200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ916

Security Fundamentals

Which function is carried out by DHCP snooping?

  • A listens to multicast traffic for packet forwarding
  • B rate-limits certain traffic
  • C propagates VLAN information between switches
  • D provides DDoS mitigation
Explanation

DHCP snooping is a switch security feature that monitors DHCP exchanges and blocks unauthorized DHCP server messages on untrusted ports. It also supports limiting the rate of DHCP packets on untrusted interfaces to help prevent DHCP starvation attacks. Because of that, the matching function is rate-limiting certain traffic.

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