Alstom Transportation Senior Software Developer Interview Questions and Answers

Q1. Java oops concepts
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Q2. Integration testing
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Q1. Difference between let, const and var
Ans. 
let, const, and var are all used to declare variables in JavaScript, but they have different scopes and behaviors.
• let: block-scoped variable, can be reassigned

• const: block-scoped variable, cannot be reassigned, but its properties can be modified

• var: function-scoped variable, can be reassigned
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Q1. What's your weakness, strength, tell me more about your last project
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Q1. Managerial Round
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Q1. What is arbitration in can
Ans. 
Arbitration in CAN is a process of resolving conflicts when multiple nodes try to transmit data simultaneously.
• Arbitration is used in Controller Area Network (CAN) to ensure that only one node transmits data at a time.

• Each node on the CAN bus has a unique identifier, and the node with the highest priority identifier gets to transmit its data first.

• If two or more nodes try to transmit data at the same time, the arbitrat...read more
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Q1. Scrum master roles and responsibilities
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Q2. Scrum ceremonies, Scrum values, scrum artefacts, Backlog refinement, Metrics, TIM velocity, Burn down and burn up chats, Banking domain knowledge
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Simple javascript programs

Q1. Basic and midlevel React, Nodejs, javascript
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