SACHA Engineering Matlab Developer Interview Questions and Answers

Coding round with just one medium question. Not much complexity but, too much coding.

A two pointer question with medium level complexity like find distance to nearest 1 in an array of 1s and zeroes

Q1. System design scenarios using sqs
Ans. 
Using SQS for system design scenarios
• Implementing a message queue system for decoupling components

• Scaling the system by adding more SQS queues for different functionalities

• Using SQS to handle asynchronous processing of tasks

• Integrating SQS with other AWS services like Lambda for serverless architecture
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Q2. System design scenarios for enough monitoring and alarming
Ans. 
Implementing system design scenarios for monitoring and alarming
• Utilize monitoring tools like Prometheus, Grafana, or Nagios to collect and visualize data

• Set up alerts based on predefined thresholds for key metrics

• Implement a centralized logging system like ELK stack to track system behavior

• Utilize distributed tracing tools like Jaeger or Zipkin to monitor request flows

• Implement health checks for services to ensure the
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Q1. Java, Html, Css, Js, MySQL
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Some logical, reasoning and aptitude questions was given as multiple choice options.

How would you implement Binary search ?

Q1. Why are you join to this company what do you know about this company?
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Q2. What is the salary expectations from us?
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Q3. What is the OOPS concepts? Why are using oops concepts?
Ans. 
OOPS concepts refer to Object-Oriented Programming concepts such as inheritance, encapsulation, polymorphism, and abstraction. They are used to create modular, reusable, and maintainable code.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: Parent class 'Animal' and child class 'Dog'.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example:...read more
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Q4. Are you comfortable for the rotational shifts?
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Javascript & Angular question -
1. Write piece of code to display the array item using iteration method?
2. Write piece of code for API integration using services ?
3. What is the method of data transferring in Angular Components ?
4. What is Routing ?

Q1. Angular Question 1. What is the difference between Angular 8 and Angular 12 version ? 2. What is Call Back Function ? 3. What is Life Cycle Hooks ? 4. How to handle large data transferring from Backend ?
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Q1. Php array functions methods
Ans. 
PHP array functions are built-in functions that allow manipulation of arrays in PHP.
• Some common array functions include array_push(), array_pop(), array_merge(), and array_filter().

• Array functions can be used to add or remove elements, merge arrays, filter elements, and more.

• Example: array_push($array, 'new element') adds a new element to the end of the array.
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Q2. Join query to show 2 table details
Ans. 
Use SQL JOIN to combine data from two tables based on a related column
• Use SELECT statement with JOIN keyword

• Specify the columns to select from each table

• Use ON keyword to specify the relationship between the tables
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Logical reasoning and technology multiple questions

Oops concepts and basic java questions

Q1. Core knowledge of work
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Q2. Analysis of situation
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Q3. Project examples, management solutions
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Q1. Confidence and bold speaking with our questions
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Q2. What about you salary
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