Lakshya Powertech Limited Interview Questions and Answers

Q1. Good communication with our team and my colleagues
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Q2. Need improve my skills and strictly fallow up our EHS values
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Q3. Target is more important in your life, keep doing work unless get your unreachable targets.
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Q4. Good behaviour build your team and save ethics.
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Q1. What is the Look and Say sequence, and how can a program be written to generate the next number in this sequence?
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Q2. What is the SQL query to perform a join on two tables and calculate the aggregate sum using the product ID?
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Q3. What is the process for writing a Bash script to read and parse a CSV file and print the last character of each line?
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Platform: Coderbyte Test. The process is similar to the technical round, except that in the last bash script question, instead of printing the last character, print the third last character of each line.

Q1. Can you tell me about yourself?
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Q2. What are the principles of Continuous Integration and Continuous Deployment (CI/CD)?
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Q3. What version control tools do you use, and can you explain how you utilize them?
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Q4. What is the SQL query to join two tables and use aggregate functions such as SUM and AVG with GROUP BY?
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Q5. What is the Bash command to suppress all output and errors?
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Q1. Can you tell me about yourself and your family?
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Q2. Are you comfortable with the possibility of relocating for the position?
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Q3. Would it be acceptable to work shift timings from 6:30 AM to 3:30 PM considering that the client is based in New Zealand?
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Q1. Basic Javascript questions were asked like Hoisting, Event Loop, Closure.
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Q2. What are semantic tags? << HTML based question
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Semantic tags in HTML are specific tags that provide meaning to the content they enclose.
• Semantic tags help search engines and screen readers understand the structure of a webpage.

• Examples of semantic tags include <header>, <footer>, <nav>, <article>, <section>, <aside>, <main>, <figure>, <figcaption>.

• Using semantic tags improves SEO and accessibility of a website.
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Q3. What is currying in js?
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Currying is a technique in functional programming where a function with multiple arguments is transformed into a sequence of nested functions, each taking a single argument.
• Currying helps in creating reusable functions and partial application.

• It allows you to create new functions by fixing some parameters of an existing function.

• Example: const add = (a) => (b) => a + b; add(2)(3) will return 5.
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Q4. What is the difference between Map and Filter?
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Map is used to transform each element of an array, while Filter is used to select elements based on a condition.
• Map returns a new array with the same length as the original array, but with each element transformed based on a provided function.

• Filter returns a new array with only the elements that pass a provided condition function.

• Example for Map: [1, 2, 3].map(num => num * 2) will result in [2, 4, 6].

• Example for Fi...read more
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Q5. What is the difference between Map and ForEach?
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Map creates a new array with the results of calling a provided function on every element, while forEach executes a provided function once for each array element.
• Map returns a new array with the same length as the original array, while forEach does not return anything.

• Map does not mutate the original array, while forEach can mutate the original array.

• Map is more suitable for transforming data and creating a new array, w...read more
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Q6. What is the difference between Authentication and Authorization?
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Authentication verifies the identity of a user, while authorization determines the user's access rights.
• Authentication confirms the user's identity through credentials like username and password.

• Authorization determines what actions the authenticated user is allowed to perform.

• Authentication precedes authorization in the security process.

• Example: Logging into a website (authentication) and then accessing specific pages
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Q7. What is the difference between Local storage and Session storage?
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Local storage persists even after the browser is closed, while session storage is cleared when the browser is closed.
• Local storage has no expiration date, while session storage expires when the browser is closed.

• Local storage stores data with no limit, while session storage has a limit of around 5MB.

• Local storage data is available across all windows/tabs for that domain, while session storage data is only available wit...read more
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Q1. This was the Final round, it lasted for around 30 mins and the interviewer gave me a coding question to build a Countdown Timer app.
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