642-874 Sample Question: 16

Question: 16

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

Answer : A,C

642-874 Sample Question: 15

Question: 15

Which NAC design model matches the following definitions?

• NAS is deployed centrally in the core or distribution layer.
• Users are multiple hops away from the Cisco NAS.
• After authentication and posture assessment, the client traffic no longer passes through the Cisco NAS.
• PBR is needed to direct the user traffic appropriately.

A. Layer 3 in-band virtual gateway
B. Layer 3 out-of-band with addressing
C. Layer 2 in-band virtual gateway
D. Layer 2 out-of-band virtual gateway

Answer : B