单项选择题

Which of these statements about FSPF is true？（）

A. It supports multipath routing
B. It can run any type of storage ports
C. When it is used， hop-by-hop routes are based only on the switch ID
D. When it is used， path status is based on the functionality of attached ports
E. It runs only on a switch fabric and cannot function in a VSAN

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多项选择题

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

A. You can reduce outage 1 to 3 seconds by using SSO in Layer 2 environment or Cisco NSF with SSO in a Layer 3 environment.
B. SSO and NSF each require the device to either be graceful restart-capable or graceful-aware.
C. In a fully redundant topology adding redundant supervisor a with NSF and SSO may causelonger convergence times than single supervisors with turned IGP times
D. The primary deployment scenario for Cisco NSF with SSO is in the Distribution and Corelayers.
E. Cisco NSF-aware neighbor relationship are independent of any turned IGP times

单项选择题

What is the recommended practice regarding UDLD when implementing it in all fiber-optic LANports？（）

A. Adjust the default hello timers to three seconds for aggressive mode
B. Enable it in global mode and on every interface you need to support
C. Enable it in global mode to support every individual fiber-optic interface
D. Enable it to create channels containing up to eight parallel links between switches

单项选择题

Wh.ch version of spanning tree is recommended for the enterprise campus？（）

A. CST
B. MST
C. STP
D. PVST+
E. PVRST+