1500+ System Engineer Interview Questions and Answers

The S7 controller has limited scalability and flexibility compared to other controllers.

• Limited number of I/O points

• Limited memory capacity

• Limited processing power

• Limited communication options

• Limited support for advanced programming languages

• Limited compatibility with third-party devices

• Limited ability to handle complex control algorithms

• Limited fault diagnostics capabilities

IPSEC VPN is a secure network connection that uses encryption and authentication protocols. Phase 1 establishes a secure channel, while Phase 2 sets up the actual VPN tunnel.

• IPSEC VPN provides secure communication over an untrusted network.

• Phase 1 negotiates the security parameters and establishes a secure channel.

• Phase 2 sets up the actual VPN tunnel for data transmission.

• Phase 1 uses the Internet Key Exchange (IKE) protocol for authentication and key exchange.

• Phase 2 uses t...read more

A turbine is a mechanical device that converts the energy from a fluid flow into useful work.

• Turbines are commonly used in power generation, aviation, and marine applications.

• They consist of several key parts including the rotor, stator, blades, and shaft.

• The rotor is the rotating part of the turbine, while the stator is the stationary part.

• Blades are attached to the rotor and are designed to capture the energy of the fluid flow.

• The shaft connects the rotor to the external lo...read more

Modeling an upsetting operation involves understanding process parameters and their relationships.

• Upsetting is a metal forming process that involves compressing a metal workpiece to reduce its length and increase its diameter.

• Process parameters include temperature, pressure, and deformation rate.

• Temperature affects the material's flow stress and ductility, while pressure and deformation rate affect the material's strain hardening behavior.

• The relationship between these parame...read more

Protocols are a set of rules that govern the communication between devices or systems.

• Protocols define the format, timing, sequencing, and error checking of messages exchanged between devices.

• Different types of protocols include network protocols (TCP/IP, HTTP, FTP), communication protocols (RS-232, USB, Bluetooth), and application protocols (SMTP, POP3, IMAP).

• Network protocols govern the communication between devices on a network, while communication protocols govern the com...read more

Interview questions for System Engineer position

• Constructor is a special method that is used to initialize an object

• Method overriding is when a subclass provides its own implementation of a method that is already present in the parent class, while method overloading is when multiple methods have the same name but different parameters

• Program to print prime numbers between two given ranges can be achieved using nested loops and checking for prime numbers using modulus operator

• A...read more

Questions related to networking and security protocols, Bitlocker and Outlook configuration.

• HTTP is unsecured while HTTPS is secured with SSL/TLS encryption

• TCP is a connection-oriented protocol while UDP is connectionless

• Common port numbers include 80 for HTTP, 443 for HTTPS, 25 for SMTP, and 110 for POP3

• Bitlocker is a full disk encryption feature in Windows

• Outlook configuration involves setting up email accounts, server settings, and security options

Yes, I am open to working on different domains as it will broaden my knowledge and skills.

• I am always eager to learn new things and take on new challenges.

• Working on a different domain will give me the opportunity to expand my knowledge and skills.

• I am confident that I can adapt quickly and efficiently to a new domain.

• Examples: If I have experience in software engineering and I am asked to work on a networking project, I will be willing to learn and work on it.

• Examples: If I ...read more

Yes, we can automate the process of coordinating timing of different busses for a particular route.

• We can use GPS tracking to monitor the location of busses in real-time.

• We can develop a software that can analyze the data and suggest the best route and timing for the passenger.

• We can also use machine learning algorithms to predict the traffic and suggest the best route and timing for the passenger.

• We can integrate this system with a mobile app that can provide real-time infor...read more

Yes, Infosys has already diversified into product development with offerings like Finacle and EdgeVerve.

• Infosys has already developed products like Finacle, a banking software, and EdgeVerve, an AI-powered automation platform.

• The company has also acquired product-based companies like Panaya and Skava.

• Infosys has a dedicated Product Engineering Services unit that focuses on developing and maintaining software products.

• However, services still remain the primary focus of Infosys...read more

I want to switch to system engineering as it aligns with my interests and skills.

• I have always been interested in technology and how systems work

• I have gained experience in programming and software development

• I believe my skills in problem-solving and critical thinking will be valuable in system engineering

• I am excited about the opportunity to work on complex systems and contribute to their design and development

Java is a popular programming language known for its platform independence, object-oriented approach, and robustness.

