Monotype Sdet Automation Test Engineer Interview Questions and Answers

Q1. 2 wire 3 wire
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Q2. What is feedback
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Feedback is information about reactions to a product, service, or process that is used as a basis for improvement.
• Feedback is essential for continuous improvement in automation engineering.

• It can come from various sources such as customers, stakeholders, or testing results.

• Feedback can be positive, negative, or neutral, and should be analyzed to make informed decisions.

• Examples of feedback in automation engineering inc...read more
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Q3. What is Timer counters
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Timer counters are devices used to count the number of events or time intervals in automation systems.
• Timer counters are used to measure time intervals or count events in automation systems.

• They are commonly used in PLCs (Programmable Logic Controllers) to control processes.

• Timer counters can be programmed to trigger actions based on specific time intervals or event counts.

• Examples include using a timer counter to turn...read more
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Q4. What is PLC type
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PLC stands for Programmable Logic Controller, a type of industrial computer used to control manufacturing processes.
• PLCs are used to automate processes in industries such as manufacturing, automotive, and food processing.

• They are programmed using ladder logic or other programming languages to control machinery and equipment.

• PLCs can monitor inputs from sensors and other devices, make decisions based on logic, and contr...read more
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Q5. About past experience
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Q1. Everything from core java, questions solve by stream and HashMaps(frequencies of character)
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Q1. More from inheritance and polymorphism, collections, fail fast VS fail safe, scenario based questions, implementations of SQL queries and comparable and comparator
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Questions related to React and nodejs

Q1. Given array: [1,3,4,[6,7,[8,5],9],2] Result array : [1,3,4,6,7,8,5,9,2]
Ans. 
The given array needs to be flattened to a single-level array.
• Iterate through the array elements

• If an element is an array, recursively flatten it

• If an element is not an array, add it to the result array
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Q2. Promise in javascript
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Promise is a way to handle asynchronous operations in JavaScript.
• Promises represent a value that may not be available yet.

• They have three states: pending, fulfilled, and rejected.

• Promises can be chained using .then() and .catch() methods.

• They help avoid callback hell and make code more readable.

• Example: new Promise((resolve, reject) => {...})
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Q3. What are array methods in Javascript
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Array methods in Javascript are built-in functions that can be used to manipulate arrays.
• Some common array methods are push(), pop(), shift(), unshift(), slice(), splice(), concat(), join(), indexOf(), and forEach().

• push() adds one or more elements to the end of an array.

• pop() removes the last element from an array.

• shift() removes the first element from an array.

• unshift() adds one or more elements to the beginning of a...read more
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Q1. Asked about myself and few javascript concepts.
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Q2. State and props from react
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State and props are two important concepts in React for managing data and passing data between components.
• State is used to manage data within a component and can be updated using setState() method.

• Props are used to pass data from parent component to child component.

• State is mutable while props are immutable.

• Example:

• Example:
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