Quantiphi Analytics Solutions Private Limited Gcp Engineer Interview Questions and Answers

Data structure was more and it was difficult round

Q1. It will depend on interviewer
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Q1. It will be depending on Manager who is taking interview
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Q1. It will be very smooth
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Q1. Questions on gcp project
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Q2. Sql and spark with airflow questions
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Q1. Mostly like gcp services and managerial kind of questions
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Q1. Data structure [Array]
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Q2. Core JAVA questions[ exception handling , OOPS , Collections Framework ]
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Q3. JDBC and SQL questions
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Q1. Project discussion
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Q2. Tell me one scenerio under which you did development
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C and Golang related questions, 2 Hours assement, The test involved writing code by hand in paper in the office (Bengaluru)

Q1. Write a go code to remove duplicate elements from a slice.
Ans. 
Go code to remove duplicate elements from a slice of strings
• Use a map to keep track of unique elements

• Iterate over the slice and add elements to the map

• Create a new slice with unique elements from the map
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Q2. Difference between array and slice in Go.
Ans. 
Arrays have fixed length, slices are dynamic and can grow/shrink. Slices are references to arrays.
• Arrays have fixed length, specified at compile time.

• Slices are dynamic, can grow or shrink at runtime.

• Slices are references to arrays, allowing for more flexibility.

• Example: var arr [3]string // array with fixed length of 3

• Example: slice := make([]string, 0) // slice with dynamic length
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Q3. Explain struct and interface
Ans. 
Struct is a user-defined data type that groups related data fields together. Interface defines a set of methods that a type must implement.
• Struct is used to create complex data structures by grouping related data fields together.

• Interface defines a set of methods that a type must implement. It allows for polymorphism in Go.

• Example: type Person struct { Name string; Age int }

• Example: type Shape interface { Area() float6...read more
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Q4. What is containerization.
Ans. 
Containerization is a method of packaging, distributing, and running applications in isolated environments called containers.
• Containers are lightweight, portable, and can run on any platform that supports containerization.

• They include everything needed to run the application, such as code, runtime, system tools, libraries, and settings.

• Popular containerization tools include Docker, Kubernetes, and Podman.

• Containerizati...read more
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Q5. Write a go code to implement struct.
Ans. 
Implementing a struct in Go code
• Define a struct using the 'type' keyword

• Add fields to the struct with their respective data types

• Access struct fields using dot notation
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Q6. Explain goroutine.
Ans. 
Goroutine is a lightweight thread managed by Go runtime, allowing concurrent execution of functions.
• Goroutines are created using the 'go' keyword in Go programming language.

• They are more lightweight than threads and are managed by the Go runtime.

• Goroutines allow for concurrent execution of functions without the need for manual thread management.

• Example: go myFunction()

• Example: go func() { // code here }
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Q7. How do you achieve concurrency in Go?
Ans. 
Concurrency in Go is achieved using goroutines and channels.
• Use goroutines to run functions concurrently

• Communicate between goroutines using channels

• Avoid using shared memory for synchronization
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Q8. What is channel in Go? What are the differences between buffered and unbuffered channel?
Ans. 
A channel in Go is a communication mechanism that allows goroutines to communicate with each other.
• Buffered channels have a specific capacity and can send multiple values without the need for a corresponding receive operation immediately.

• Unbuffered channels have no capacity and require both a send and receive operation to be ready at the same time for communication to occur.
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Q9. What is scaling? Horizontal and vertical scaling.
Ans. 
Scaling refers to the ability of a system to handle increasing amounts of work or its potential to accommodate growth.
• Horizontal scaling involves adding more machines to distribute the load, while vertical scaling involves increasing the resources of a single machine.

• Horizontal scaling is more cost-effective and provides better fault tolerance, but can be more complex to implement.

• Vertical scaling is simpler to impleme...read more
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Q1. Difference between Scheduled script and Map reduce script?
Ans. 
Scheduled script runs on a predefined schedule, while Map reduce script processes large datasets in parallel.
• Scheduled script is used for automating tasks at specific times, like sending reports daily at 8am.

• Map reduce script is used for processing large datasets by splitting them into smaller chunks and processing them in parallel.

• Scheduled script is typically used for routine tasks, while Map reduce script is used fo...read more
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Q2. Types of scripts in NetSuite.
Ans. 
Types of scripts in NetSuite include SuiteScript, SuiteTalk, SuiteFlow, and SuiteBuilder.
• SuiteScript: JavaScript-based scripts for customizing NetSuite functionality.

• SuiteTalk: Web services integration for connecting NetSuite with external systems.

• SuiteFlow: Visual workflow tool for automating business processes.

• SuiteBuilder: Customization tool for modifying NetSuite forms, fields, and records.
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Q1. SQL Array Oop
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Q2. Array defintiion and uses
Ans. 
An array is a data structure that stores a collection of elements of the same data type.
• Arrays are used to store multiple values in a single variable.

• Elements in an array are accessed by their index, starting from 0.

• Example: String[] names = {"Alice", "Bob", "Charlie"};
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Q3. Data structures and its uses
Ans. 
Data structures are used to organize and store data efficiently in computer memory.
• Data structures help in efficient data retrieval, insertion, and deletion operations.

• Examples include arrays, linked lists, stacks, queues, trees, and graphs.

• Each data structure has its own advantages and use cases based on the requirements of the application.

• For example, arrays are used for random access to elements, while linked lists
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Q1. About javascript
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Q1. About project , roles and responsibilities
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Q1. Salary and working things
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Choose the Options in Javascript, HTML, CSS

Q1. ES6 concepts of javascript
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Q2. Core concepts of Reactjs
Ans. 
Reactjs is a JavaScript library for building user interfaces.
• Component-based architecture

• Virtual DOM for efficient updates

• JSX for writing HTML in JavaScript

• State management with setState()

• Lifecycle methods like componentDidMount()
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Q1. Role discussion with Manager
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Q2. Salary discussion with HR
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