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Which two protocols are not protected in an edge router by using control plane policing? (Choose two.)
Correct Answer: A,B
Explanation/Reference: Explanation: A CoPP policy can limit a number of different packet types that are forwarded to the control plane. Traffic destined for the switch CPU includes: Address Resolution Protocol (ARP) First-hop redundancy protocol packets Layer 2 control packets Management packets (telnet, Secure Shell [SSH] Protocol, Simple Network Management Protocol [SNMP]) <--- C and D are not correct. Multicast control packets Routing protocol packets Packets with IP options Packets with time to live (TTL) set to 1 Packets that require ACL logging Packets that require an initial lookup (first packet in a flow: FIB miss) Packets that have don't support hardware switching/routing Reference. http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-6500-series- switches/ white_paper_c11_553261.html