單項(xiàng)選擇題

What protocol specified by RFC 1256 will allow an enabled IP host a new router when a router becomes unavailable？（）

A. IRDP
B. SNMP
C. HSRP
D. VRRP

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單項(xiàng)選擇題

Which of the following protocols enables a group of routers to form a single virtual router， and then use the real IP address of a router as the gateway address， as defined in RFC 2338？（）

A. Proxy ARP
B. HSRP
C. IRDP
D. VRRP
E. GLBP

單項(xiàng)選擇題

In the hardware address 0000.0c07.ac0av，
what does 07.ac represent？（）

A. HSRP well-known physical MAC address
B. Vendor code
C. HSRP router number
D. HSRP group number
E. HSRP well-known virtual MAC address

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