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» Cisco » Examen Cisco CCNA V3.1 » Module 3 » Chapitre 6 » Question 16/26

16.How can a switch be configured to prevent unauthorized hosts from access to a network? (Choose three.)

Host MAC addresses can be statically assigned to each switch port.
Layer 2 access control lists can be used to prevent unauthorized network access.
Unused ports can be shutdown.
Passwords and usernames can be set for each Ethernet switch port.
Unused switch ports can be assigned to the management VLAN.
Port security can be activated to allow only the host with the first MAC address learned on a port to access the network.