Solution Engineer

10+ Solution Engineer Interview Questions and Answers for Freshers

Updated 7 Jul 2025
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Q. What's a Camera Sensor? What's use of sensor ? Sizes of Sensor.

Ans.

A camera sensor is a device that converts light into electrical signals to capture images. Sensors vary in size and are used in digital cameras, smartphones, and other imaging devices.

  • Camera sensor converts light into electrical signals to capture images

  • Common sensor sizes include full-frame, APS-C, Micro Four Thirds, and 1-inch sensors

  • Used in digital cameras, smartphones, security cameras, and other imaging devices

Q. What is a server ? How it's different from PC ?

Ans.

A server is a computer or software that provides functionality or resources to other devices on a network. It differs from a PC in terms of its purpose and capabilities.

  • A server is designed to provide services or resources to other devices on a network, such as hosting websites, storing files, or managing network traffic.

  • Servers typically have more powerful hardware components, such as faster processors, more memory, and larger storage capacity, compared to a typical PC.

  • Serve...read more

Q. How a mobile device connects to a network and the process invoved in it.

Ans.

A mobile device connects to a network through wireless communication protocols like Wi-Fi, Bluetooth, or cellular data.

  • Mobile device scans for available networks

  • User selects a network and enters password if required

  • Device sends a connection request to the network

  • Network authenticates the device and assigns an IP address

  • Device is now connected to the network and can access the internet

Q. OSI layer and What do you mean by Bandwidth.

Ans.

OSI layer is a networking model with 7 layers. Bandwidth refers to the maximum data transfer rate of a network or internet connection.

  • OSI layer is a networking model that divides network communication into 7 layers.

  • Each layer has specific functions and protocols to facilitate communication between devices.

  • Bandwidth refers to the maximum rate at which data can be transferred over a network or internet connection.

  • It is typically measured in bits per second (bps) or bytes per se...read more

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Asked in Indegene

4d ago

Q. What are tags in HTML?

Ans.

HTML tags are elements used to define the structure and content of a web page.

  • HTML tags are enclosed in angle brackets, such as <tag>.

  • Tags are used to define headings, paragraphs, links, images, and other elements on a webpage.

  • Tags can have attributes that provide additional information about the element, such as <img src='image.jpg'>.

Asked in TCS

2d ago

Q. What is polymorphism?

Ans.

Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.

  • Polymorphism is a fundamental concept in object-oriented programming.

  • It allows a single interface to be used for different types of objects.

  • Polymorphism can be achieved through method overriding and method overloading.

  • Example: A shape class with different subclasses like circle, square, and triangle.

  • Example: A print method that can accept diffe...read more

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3d ago

Q. How would you optimize website performance?

Ans.

Optimizing website performance involves various techniques such as minimizing HTTP requests, optimizing images, using caching, and reducing server response time.

  • Minimize HTTP requests by combining CSS and JavaScript files

  • Optimize images by using the correct file format and size

  • Utilize browser caching to store static resources locally

  • Reduce server response time by optimizing code and database queries

Asked in Gammastack

2d ago

Q. What is Event Loop in Node.Js, How it works

Ans.

Event Loop in Node.js is a mechanism that allows Node.js to perform non-blocking I/O operations.

  • Event Loop is responsible for handling asynchronous operations in Node.js.

  • It allows Node.js to perform multiple operations simultaneously without blocking the execution.

  • Event Loop continuously checks the event queue for any pending tasks and executes them in a loop.

  • Example: setTimeout() function in Node.js uses Event Loop to schedule the callback function after a specified delay.

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Asked in Axtria

2d ago

Q. What is the difference between SQL and NoSQL?

Ans.

SQL is a traditional relational database system, while NoSQL is a non-relational database system.

  • SQL databases are table-based, with predefined schema and structured data.

  • NoSQL databases are document-based, key-value pairs, wide-column stores, or graph databases, with flexible schema and unstructured data.

  • SQL databases are good for complex queries and transactions, while NoSQL databases are better for large amounts of data and scalability.

  • Examples of SQL databases include MyS...read more

Asked in Deloitte

5d ago

Q. Explain SQL joins and how to use them.

Ans.

SQL joins are used to combine rows from two or more tables based on a related column between them.

  • Types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

  • INNER JOIN returns rows when there is at least one match in both tables.

  • LEFT JOIN returns all rows from the left table and the matched rows from the right table.

  • RIGHT JOIN returns all rows from the right table and the matched rows from the left table.

  • FULL JOIN returns rows when there is a match in one of ...read more

Q. What are the different types of topologies in Computer Networks?

Ans.

Common types of network topologies include bus, star, ring, mesh, and hybrid.

  • Bus: all devices are connected to a central cable

  • Star: all devices are connected to a central hub

  • Ring: each device is connected to two other devices, forming a ring

  • Mesh: each device is connected to every other device

  • Hybrid: combination of two or more different topologies

5d ago

Q. What is functional programming?

Ans.

Functional programming is a programming paradigm that treats computation as the evaluation of mathematical functions and avoids changing state and mutable data.

  • Focuses on pure functions that do not have side effects

  • Avoids mutable data and state changes

  • Uses higher-order functions and function composition

  • Supports recursion and immutability

  • Examples include languages like Haskell, Scala, and Clojure

Asked in FICO

6d ago

Q. How do you create a graph?

Ans.

To create a graph, you can use software tools like Microsoft Excel, Google Sheets, or programming languages like Python with libraries such as Matplotlib or Seaborn.

  • Use software tools like Microsoft Excel or Google Sheets to input data and create a graph visually.

  • For more customization and automation, use programming languages like Python with libraries such as Matplotlib or Seaborn.

  • Specify the type of graph (e.g. bar graph, line graph, pie chart) and input the data points ac...read more

Asked in Sandvine

5d ago

Q. Given the heads of two singly linked-lists headA and headB, return the node at which the two lists intersect. If the two linked lists do not intersect, return null.

Ans.

Intersection of linked list is finding the common node where two linked lists meet.

  • Traverse both linked lists and find the lengths

  • Align the longer list's head to match the length of the shorter list

  • Iterate through both lists and compare nodes to find intersection

6d ago

Q. Tell me about your previous company.

Ans.

In my previous company, I focused on delivering tailored solutions to enhance client satisfaction and operational efficiency.

  • Collaborated with cross-functional teams to identify client needs and develop customized solutions.

  • Implemented a new CRM system that improved client tracking and communication, resulting in a 20% increase in client retention.

  • Conducted regular training sessions for staff on new technologies and processes to ensure smooth adoption.

  • Analyzed client feedback...read more

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