What does the switchport port-security command do on a switch?

What does the switchport port-security command do on a switch?

• A. It disables port security on the interface
• B. It enables port security on the interface
• C. It limits bandwidth on the interface
• D. It configures the interface as a trunk port

Answer: (B)

The switchport port-security command is used to enable port security on a specific switch interface. When this command is applied, the switch actively monitors the traffic on that port and applies security measures to prevent unauthorized access. By enabling port security, the switch can limit the number of MAC addresses allowed to access the port, which can help protect the network from unauthorized devices attempting to connect. Additionally, the switch can take various actions if a security violation occurs, such as shutting down the port, dropping packets from the violating MAC address, or logging the incident. This feature is particularly useful in environments where a higher level of security is required, as it helps ensure that only trusted devices can connect to the network. Thus, by implementing the switchport port-security command, network administrators gain better control over network access and enhance overall security.

The switchport port-security command is used to enable port security on a specific switch interface. When this command is applied, the switch actively monitors the traffic on that port and applies security measures to prevent unauthorized access.

By enabling port security, the switch can limit the number of MAC addresses allowed to access the port, which can help protect the network from unauthorized devices attempting to connect. Additionally, the switch can take various actions if a security violation occurs, such as shutting down the port, dropping packets from the violating MAC address, or logging the incident.

This feature is particularly useful in environments where a higher level of security is required, as it helps ensure that only trusted devices can connect to the network. Thus, by implementing the switchport port-security command, network administrators gain better control over network access and enhance overall security.