单项选择题

As a network administrator, you issue the interface aut……

As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:（）

A. using DHCP snooping
B. snooping the incoming 802.1Q VLAN tag
C. using CDP
D. snooping the CoS marking on the incoming frames

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热门试题

单项选择题What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）

A. Route reflectors are not passing updates properly.
B. BGP synchronization has been enabled.
C. The next-hop address is unreachable.
D. No loopback interface has been configured on a router.

单项选择题Which Cisco IOS command is used to troubleshoot a problem in which a BGP session stays in the active state?（）

A. debug ip bgp updates
B. debug ip tcp events
C. debug ip bgp transactions
D. debug ip tcp transactions

单项选择题Which command is used to view IPv6 parameters related to the BGP process?（）

A. show ip bgp ipv6
B. show protocols ipv6
C. show ipv6 bgp
D. show bgp ipv6

单项选择题Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?（）

A.paths
B.accepted-routes
C.advertised-routes
D.routes

单项选择题Which command displays only those entries in a BGP table with specific AS_PATH attributes?（）

A. show ip bgp inconsistent-as
B. show ip bgp paths
C. show ip bgp community-list
D. show ip bgp regexp