Ncsi Technologies Associate Software Engineer Interview Questions and Answers

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions on C/C++ and networking.

Q1. What is the difference between C++ and Java?
Ans. 
C++ is a statically typed language with manual memory management, while Java is a dynamically typed language with automatic memory management.
• C++ is a statically typed language, meaning data types must be explicitly declared, while Java is dynamically typed.

• C++ allows for manual memory management using pointers, while Java has automatic memory management through garbage collection.

• C++ supports multiple inheritance, whi...read more
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Q2. Can you explain the OSI Layers?
Ans. 
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.
• The OSI model consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and interacts with adjacent layers to facilitate communication between devices.

• For example, ...read more
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Q3. What is the difference between LAN (Local Area Network) and MAN (Metropolitan Area Network)?
Ans. 
LAN is a network that covers a small geographical area, while MAN covers a larger area like a city.
• LAN typically covers a single building or a group of nearby buildings.

• MAN covers a larger geographical area like a city or a town.

• LAN usually has higher data transfer speeds compared to MAN.

• Examples of LAN include home networks or office networks.

• Examples of MAN include city-wide Wi-Fi networks or cable TV networks.
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Q4. Can you explain the working of a router?
Ans. 
A router is a networking device that forwards data packets between computer networks.
• Routers operate at the network layer of the OSI model.

• They use routing tables to determine the best path for data packets to reach their destination.

• Routers can connect multiple networks together, such as a home network to the internet.

• They use protocols like TCP/IP to communicate with other devices on the network.
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Q5. What is WiFi?
Ans. 
WiFi is a wireless networking technology that allows devices to connect to the internet and communicate with each other wirelessly.
• WiFi stands for Wireless Fidelity

• Uses radio waves to transmit data between devices

• Commonly used in homes, offices, and public spaces

• Examples: connecting a laptop to a home network, accessing the internet on a smartphone
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Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.

Q1. Requires good programming skills in any of the language like java or C. Java is the best programming to crack interviews. Need to be good in java concepts like oops (with real life examples), multi-thread...read more
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Normal test includes aptitude, reasoning and programing MCQ.

Q1. Nicely done interview, ask basic details of study, related to your project, about you and programing question
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