Which statement about multicast RPs is true? A. RPs are required only when using protocol independent multicast dense mode. B. RPs are required for protocol independent multicast sparse mode and dense mode. C. By default, the RP is needed periodically…

The login method is configured on the VTY lines of a router with these parameters: – The first method for authentication is TACACS – If TACACS is unavailable, login is allowed without any provided credentials Which configuration accomplishes this task?…