Koantek Project Manager Interview Questions and Answers for Experienced

Q1. Mathematical questions based on days dates
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Q1. How does spark run in the background?
Ans. 
Spark runs in the background using a cluster manager to allocate resources and schedule tasks.
• Spark uses a cluster manager (such as YARN, Mesos, or Kubernetes) to allocate resources and schedule tasks.

• Tasks are executed by worker nodes in the cluster, which communicate with the driver program.

• The driver program coordinates the execution of tasks and manages the overall workflow.

• Spark's DAG scheduler breaks the job into...read more
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Q1. Write a python program to find the most occurred number in sequence
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Python program to find the most occurred number in a sequence
• Iterate through the sequence and count the occurrences of each number using a dictionary

• Find the number with the highest count in the dictionary

• Handle edge cases like empty sequence or multiple numbers with the same highest count
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This was my first campus drive,& it was one of the hardest one too.We had 3 coding problems for 60 mins.It was held on HackerRank & it was not so hard but not so easy for the beginners.
1)Lambda Sort
2) and 3) ques on SQL
It was different ques for each one.

Q1. The interviewer asked all the concepts of pyspark, ETL and a code on dsa
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General Aptitude Questions

Q1. Queries on SQL, Basic Statistic Question related to normal curve, Basic Python question(from python interview question list of any website)
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Q2. Shape of normal Distribution
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The shape of a normal distribution is bell-shaped and symmetrical.
• A normal distribution has a peak at the mean and tails that extend to infinity in both directions.

• The distribution is symmetrical, meaning that the left and right halves mirror each other.

• The standard deviation determines the spread or width of the distribution.

• Many natural phenomena and measurements in various fields follow a normal distribution.

• Example...read more
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Q3. Valuess of mean median and mode
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Mean, median, and mode are measures of central tendency in statistics.
• Mean is the average of a set of numbers, calculated by summing all the values and dividing by the total count.

• Median is the middle value in a sorted list of numbers. If there is an even number of values, it is the average of the two middle values.

• Mode is the value that appears most frequently in a set of numbers. It can be a single value or multiple
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Q1. General HR questions
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Q1. General discussion round with ceo and about projects
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Q1. Spark based questions and coding questions
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Easy and moderate level question

Given a relevant topic and discussion on it

Q1. Introducd yourself
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Q2. Why do you want to join us
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