Which of the following two statements about Cisco NSF and SSO are the most relevant to the
network designer? (Choose two.)

A.
You can reduce outages to 1 to 3 seconds by using SSO in a Layer 2 environment or Cisco
NSF with SSO in a Layer 3 environment.

B.
SSO and NSF each require the devices to either be graceful restart-capable or graceful restart
aware.

C.
In a fully redundant topology adding redundant supervisors with NSF and SSO may cause
longer convergence times than single supervisors with tuned IGP timers

D.
The primary deployment scenario for Cisco NSF with SSO is in the Distribution and Core
layers.

E.
Cisco NSF-aware neighbor relationships are independent of any tuned IGP timers