Defence Research & Development Organisation Project Coordinator Interview Questions and Answers

Q1. Explain linkedlist and its advantages
Ans. 
A linked list is a data structure where each element points to the next element, allowing for dynamic size and efficient insertion/deletion.
• Each element (node) in a linked list contains data and a reference to the next node

• Advantages include dynamic size, efficient insertion/deletion, and no need for contiguous memory allocation

• Examples: Singly linked list, doubly linked list, circular linked list
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Maths, DSA and basic python programming and details were shared immediately

Q1. Working of NVR and troubleshooting of same
Ans. 
NVR stands for Network Video Recorder, used for recording and storing video footage from IP cameras.
• NVR records video footage from IP cameras onto a hard drive or storage device.

• Troubleshooting NVR involves checking network connections, power supply, and storage capacity.

• Common issues include network connectivity problems, insufficient storage space, and power supply failures.
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Q2. What is earthing
Ans. 
Earthing is the process of connecting electrical systems to the ground to prevent electric shock and protect equipment.
• Earthing helps to prevent electric shock by providing a path for fault currents to flow safely into the ground.

• It also helps to protect electrical equipment from damage caused by lightning strikes or power surges.

• Earthing is essential in electrical systems to ensure safety and proper functioning.

• Exampl...read more
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Q3. How to check input and output voltage
Ans. 
To check input and output voltage, use a multimeter to measure the voltage at the input and output terminals of the device.
• Set the multimeter to the voltage measurement setting.

• Connect the black probe to the ground terminal and the red probe to the input terminal to measure input voltage.

• Repeat the process for the output terminal to measure output voltage.

• Ensure the voltage readings are within the specified range for t
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Q4. Colour coding of cat6 cable
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Cat6 cables are typically color coded for easy identification and organization.
• Cat6 cables are often color coded according to the TIA/EIA-568-B standard

• The standard color code for Cat6 cables includes solid colors like blue, orange, green, and brown, as well as striped versions of those colors

• Color coding helps in quickly identifying and organizing cables in a network setup
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Easy school level math and logical reasoning

Q1. What are the materials used in the aerospace industries
Ans. 
Materials used in aerospace industries include metals, composites, ceramics, and polymers.
• Metals such as aluminum, titanium, and steel are commonly used for structural components due to their strength and lightweight properties.

• Composites, like carbon fiber reinforced polymers, are used for their high strength-to-weight ratio and resistance to corrosion.

• Ceramics are utilized for their heat resistance and ability to wit...read more
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Q1. DSA questions and resume
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Q2. CS Fundamentals
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Q1. Introduction and managerial questions
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Q1. Related to CCTV projects
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Q2. Boom barrier loop detection?
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Q1. Salary related questions answers
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