Grafito Innovations Interview Questions and Answers

Given an assignment for a CTF challenge.

Q1. Question based on Nodejs, MySQL
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Simple coding and scripting round

This round was in front of a panelist you have to code a basic application

Q1. This was system design round where db schema and application outline and logic to build it were asked
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Q1. Here behavioural question were asked by the product owner
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Q1. This is also a coding round where you have to code a small application related to the tech you have exp in
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Good level question. I have qualified for the next round

Basic to intermediate question, Cleared the test

Q1. Tell me about yourself and introduce yourself
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Mcq

Q1. Tell us something about yourself?
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Q1. Why do you think you are fit for this role?
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Q1. What is IoT, explain your project on it.
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Q2. What is flow sensor ? Explain it's working.
Ans. 
A flow sensor is a device used to measure the flow rate of a fluid or gas.
• Flow sensors work by measuring the amount of fluid or gas passing through a pipe or channel.

• There are different types of flow sensors such as thermal, ultrasonic, and magnetic flow sensors.

• Flow sensors are commonly used in industries such as automotive, aerospace, and medical.

• Examples of applications of flow sensors include monitoring blood flow ...read more
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Q3. What is the different mode esp32?
Ans. 
ESP32 has three different modes: Station mode, SoftAP mode, and Station+SoftAP mode.
• Station mode allows the ESP32 to connect to a Wi-Fi network as a client.

• SoftAP mode allows the ESP32 to act as a Wi-Fi access point.

• Station+SoftAP mode allows the ESP32 to both connect to a Wi-Fi network and act as an access point simultaneously.
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Q4. What is server, cloud, AWS
Ans. 
Server is a computer system that provides services to other computers. Cloud is a network of servers. AWS is a cloud computing platform.
• Server is a hardware or software system that provides services to other computers or devices.

• Cloud is a network of servers that can be accessed remotely over the internet.

• AWS (Amazon Web Services) is a cloud computing platform that provides a wide range of services such as computing po...read more
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Q5. Do you know about circuit design.
Ans. 
Yes, I have knowledge of circuit design.
• I have experience in designing and testing circuits for various applications.

• I am familiar with different types of circuits such as analog, digital, and mixed-signal circuits.

• I have worked with tools such as SPICE simulation software and PCB design software.

• I have designed circuits for projects such as power supplies, audio amplifiers, and microcontroller-based systems.
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Q1. How much you are getting now.
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Q2. What is your expectations about salary.
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