Ns3techsolutions Network Engineer Interview Questions and Answers

Q1. What do you know about routing?
Ans. 
Routing is the process of selecting the best path for network traffic to reach its destination.
• Routing involves determining the optimal path for data packets to travel from the source to the destination.

• Routers use routing tables to make decisions on how to forward packets based on destination IP addresses.

• There are different types of routing protocols such as RIP, OSPF, EIGRP, and BGP.

• Static routing involves manually ...read more
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Q2. What do you know about switching?
Ans. 
Switching is a networking technique used to forward data packets between devices on a computer network.
• Switching involves the process of receiving, analyzing, and forwarding data packets within a network.

• Switches operate at Layer 2 (Data Link Layer) of the OSI model.

• Switches use MAC addresses to determine the destination of data packets.

• Switches create separate collision domains and broadcast domains, improving network...read more
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Normal aptitude group discussion assignment case study

Coding test assignment one on one round

Q1. Technical vs no tech
Ans. 
Technical skills are essential for a Network Engineer, but soft skills are also important for effective communication and teamwork.
• Technical skills are necessary for configuring and troubleshooting network devices.

• Soft skills like communication, teamwork, and problem-solving are crucial for working effectively with colleagues and clients.

• Balancing technical expertise with interpersonal skills is key to success in the r...read more
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Q2. Dhcp vs dns gdp vs rdp frp vs 30nd
Ans. 
DHCP is a protocol used to assign IP addresses dynamically to devices on a network, while DNS is a system that translates domain names to IP addresses.
• DHCP assigns IP addresses to devices on a network dynamically

• DNS translates domain names to IP addresses

• RDP (Remote Desktop Protocol) allows users to remotely connect to a computer

• FRP (Fiberglass Reinforced Plastic) is a material used in construction

• 30nd does not seem to
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Some aptitude and coding question

Q1. Explain OSI modal.
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven different layers.
• The OSI model stands for Open Systems Interconnection model.

• It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and communicates with the adjacent layers.

• For example, the Physical layer de...read more
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Q2. Difference between unicasting, Multicasting, Broadcasting.
Ans. 
Unicasting sends data from one sender to one receiver, Multicasting sends data from one sender to multiple receivers, Broadcasting sends data from one sender to all receivers in the network.
• Unicasting is one-to-one communication.

• Multicasting is one-to-many communication.

• Broadcasting is one-to-all communication.

• Unicasting is used in TCP connections.

• Multicasting is used in streaming video or audio to multiple users.

• Broad...read more
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Q1. Technical questions
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Q2. Sellery discussion
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Q3. Knowledge of networking
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Q4. Knowledge of networking ccna
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Q5. Routing and switching knowledge
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Q6. Basic networking questions
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Q1. What can I do
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Q2. Simple way discussion
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Q1. Introduction 🤣
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Q2. Tell me your weakness ? 🤣
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Q1. Define optical fibre
Ans. 
Optical fibre is a thin, flexible, transparent fibre made of glass or plastic that can transmit light signals over long distances.
• Optical fibre is used in telecommunications to transmit data at high speeds.

• It consists of a core, which carries the light signals, surrounded by a cladding layer that reflects the light back into the core.

• The core and cladding are protected by a buffer coating to prevent damage.

• Optical fibr...read more
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Q1. General Question
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Q1. DWDM , transmission fault management
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