200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ852

Security Fundamentals

Which port-security violation mode drops traffic from unknown MAC addresses and sends an SNMP trap?

  • A shutdown VLAN
  • B protect
  • C restrict
  • D shutdown
Explanation

In Cisco port security, restrict discards frames from unauthorized MAC addresses while still keeping the port up, and it records the violation and can generate notifications such as SNMP traps. By contrast, protect only drops the traffic silently, and shutdown disables the port.

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