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单选题
A network admin wants to know every hop the packets take when he accesses cisco.com. Which command is the most appropriate to use?（）
A
path cisco.com
B
debug cisco.com
C
trace cisco.com
D
traceroute cisco.com
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考题
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考题
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考题
单选题Which of the following commands is used to determine the route that the IP packets take to a network host?（）A
route B
netstat C
iptrace D
traceroute
考题
单选题A RIP router has an entry in the routing table for a specific network destination. It then gets updated with another entry for that same destination, but with a higher path cost (hop count) than the one already in the routing table. What will the router do in this situation?（）A
It will ignore the update and take no further action.B
It will add the update information to its routing table.C
It will replace the existing routing table entry with the update information.D
It will delete the existing routing table and will send out hello packets to rebuild the routing table.
考题
多选题Router 1 is configured for BGP as dual-homed on the Cisco network. Which three BGP attributes are carried in every BGP update on this router （both IBGP and EBGP）？（）AoriginBrouter-IDCAS-pathDlocal-preferenceEnext-hop
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