CCNA系列認(rèn)證單項(xiàng)選擇題每日一練(2020.04.28)

A.The Serial 0/0 interface is passing traffic.
B.The DLCI 100 was dynamically allocated by the router.
C.The Serial 0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server.
D.The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud.
E.The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned through Inverse ARP.

A. a primary route,stored in the routing table
B. a backup route,stored in the routing table
C. a backup route,stored in the topology table
D. a primary route,stored in the topology table

A. duplex mismatch
B. a routing loop
C. trunking mode mismatch
D. improperly configured root bridge
E. improperly configured static VLAN

A.redundant
B.spanned
C.provisioned
D.converged

A.cisco1
B.cisco2
C.cisco3
D.cisco