Coforge Network Engineer Interview Questions and Answers

Network switching is the process of directing data packets between devices on a network using switches.

• Switches operate at Layer 2 (Data Link) of the OSI model, forwarding frames based on MAC addresses.

• They create a separate collision domain for each connected device, improving network efficiency.

• Example: A managed switch can prioritize traffic for VoIP applications to ensure call quality.

• Switches can be classified int...read more

Network routing is the process of selecting paths for data packets to travel across networks.

• Routing determines the best path for data to travel from source to destination.

• Routers use routing tables to make decisions about where to forward packets.

• Dynamic routing protocols like OSPF and BGP adjust routes based on network changes.

• Static routing involves manually setting routes, useful for small networks.

• Example: A route...read more

Network security involves measures to protect data and resources from unauthorized access and cyber threats.

• Firewalls: Act as barriers between trusted and untrusted networks, controlling incoming and outgoing traffic.

• Intrusion Detection Systems (IDS): Monitor network traffic for suspicious activity and alert administrators.

• Encryption: Secures data in transit and at rest, making it unreadable to unauthorized users (e.g....read more

Effective communication is crucial for network engineers to collaborate, troubleshoot, and convey technical information clearly.

• Active Listening: Understanding team needs by asking clarifying questions during discussions.

• Clear Documentation: Writing concise network configuration guides to help team members.

• Technical Presentations: Explaining complex network designs to non-technical stakeholders using visuals.

• Collaborat...read more

I can join immediately or within a week, depending on the onboarding process and any necessary paperwork.

• I am available to start immediately if required.

• If there's a standard onboarding process, I can join within a week.

• I can also accommodate a later start date if needed for project planning.

• For example, if you need me to start on a specific date, I can adjust my schedule accordingly.