Mtalkz Mobility Services Interview Questions and Answers

Q1. What is design for you?
Ans. 
Design is the process of creating solutions that are visually appealing, functional, and user-friendly.
• Design involves problem-solving and creativity

• It focuses on creating visually appealing and aesthetically pleasing solutions

• Design considers user experience and functionality

• Examples include graphic design, product design, and web design
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Q2. What do you expect to learn from this role?
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Q1. Introduction, profile discussion, explanation of current job profile.
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Q1. Previous Job discussions, Current Role discussions, most of the question will be based on previous work experience and situations.
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Easy leetcode data structure question

Q1. Write working code for calling a rest API, design rate limiter
Ans. 
Code for calling a REST API and designing a rate limiter
• Use a library like requests or axios to make the API call

• Implement a token bucket algorithm for rate limiting

• Set a maximum number of requests per second and queue excess requests

• Consider using a distributed rate limiter for scalability
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Q1. Design Database schema for instagram
Ans. 
Design a database schema for Instagram.
• Create tables for users, posts, comments, likes, and follows.

• Use primary and foreign keys to establish relationships between tables.

• Store user data such as username, email, and password securely.

• Include fields for post content, location, and timestamp.

• Track likes and comments on posts.

• Implement a notification system for follows and likes.

• Consider scalability and performance in the...read more
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Q1. Question Related to Applied job position
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Q1. Question Related to End to End Campaign Management
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Q1. Tell me about your projects
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Q2. Tell me yourself
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Q1. What are SQL Joins?
Ans. 
SQL Joins are used to combine rows from two or more tables based on a related column between them.
• SQL Joins are used to retrieve data from multiple tables based on a related column between them.

• Common types of SQL Joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
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Q2. Different functions in Python numpy
Ans. 
Python numpy provides various functions for numerical operations on arrays.
• numpy.sum() - calculates the sum of array elements

• numpy.mean() - calculates the mean of array elements

• numpy.max() - returns the maximum value in an array

• numpy.min() - returns the minimum value in an array

• numpy.std() - calculates the standard deviation of array elements
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Q1. What are joins and how do you use it?
Ans. 
Joins are used in databases to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q2. Processing speed of different scriting languages?
Ans. 
Processing speed of scripting languages varies based on factors like code complexity and optimization.
• Processing speed can vary based on the specific task being performed.

• Compiled languages like C++ tend to be faster than interpreted languages like Python.

• Optimizing code can improve processing speed.

• JavaScript can be faster than Python for certain tasks.

• Consider using libraries or frameworks optimized for performance.
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Q1. Basic knowledge of Digital Marketing
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Q2. Formulae in digital Marketing
Ans. 
Formulae in digital marketing refer to mathematical equations used to analyze and optimize marketing strategies.
• Formulae help calculate key performance indicators (KPIs) such as ROI, CTR, and conversion rates.

• Examples of formulae include ROI = (Revenue - Cost) / Cost, CTR = (Clicks / Impressions) * 100%, and Conversion Rate = (Conversions / Clicks) * 100%.
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Q1. Self introduction
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Q2. When will you join
Ans. 
I will be able to join within two weeks of receiving an offer.
• I need to give my current employer two weeks notice before leaving.

• I may need to finalize any pending projects before starting a new role.

• I am excited about the opportunity and look forward to joining the team.
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