Engineer - Network Operations Interview Questions and Answers for Freshers

To resolve a switch problem, identify the issue, troubleshoot, and apply appropriate solutions.

• Identify the specific problem with the switch

• Check for physical connectivity issues

• Verify switch configuration and settings

• Restart or reset the switch if necessary

• Update firmware or software if outdated

• Replace faulty hardware components if needed

OSI layers are a conceptual model that describes the communication functions of a network.

• OSI stands for Open Systems Interconnection.

• There are 7 layers in the OSI model.

• Each layer has a specific function and communicates with the layers above and below it.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Examples of protocols at each layer include Ethernet at the Data Link layer and HTTP at the Application layer.