Comcast Interview Questions and Answers

First round contains online test which consists aptitude, Verbal MCQs, CS fundamental MCQs and 2 coding questions

Q1. Asked to take two dictionaries and merge them and asked to write output
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Q2. Given two arrays , asked to remove duplicates and to merge them into one array and have to sort it without using any inbuilt functions
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Q1. General HR questions
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Q1. Tell me about yourself and interest in finance?
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Q1. Describe your best Skill sets
Ans. 
My best skill sets include data analysis, problem-solving, and communication.
• Proficient in data analysis tools such as SQL, Tableau, and Excel

• Strong problem-solving skills to identify trends and patterns in data

• Effective communication skills to present findings and recommendations to stakeholders
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Q2. A project that you’ve worked on
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Questions on SQL (partition by clause, temp tables, different joins), questions on tableau, outlier correction

Q1. Strengths and weaknesses
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Q2. Describe one project in detail
Ans. 
Developed a predictive analytics model to forecast sales for a retail company
• Gathered historical sales data from multiple sources

• Cleaned and preprocessed the data to remove outliers and missing values

• Used machine learning algorithms such as linear regression and random forest to build the predictive model

• Evaluated the model's performance using metrics like RMSE and MAE

• Presented the findings and recommendations to the s
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Q1. Tableau work experience
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Q2. Advanced sql and querying
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Q1. Linked list question
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Q2. Basic OOPS concepts like polymorhism, inheritence
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Tech assessment for defining product requirements..

Q1. How did you handle backlog grooming sessiond.
Ans. 
I prioritize items based on business value and work with the team to refine and estimate them.
• Collaborate with team to ensure understanding of user stories

• Prioritize backlog items based on business value and user needs

• Refine backlog items to ensure they are clear, concise, and actionable

• Estimate backlog items with the team to ensure feasibility and accuracy
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Q2. How did you tackle difficult stakeholder.
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