GoComet UI/UX Designer Interview Questions and Answers

Q1. Architecture of current project
Ans. 
The current project follows a microservices architecture with Docker containers for scalability and flexibility.
• Microservices architecture is used to break down the application into smaller, independent services that can be developed, deployed, and scaled independently.

• Docker containers are utilized for packaging the application and its dependencies into a standardized unit for easy deployment and management.

• Service di...read more
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Q2. Spring and Hibernate questions
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Basic coding questions

70 questions in 90 minutes with 7 sections

Q1. Introduce yourself
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Q2. Project description
Ans. 
Developed a web application for tracking project progress and managing tasks
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q3. Second highest salary
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To find the second highest salary in a table, you can use a SQL query with the MAX() function and a subquery.
• Use a SQL query to select the MAX() salary from the table.

• Use a subquery to select the MAX() salary that is less than the overall MAX() salary.

• Combine both queries to get the second highest salary.
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Q4. What is indexing
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Indexing is a technique used to optimize the performance of databases by creating a data structure that allows for quick retrieval of data.
• Indexing involves creating a data structure that maps the values of specific columns in a database table to their physical location on disk.

• It helps in speeding up data retrieval operations by allowing the database to quickly locate the rows that match a certain condition.

• Examples o...read more
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Q1. Introduce yourself
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I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. Project description
Ans. 
Developed a web application for tracking project progress and managing tasks
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q3. Difference between truncate and delete
Ans. 
Truncate is a DDL command that removes all records from a table, while delete is a DML command that removes specific records.
• Truncate is faster than delete as it does not log individual row deletions.

• Truncate resets the identity seed of the table, while delete does not.

• Truncate cannot be rolled back, while delete can be rolled back using a transaction.

• Truncate does not fire triggers, while delete does.
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Q1. Why you join company
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Q2. Where you see yourself after 5 years
Ans. 
In 5 years, I see myself as a senior software developer leading a team and working on cutting-edge technologies.
• Leading a team of developers on innovative projects

• Continuing to enhance my technical skills and knowledge

• Contributing to the growth and success of the company

• Possibly pursuing further education or certifications in software development
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Standard dsa questions, easy to medium

Aptitude questions with some basic coding questions

They have given 3 coding questions and some pseudo codings

Q1. Tell about your self
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Q2. Some coding questions
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Q1. Jump Game - II
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Q2. Number of Island
Ans. 
Count the number of islands in a given grid of '1's and '0's.
• Iterate through the grid and for each '1' encountered, perform a depth-first search to mark all connected '1's as visited.

• Increment the island count for each new island encountered.

• Consider edge cases like grid boundaries and handling visited cells.
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Q1. Angular18 updates`
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Q2. Angular Ivy features
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Q3. Dif between var, let, const
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var is function scoped, let is block scoped, const is block scoped and cannot be reassigned.
• var is function scoped, let is block scoped, const is block scoped and cannot be reassigned

• var can be redeclared and updated, let can be updated but not redeclared, const cannot be redeclared or updated

• Example: var x = 10; let y = 20; const z = 30;
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Q4. What is Closure
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Closure is a function that captures the variables from its surrounding scope, even after the surrounding function has finished executing.
• Closure allows a function to access and manipulate variables from its outer scope.

• It maintains a reference to its outer scope, even after the outer function has returned.

• Closure is commonly used in event handlers and callbacks.
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Q5. Dependency injection
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Q6. Rxjs operators used
Ans. 
Rxjs operators are used for handling asynchronous operations in reactive programming.
• Map operator: transforms the items emitted by an Observable

• Filter operator: emits only those items from an Observable that pass a specified condition

• Merge operator: combines multiple Observables into one by merging their emissions

• SwitchMap operator: switches to a new Observable each time it is emitted

• DebounceTime operator: emits a valu...read more
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Q7. Change detection strategy in Angular
Ans. 
Change detection strategy in Angular is a mechanism used to detect changes in the application state and update the view accordingly.
• Angular uses Zone.js for change detection by default

• Change detection can be triggered manually using ChangeDetectorRef

• Optimizing change detection using OnPush strategy
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Q1. Trapping rain drops
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Q2. Next highest number
Ans. 
To find the next highest number, sort the numbers in ascending order and find the number immediately greater than the given number.
• Sort the numbers in ascending order

• Find the number immediately greater than the given number

• Return the next highest number
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Q1. Projects discussion
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Q2. Lld design question
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