Which two components should be part of a security implementation plan? (Choose two.)

A.
detailed list of personnel assigned to each task within the plan

B.
a Layer 2 spanning-tree design topology

C.
rollback guidelines

D.
placing all unused access ports in VLAN 1 to proactively manage port security

E.
enabling SNMP access to Cisco Discovery Protocol data for logging and forensic analysis

Explanation:
Cisco recommendation for the security implementation plan includes two components:
• A documented rollback plan should be part of any implementation plan
• A Layer 2 spanning tree design topology should be part of a security implementation plan
Reference:
http://www.ccnpguide.com/design-documentation/