單項選擇題When two bridges are competing for the root bridge of an IEEE 802.1D spanning tree and both have the same bridge priority configured, which parameter determines the winner?()

A.highest-numbered IP interface
B.MAC address
C.device uptime
D.root port cost


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2.單項選擇題For the following protocols, which one provides a mechanism to transparently intercept and redirect CIFS traffic from a client to a local Cisco Wida Area Application engine?()

A.Virtual Router Redundancy Protocol(VRRP)
B.File Transport Protocol(FTP)
C.Hot Standby Routing Protocol(HSRP)
D.Web Cache Communication Protocol(WCCP)

4.單項選擇題Phase I and Phase II DMVPN differ in terms of which of these characteristics?()

A.Utilization of spoke-to-spoke dynamic tunnels
B.Utilization of multipoint GRE tunnels at the hub site
C.Utilization of hub-to-spoke dynamic tunnels
D.Support for multicast

5.單項選擇題Which one of the following potential issues is eliminated by using split horizon?()

A.Joined horizons
B.Packet forwarding loops
C.cisco Express Forwarding load-balancing inconsistency
D.Asymmetric routing throughout the network

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