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What are the reasons to configure port security on a switch? (Choose two)
To stop unauthorized access to the management interface.
To automatically assign unused ports to an unused VLAN.
To stop unauthorized Telnet or SSH access to the switch over a specific port.
To alert with SNMP messages in case a violation occurs.
To stop unauthorized host from accessing the LAN.
The main reason to use port security in a switch is to stop or prevent unauthorized users to access the LAN. The network engineer can use port security to restrict usage of a specific port, by defining a maximum number of MAC addresses, by statically defining an address, or by applying different violation actions over the interface. To stop unauthorized telnet or SSH access to a management interface the switch must be secured with passwords at the command line, with the VTY console command.
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