Nokia Networks Software Development Engineer Interview Questions and Answers

Q1. Questions related to project mentioned in CV. Questions around reliability, availability, scalability of system.
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Q2. 2 medium coding questions on arrays and hashmap.
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Q1. Golang basics, goroutines, channels.
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Q2. Coding questions on a shared board
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Q1. Deep dive into the work at current company and projects.
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Q2. How interprocess communications take place, how goroutines communicate internally, quite in-depth questions, varying over several domains.
Ans. 
Interprocess communication involves various mechanisms like pipes, sockets, shared memory, etc. Goroutines communicate using channels and shared memory.
• Interprocess communication can be achieved through mechanisms like pipes, sockets, shared memory, message queues, etc.

• Goroutines in Go communicate internally using channels, which are typed conduits through which you can send and receive values.

• Shared memory can also be...read more
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Q3. Design a URL shortener service
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Design a URL shortener service
• Generate a unique short code for each URL

• Store the mapping of short code to original URL in a database

• Redirect users from short URL to original URL

• Consider scalability and performance of the service

• Implement analytics to track usage statistics
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Dsa and pointer and logical .

Tree and LL and graphs.

Q1. How will you solved problems
Ans. 
I approach problems methodically by breaking them down, analyzing root causes, brainstorming solutions, and testing them.
• Break down the problem into smaller, manageable parts

• Analyze the root causes of the problem

• Brainstorm potential solutions

• Test and iterate on the solutions until the problem is resolved
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Q2. How will you manage workload
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I will manage workload by prioritizing tasks, setting realistic deadlines, delegating when necessary, and regularly reviewing progress.
• Prioritize tasks based on deadlines and importance

• Set realistic deadlines and milestones

• Delegate tasks to team members when necessary

• Regularly review progress and adjust workload as needed
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Basic java mcq, Java Hibernate Spring MVC framework questions

Q1. What is incremental load and how it works?
Ans. 
Incremental load is a process of updating a data warehouse or database by adding only the new or modified data.
• Incremental load is used to minimize the amount of data that needs to be processed and loaded.

• It involves identifying the changes in the source data and applying those changes to the target system.

• Common techniques for incremental load include using timestamps, change data capture, or comparing checksums.

• For e...read more
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Q2. What is the differences between keep and join ?
Ans. 
Keep and join are both used in programming, but they have different meanings and purposes.
• Keep is a method used to filter elements from a collection based on a condition.

• Join is used to combine elements from two or more collections based on a common attribute.

• Keep returns a new collection with only the elements that satisfy the condition.

• Join combines elements from multiple collections into a single collection.

• Keep is ...read more
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Q3. What is synthetic Key and how to remove them ?
Ans. 
A synthetic key is a composite key created when two or more tables have multiple common fields.
• Synthetic keys occur when there is a many-to-many relationship between tables.

• They can be removed by resolving the underlying data model issues.

• One way to remove synthetic keys is by creating a bridge table to represent the many-to-many relationship.

• Another approach is to concatenate the common fields to create a unique key.

• S...read more
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Q1. Work related discussion session.
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Q1. Pick one question from 3 given questions and complete it in 7 days. I opted for creating traingle with opengl using shader.
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Data structures and algorithms
Problem were from leetcode and geek for geeks.

Q1. Data structures and algorithms
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Q1. Design and algorithms
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Coding round , questions from leetcode

Situation based questions and thought process

Q1. Managerial round 1, culture fit, behaviour
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Q2. Managerial round 2, innovative things done previously, how to face criticism, does experience matters in learning from subordinate
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There were 2 DSA medium level questions

Q1. Leetcode medium problem on hashmap
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Q2. Binary search tree plus heap question
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Q1. Basic HR question on why you want to work at this company
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Q2. Technical questions on OOPS and a problem on system design
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