Verizon Interview Questions, Process, and Tips

Q1. On pega concepts deeply with examples
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Q2. Reverse of a string without using functions in Java and python
Ans. 
Reverse a string without using functions in Java and Python
• Iterate through the string from end to start and store each character in a new array

• Join the characters in the new array to form the reversed string
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Q1. Personal, educational and certification details
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It was basic coding to test the Python skills like reading data from local and uploading in cloud then some basic dag related questions

Q1. Clustering and partition difference in data warehousing solutions
Ans. 
Clustering involves grouping similar data together, while partitioning involves dividing data into smaller, manageable sections.
• Clustering is used to group similar data points together based on certain criteria, such as customer segments or product categories.

• Partitioning involves dividing a large dataset into smaller, more manageable sections for easier data retrieval and processing.

• Clustering is often used for data a...read more
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Q2. What are the different approaches to Optimising SQL
Ans. 
Different approaches to optimizing SQL include indexing, query optimization, and database design.
• Use indexing to improve query performance

• Optimize queries by avoiding unnecessary joins and using appropriate functions

• Design the database schema efficiently to reduce redundancy and improve data retrieval speed
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Q3. Spark and it’s architecture
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Q4. Finding the count of Item bought by an customer from Flipkart during a year excluding February
Ans. 
To find the count of items bought by a customer from Flipkart during a year excluding February, you need to aggregate the data and filter out February transactions.
• Aggregate the data by customer and item purchased

• Filter out transactions from February

• Count the number of items bought by each customer
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Q1. Tell me about yourself
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Q2. Can you show me one your recent presentations that you might have done
Ans. 
I recently presented a market research analysis on consumer behavior trends in the tech industry.
• Utilized data from surveys and focus groups to analyze consumer preferences

• Identified key trends in purchasing behavior and brand loyalty

• Presented findings through visual charts and graphs for easy understanding
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Q3. Tell me about yourself apart from your experience
Ans. 
I am a curious and creative individual with a passion for learning and problem-solving.
• I enjoy exploring new technologies and trends in the market research industry.

• I have a strong analytical mindset and attention to detail.

• I am a team player and enjoy collaborating with colleagues on projects.

• I have a background in statistics and data analysis, which helps me in interpreting market research data effectively.
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The online assessment was of 3 parts.
First - We were asked to write a 200 word paragraph on a given topic.
Second - We had to solve 2 coding questions.
Third - It tested our vocabulary and grammar skills.

We were split into groups of 15 and had to have a group discussion on the given topic for 10 minutes. The one our group got was about Gen AI.

Q1. Questions related to Data Structures
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Q2. Questions related to my projects.
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