R Systems International Scada Engineer Interview Questions and Answers

Q1. What is AD dns dhcp?
Ans. 
AD DNS DHCP are Microsoft technologies used for network management and authentication.
• Active Directory (AD) is a directory service used for authentication and authorization of users and computers in a network.

• Domain Name System (DNS) is used for name resolution of network resources.

• Dynamic Host Configuration Protocol (DHCP) is used for automatic IP address assignment to network devices.

• AD, DNS, and DHCP are often used ...read more
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Q2. What is IaaS SaaS PaaS?
Ans. 
IaaS, SaaS, and PaaS are cloud computing models that provide different levels of infrastructure, software, and platform services.
• IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as servers, storage, and networking.

• SaaS (Software as a Service) delivers software applications over the internet, eliminating the need for local installation and maintenance.

• PaaS (Platform as ...read more
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General questions for 1 hors online exams

Q1. How Canoe simulation works
Ans. 
Canoe simulation is a software tool used for modeling and simulating the behavior of automotive electronic control units (ECUs) in a virtual environment.
• Canoe simulation allows engineers to test and validate the functionality of ECUs before physical implementation in vehicles.

• It can simulate various communication protocols such as CAN, LIN, and FlexRay to mimic real-world scenarios.

• Engineers can create and execute test...read more
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Q1. Why are you leaving company
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Technical questions related to SQL , java , hibernate, spring boot ,oops, restful webservices

Q1. How to write Immutable class in java
Ans. 
Immutable class in Java
• Make the class final

• Make all fields private and final

• Do not provide any setter methods

• If mutable objects are used, return a copy instead of the original object
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Q1. What is difference between spring MVC and spring Boot
Ans. 
Spring MVC is a web framework while Spring Boot is an opinionated configuration of Spring.
• Spring MVC requires manual configuration while Spring Boot provides auto-configuration.

• Spring Boot includes an embedded server while Spring MVC requires a separate server.

• Spring Boot simplifies dependency management while Spring MVC requires manual dependency management.

• Spring Boot is ideal for microservices while Spring MVC is be
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Q1. Salary discussion and project related information
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