2: AI Communications Assessment test.
Round 3: Coding Round ( 1 DSA question + 2 SQL questions + 10-15 mcqs)

Q1. Started off with some questions were based on resume and projects.
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Q2. Questions on sql, a. joins , b. cross join, c. what is window function d. PL/SQL query e. SDLC f. Case study
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Verbal , crirical thinking and reasoning questions

Mcq on python and sql , 2 sql query and 1 Dsa question

Q1. Diffrence between turncat and delete
Ans. 
Turncoat refers to a traitor or someone who switches sides, while delete means to remove or erase something.
• Turncoat is a person who changes allegiance or loyalty, often seen as a traitor.

• Delete is a command used to remove or erase data or information.

• Example: A turncoat politician switches parties to gain personal benefits. Deleting a file from a computer removes it permanently.
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Q2. Find 3rd highest score in each of the subject
Ans. 
To find the 3rd highest score in each subject
• Sort the scores in each subject in descending order

• Get the 3rd element in the sorted array for each subject

• Repeat for each subject
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Q1. How to manage a conflict in team
Ans. 
Managing conflicts in a team involves effective communication, active listening, finding common ground, and seeking a win-win solution.
• Encourage open communication to address the issue

• Listen to all parties involved to understand their perspectives

• Identify common goals and areas of agreement

• Work together to find a mutually beneficial solution

• Seek mediation or involve a neutral third party if necessary
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Q2. Brain teaser and puzzle problems
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Set of questions on english , aptitude , all are at easy level

Sql basics and some query questions

Q1. Why do u want to join zs ; what do u know about zs; where do u see urself after 5 years ; question on real life scenarios ;
Ans. 
I want to join ZS because of their reputation for data-driven decision making and innovative solutions. I see myself in a leadership role in 5 years.
• ZS is known for their expertise in data analytics and consulting

• I admire ZS's commitment to using data to drive business decisions

• I believe ZS's culture of innovation and collaboration aligns with my career goals

• In 5 years, I see myself leading a team of analysts and contr
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Q2. Question on real life scenarios
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Q1. Salary expectation
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Q2. When can u join
Ans. 
I can join within 2 weeks of receiving an offer.
• I can start within 2 weeks of receiving an offer.

• I need to give notice at my current job.

• I have some personal commitments that I need to wrap up before starting.
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First round was a 1 hr test compromising of logical and quant

Q1. I was examined for my communication skills
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1 coding question
3 SQL queries
10 SQL mcq

Q1. 5 queries on joints and indexes
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Q2. 1 logical scenario question
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Q3. Fundamental CS questions
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Link of an aptitude test was shared

Q1. Basics about Tableau And SQL.
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Q1. Deep dive on Tableau and working in my projects.
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Q1. What is the transformer model
Ans. 
The transformer model is a deep learning architecture designed for natural language processing tasks, utilizing self-attention mechanisms.
• Introduced in the paper 'Attention is All You Need' by Vaswani et al. in 2017.

• Uses self-attention to weigh the importance of different words in a sentence.

• Replaces recurrent neural networks (RNNs) for better parallelization and efficiency.

• Key components include the encoder and decode...read more
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Q2. How to reduce hallucination in chatbot
Ans. 
To reduce hallucination in chatbots, implement strategies like fine-tuning, context management, and user feedback integration.
• Fine-tune the model on domain-specific data to improve accuracy. For example, train on customer service transcripts for a support bot.

• Implement context management to maintain conversation history, ensuring the bot understands previous interactions.

• Use reinforcement learning from human feedback (...read more
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90 mins apti -with quant, critical thinking, un-structured and so on

You can go through hungry kya case study

Q1. Guestimates on no of pertol pumps
Ans. 
The number of petrol pumps can vary greatly depending on the location and population density of the area.
• The number of petrol pumps in a city will be higher compared to a rural area.

• Population density and traffic volume are key factors in determining the number of petrol pumps needed.

• Economic factors such as income levels and vehicle ownership rates also play a role in estimating the number of petrol pumps.

• For example,...read more
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Q2. Puzzle of cake cutting by 3 cuts
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Q3. How you managed an event
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Q4. Anything which is not there in your resume
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