Which of the Following Statements Is Considered Best Practice When

Multiple Choice

Which of the following statements is considered best practice when changing a network policy that has been associated with an interface?

A) The policy should be placed in a "shutdown" state before changes are made.
B) A new network policy should be created and applied to the interface, overwriting the previous policy.
C) The policy must first be removed from the interface, then modified and re-applied to the interface.
D) Before the policy can be changed, it must be deleted with the no network qos <policy-id> command.
E) Before any changes are made to the policy, all network interfaces where the policy is applied have to be shut down.