• Java is platform independent, meaning it can run on any platform that has a Java Virtual Machine (JVM).

• It is object-oriented, allowing for modular and reusable code.

• Java is known for its robustness and reliability, with features like automatic memory management and exception handling.

• Java has a rich set of APIs and libraries, making it versatile for various app...read more

Java is a versatile programming language known for its platform independence and rich set of features.

• Platform independence: Java programs can run on any operating system or device with a Java Virtual Machine (JVM)

• Object-oriented: Java supports the principles of object-oriented programming, allowing for modular and reusable code

• Garbage collection: Java automatically manages memory allocation and deallocation, reducing the risk of memory leaks

• Exception handling: Java provides ...read more

A program to check if a given string is a palindrome or not.

• A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.

• To check if a string is a palindrome, we can compare the characters from the beginning and end of the string.

• If the characters match at each position, the string is a palindrome.

• We can use two pointers, one starting from the beginning and the other from the end, and compare the characters at each position....read more

I chose myself in the programming language at a small scale and gradually increased it.

• Started with basic syntax and gradually moved to more complex concepts

• Practiced on small projects before moving to larger ones

• Learned from online resources and collaborated with peers

• Continuously updated skills and learned new languages as needed

Charging protocol in EVs and purpose of charging pin at inlet

• Charging protocol determines how the battery is charged and how much power is delivered

• Charging pin is used to connect the charging cable to the vehicle's charging inlet

• Charging protocols include AC charging, DC charging, and wireless charging

• Charging protocols also include different charging levels such as Level 1, Level 2, and Level 3

• Purpose of charging pin is to ensure safe and reliable transfer of power from the...read more

I would create designated parking areas, implement a parking management system, and utilize efficient parking strategies.

• Create designated parking areas based on the capacity and layout of the campus.

• Implement a parking management system to track and manage the parking spaces.

• Utilize efficient parking strategies such as valet parking, shuttle services, and carpooling.

• Ensure proper signage and directions to guide the drivers to available parking spaces.

• Coordinate with event or...read more

Assignment is assigning a value to a variable, while initialization is declaring and assigning a value to a variable.

• Assignment changes the value of an existing variable, while initialization creates a new variable and assigns a value to it.

• Initialization is done only once, while assignment can be done multiple times.

• Example of initialization: int x = 5; Example of assignment: x = 10;

• Initialization can also be done using constructors in object-oriented programming.

• In C++, uni...read more

Experience certainty refers to the level of confidence and assurance gained through repeated exposure to a particular task or situation.

• Experience certainty is achieved through repetition and familiarity.

• It allows individuals to perform tasks with greater ease and efficiency.

• For example, a pilot who has flown the same route multiple times will have a higher level of experience certainty compared to a pilot who is flying the route for the first time.

• Experience certainty can al...read more

A normal function is called directly in the code, while a stored procedure is invoked using a database query.

• Normal function calling is done within the program code, while stored procedure invocation is done through a database query.

• Normal functions are defined and called within the same programming language, while stored procedures are defined and invoked within a database management system.

• Normal function calling is synchronous, while stored procedure invocation can be asyn...read more

Python manages data structures and variables using dynamic memory allocation.

• Python uses a heap to manage memory allocation for data structures and variables.

• Variables are created dynamically and stored in memory as objects.

• Python uses reference counting to keep track of the number of references to an object.

• Garbage collection is used to reclaim memory for objects that are no longer referenced.

• Examples of data structures in Python include lists, tuples, dictionaries, and sets...read more

C++ has three types of loops: for, while, and do-while.

• For loop is used when the number of iterations is known beforehand.

• While loop is used when the number of iterations is not known beforehand.

• Do-while loop is similar to while loop, but it executes at least once before checking the condition.

A machine is a device that performs a specific task using power and mechanisms.

• Machines can be simple or complex, ranging from a simple lever to a complex computer.

• Machines use energy to perform work, such as lifting, moving, or transforming materials.

• Examples of machines include cars, airplanes, washing machines, and robots.

• Machines can be classified into six types: lever, pulley, wheel and axle, inclined plane, wedge, and screw.

I would analyze the requirements and constraints of the parking task and devise a plan accordingly.

• Understand the size and type of vehicles that need to be parked

• Analyze the available space and layout of the parking area

• Consider any regulations or restrictions on parking

• Determine the optimal parking arrangement for maximum efficiency

• Implement a system for monitoring and managing the parking area