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

单项选择题Which description is making sense on the basis of the given information?（）

A. BGP NSF Awareness is enabled
B. 10.11.1.187 is configured as an NSF-capable BGP neighbor
C. BGP gracerful restart awarness is enabled
D. SSO for BGP NSF capability is enabled

单项选择题Which keyword is used with the debug ipv6 [keyword] command to troubleshoot neighbor discovery problems?（）

A.transaction
B.icmp
C.discovery
D.nd

多项选择题Which three of the following are components of a syslog message? （）(Choose three.)

A. time stamp
B. error codes
C. severity level
D. log message name

单项选择题Which of these commands can you use to show if an operational Catalyst switch port is set for autonegotiation of speed and duplex when running Cisco IOS software?（）

A. show port network
B. show running-config
C. show controllers Ethernet-controller
D. show interfaces

单项选择题In comparison with traditional Layer 2 and Layer 3 system, Cisco Catalyst 6500 Virtual Switching System (VSS) 1440 simplifies a network by the means of:（）

A. providing loop-free technology.
B. providing HSRP/VRRP.
C. managing additional routing peers.
D. managing two nodes and configuration.