Netskope Interview Questions and Answers

Q1. Difference between array and slice
Ans. 
Arrays have fixed size while slices are dynamic and can grow or shrink.
• Arrays have a fixed size determined at compile time, while slices are dynamic and can change in size during runtime.

• Arrays are passed by value, while slices are passed by reference.

• Arrays use square brackets [] for declaration, while slices use square brackets with a colon [:] to specify a range.

• Example: var arr [3]int = [1, 2, 3] // Array, var slic...read more
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Q2. Error handling on Golang
Ans. 
Error handling in Golang is done using the built-in error type and the defer keyword.
• Use the built-in error type to represent errors in Go functions.

• Handle errors using if statements or the defer keyword.

• Use the panic function to terminate the program if a critical error occurs.
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Q3. Concurrency in Golang
Ans. 
Concurrency in Golang allows multiple tasks to be executed simultaneously, improving performance and efficiency.
• Goroutines are lightweight threads managed by the Go runtime, allowing for concurrent execution of functions.

• Channels are used to communicate and synchronize data between goroutines, preventing race conditions.

• The 'go' keyword is used to start a new goroutine, enabling parallelism in Go programs.
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Q4. Project discussion
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Q5. Golang program to perform CRUDD operations on user details
Ans. 
Golang program for CRUDD operations on user details
• Use structs to define user details

• Implement functions for Create, Read, Update, Delete operations

• Use a map or slice to store user data

• Handle errors and input validation

• Use packages like 'fmt' and 'bufio' for input/output operations
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Asekd to code a graph problem. Similar to Course Scheduler 2 of LeetCode.

It didn't go well and interview is open towards understanding the explanation.

Q1. Why u want a change.
Ans. 
I'm seeking new challenges and opportunities for growth that align with my career goals and aspirations.
• Desire for professional growth: I'm looking to expand my skill set and take on more responsibilities, such as leading projects.

• Alignment with career goals: I want to work in an environment that supports innovation and creativity, which is crucial for my career trajectory.

• Cultural fit: I'm seeking a company culture th...read more
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Q2. What is ur salary expectation.
Ans. 
I expect a competitive salary that reflects my skills, experience, and the industry standards for a Staff Engineer role.
• Research industry standards: For example, Glassdoor or Payscale can provide insights into typical salaries for similar roles.

• Consider my experience: With over 8 years in software development and leadership roles, I bring significant value to the team.

• Location matters: Salaries can vary greatly by regi...read more
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Q1. Technical background
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Q1. Current roles and responsibilities
Ans. 
Currently responsible for managing and monitoring production systems to ensure high availability and reliability.
• Monitoring system performance and identifying issues

• Implementing automation for routine tasks

• Participating in on-call rotation for incident response
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Q1. Kubernetes, rancher, Prometheus, linux
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Q1. Nginx, haproxy, networking related kernel parameters
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Q1. Interviewer did not show up
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Q1. Build a menu tree given a flat list
Ans. 
Transform a flat list of menu items into a hierarchical tree structure for better organization.
• Identify parent-child relationships in the flat list using a unique identifier.

• Create a map to hold references to each item for easy access.

• Iterate through the flat list and assign children to their respective parents.

• Example: For items [{id: 1, parentId: null}, {id: 2, parentId: 1}], item 2 is a child of item 1.

• Return the ro...read more
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Q2. How to achive this in O(N) complexity
Ans. 
Achieving O(N) complexity often involves using efficient data structures and algorithms to minimize operations.
• Use a single pass algorithm, like Kadane's algorithm for maximum subarray sum.

• Utilize hash maps for counting occurrences, e.g., finding duplicates in an array.

• Implement the two-pointer technique for problems like finding pairs in sorted arrays.
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Implementation of LRU cache.

Q1. Closure related questions
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Q2. Hoisting related questions
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Q3. Build a simple feature
Ans. 
Implement a search feature for a website
• Create a search bar on the website

• Implement a search algorithm to match user input with database entries

• Display search results in a user-friendly manner
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Q1. Architecture discussion about previous projects
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Q2. Discussed about each points in CV
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