Indiafirst Robotics Interview Questions and Answers

Q1. End to end architecture of current project
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Q2. Basic spark code to read & write files
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Q3. How to upsert data in table in spark
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Q4. How do you handle sudden increase in data volume
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Q5. Discussion on delta tables & ACID transactions
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Q6. Explain autoloader and use case in Databricks
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Q7. SQL question using window functions Lead, row number
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Q8. Python question using hashmap & String
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Q1. Current project understanding end to end
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Q2. Data pipeline design for a ride sharing company, ask bunch of follow up questions on the conclude a particular design.
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Q3. Explain how you follow SDLC(Agile, waterfall) ?
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Q4. Why are you looking for a change now
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Q1. Basic introductions
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Q2. What kind of work are you looking for? what do you know about the company
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Q3. Willing to relocate?
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Q4. Personal hobbies and aspirations
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What are the key principal you follow for telerehabilitation

Introduce your self ?

What all techniques and methode do you folow

Q1. What are your hobbies ?
Ans. 
My hobbies include hiking, playing tennis, and cooking new recipes.
• Hiking in local trails and national parks

• Playing tennis at the community courts

• Experimenting with new recipes in the kitchen
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Q2. Tell your work experience
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Q1. How do you handle the cases where patietn is not responding properly
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Q2. Please explain how do you treate a patient with chronic case ?
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Q1. How do you builde rappo with new patient
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Q2. What is your overall expericne c
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Q1. What do you know about our company
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Q1. What is your take on patietn ?
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It took total 6 days for interview and revert

General basic assessment.

Q1. They will give you few PDFs to read and then MCQ from that.
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Q1. Networking related concepts
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Q1. Defence related questions
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Q1. One on one with Vice president
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Q1. HR package discussions
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Q1. Explain any 1 of your Project.
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Q2. SQL: Explain difference between Delete, Truncate and Drop. Difference between Group by and Having. Asked to write a update query.
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Q3. Python: Difference between Set and Dictionary. Can we update key in dictionary? Write solution for given python question (nums = [1,2,3,4,5,7,10] target = 9 output = [1,5])
Ans. 
Set is a collection of unique elements, while dictionary is a collection of key-value pairs. Keys in dictionary can be updated.
• Set does not allow duplicate elements, while dictionary allows duplicate values but not duplicate keys.

• Dictionary uses key-value pairs for storing data, while set only stores individual elements.

• Example: Set - {1, 2, 3}, Dictionary - {'a': 1, 'b': 2}

• Yes, keys in dictionary can be updated by ass
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Q1. Explain projects where you have implemented ETL. Difference between aws lambda and aws glue
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Q2. Non-Technical questions
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Q1. How many EBS can be attached to single EC2
Ans. 
The maximum number of EBS volumes that can be attached to a single EC2 instance is 40.
• Maximum of 40 EBS volumes can be attached to a single EC2 instance

• Each EBS volume can be up to 16 TiB in size

• EBS volumes can be attached and detached while the instance is running
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Q2. Prerequisites for S3 Cross Region Replication
Ans. 
Prerequisites for S3 Cross Region Replication include enabling versioning, configuring IAM roles, and ensuring proper bucket policies.
• Enable versioning on both source and destination buckets

• Configure IAM roles with proper permissions for replication

• Ensure proper bucket policies are in place for cross region replication
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Q3. Docker Restart will change which attributes of comtainer
Ans. 
Docker Restart changes the container's attributes like IP address, hostname, and uptime.
• IP address of the container will change after restart

• Hostname of the container may change

• Uptime of the container will be reset

• Any changes made to the container's filesystem will be lost
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Q4. S3 vs EFS scenario based use cases.
Ans. 
S3 is ideal for storing static files like images and videos, while EFS is better for shared file storage among multiple EC2 instances.
• S3 is object storage, suitable for storing large amounts of unstructured data like images, videos, backups, and logs.

• EFS is a file storage service that can be mounted on multiple EC2 instances, making it ideal for shared file systems and databases.

• Use S3 for static website hosting, data ...read more
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Q5. Linux Commands and Chmod Calculation
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Q1. Some questions related to APIs/Postman.
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Q2. Some questions related to stakeholder management.
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Q3. Some easy questions related to SQL
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Q1. What are some key traits that an implementation analyst must have?
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Q2. Explain about your previous experience
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Q1. Have you ever mentored someone and have you ever led a team?
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Q2. How many micro-services you've worked with in a single project?
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Q3. How do you communicate among your team?
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