K and A Technology Interview Questions and Answers

Q1. Given a data set of hotel you need to find number of booking.
Ans. 
Calculate the number of hotel bookings from a given dataset of hotels and their booking details.
• Identify the data structure: Ensure the dataset contains booking information, such as hotel ID, customer ID, and booking dates.

• Count unique bookings: Use a method to count unique entries based on hotel ID and booking dates to avoid duplicates.

• Example: If hotel A has 3 bookings on different dates and hotel B has 2 bookings, t...read more
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Q2. SQL Query based upon join leetcode.
Ans. 
SQL joins combine rows from two or more tables based on related columns, essential for relational database queries.
• INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.a_id;

• LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.a_id;

• RIGHT JOIN: Returns all records from the...read more
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Q1. 2 sum problem [leetcode]
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Q2. Linkedlist problem
Ans. 
Implement various operations on a linked list and solve related problems like reversing a linked list or detecting a cycle.
• Understand the basic structure of a linked list with nodes containing data and a reference to the next node.

• For insertion, update the pointers of the nodes accordingly to maintain the sequence.

• For deletion, adjust the pointers to skip the node to be deleted.

• To reverse a linked list, iterate through...read more
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Q1. Ask about mongoDB queries and basic react questions.
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Q2. What has been your experience focusing primarily on frontend development rather than backend?
Ans. 
I have focused on creating user-friendly interfaces, optimizing performance, and ensuring responsive designs in frontend development.
• Developed interactive web applications using React, enhancing user engagement through dynamic content updates.

• Implemented responsive design principles with CSS frameworks like Bootstrap, ensuring accessibility across devices.

• Utilized tools like Figma for UI/UX design, translating wirefram...read more
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Q1. Your expected salary
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Q1. Tell me something about yourself
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Asked me about the work experience in bpo sector

Q1. Tell me something about yourself
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Q2. What was your previous experience
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Q1. Years of experience and work done in each organiation
Ans. 
I have over 8 years of experience in graphic design, working across various industries to create impactful visual solutions.
• At XYZ Agency (3 years): Led branding projects for clients, including logo design and marketing materials.

• At ABC Corp (2 years): Developed user interface designs for web applications, enhancing user experience.

• At Creative Studio (3 years): Collaborated with a team to produce multimedia content for...read more
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Q1. What are your Experiences?
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Q2. What are your Qualifications
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I hold a degree in Marketing and have extensive experience in social media strategy and content creation.
• Bachelor's degree in Marketing from XYZ University, where I focused on digital marketing strategies.

• Over 5 years of experience managing social media accounts for various brands, increasing engagement by 40%.

• Proficient in using analytics tools like Google Analytics and Hootsuite to track performance and optimize camp...read more
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