Dahua Technology India Pvt.Ltd. Interview Questions, Process, and Tips for Freshers

Logical Reasoning, Arithmetic

Q1. Difference Hub Router Switch
Ans. 
A hub is a simple networking device that connects multiple devices in a network. A router is a networking device that forwards data packets between computer networks. A switch is a networking device that connects devices within a network.
• Hub operates at physical layer, router operates at network layer, switch operates at data link layer

• Hub broadcasts data to all devices in the network, router forwards data between diff...read more
Answered by AI
Add your answer

Q1. Introduce Yourself
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for technology. I have experience with programming languages such as Java, Python, and SQL.
• Recent graduate with a degree in Computer Science

• Passionate about technology

• Proficient in Java, Python, and SQL
Answered by AI
Add your answer

Questions related to Security Surveillance.

Just normal GD basically they're examine our Speaking and Confidence.

Q1. 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 ...read more
Answered by AI
Add your answer
Q2. 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, a...read more
Answered by AI
Add your answer
Q3. 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 t...read more
Answered by AI
Add your answer
Q4. 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
Answered by AI
Add your answer

Q1. My Education background.
Add your answer
Q2. Where did you see yourself after 5 years ?
Add your answer
Q3. Strength and Weakness
Add your answer
Q4. How will you handle the pressure and workload ?
Add your answer

Quant, Reasoning and English

GD on any worldwide topics

Q1. Technical specifications?
Add your answer
Q2. How many devices have I worked on in Electronics?
Ans. 
I have worked on a wide range of devices in Electronics, including smartphones, laptops, tablets, and various home appliances.
• Smartphones

• Laptops

• Tablets

• Home appliances
Answered by AI
Add your answer