NoBroker Node JS Developer Interview Questions and Answers

Q1. Sql related questions
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It was quite good and easy to crack

It was easy to crack,simple questions asked

They will ask only general topics

Q1. Basic dsa questions asked
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Q2. Sql queries and also about joins
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2 coding question easy to medium level

It was easy based on topic andriod vs ios

Q1. Question on resume and project
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It was quite easy with basic topics like percentage, profit and loss.

Internet censorship should be implemented or not

90 min, DSA, hacker platform 3 question

Q1. 2D DP WITH SPACE OPTIMIZATION
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2D DP with space optimization is a technique to reduce memory usage while solving dynamic programming problems.
• Use a 1D array instead of a 2D array to store values in dynamic programming problems.

• Update the values in the 1D array based on the dependencies between subproblems.

• Example: Solving the longest common subsequence problem using 2D DP with space optimization.
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Q2. GRAPH WITH BFS ON TREE
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Breadth First Search (BFS) on a tree involves visiting nodes level by level starting from the root.
• Start by visiting the root node, then visit all its children before moving on to the next level

• Use a queue data structure to keep track of nodes to visit next

• Repeat the process until all nodes have been visited
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Q1. How connect internet to computer Answer: connect R j 45 divice
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To connect the internet to a computer, use an Ethernet cable (RJ-45) to connect the computer's Ethernet port to a modem or router.
• Obtain an Ethernet cable (RJ-45)

• Locate the Ethernet port on the computer

• Connect one end of the Ethernet cable to the computer's Ethernet port

• Connect the other end of the Ethernet cable to a modem or router

• Ensure the modem or router is connected to the internet

• Configure network settings on th...read more
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Q2. What is duplex.
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Duplex is a communication mode that allows data to be transmitted in both directions simultaneously.
• Duplex refers to the ability of a communication system to transmit and receive data at the same time.

• It is commonly used in networking and telecommunications to describe the type of communication between devices.

• There are two types of duplex: half-duplex and full-duplex.

• In half-duplex, data can be transmitted in both dir...read more
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