多項選擇題Which two states are the port states when RSTP has converged？（）

A.blocking
B.learning
C.disabled
D.forwarding
E.listening


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1.多項選擇題

What can be determined from the line of show ip route output shown in the exhibit？（）

A.The next routing update can be expected in 35 seconds.
B.The IP address 10.10.10.6 is configured on S0/1.
C.The IP address 10.10.10.8 is configured on S0/1.
D.This route is using the default administrative distance.
E.The 10.10.10.8 network is two hops away from this router.

2.單項選擇題Which of these represents an IPv6 link-local address?（）

A.FE08::280e:611:a:f14f:3d69
B.FE81::280f:512b:e14f:3d69
C.FE80::380e:611a:e14f:3d69
D.FEFE:0345:5f1b::e14d:3d69

3.多項選擇題Which two statements about static NAT translations are true?（）

A.They are always present in the NAT table.
B.They allow connection to be initiated from the outside.
C.They can be configured with access lists, to allow two or more connections to be initiated from the outside.
D.They require no inside or outside interface markings because addresses are statically defined.


4.單項選擇題Which command shows your active Telnet connections？（）

A.show session
B.show cdp neighbors
C.show users
D.show queue

5.多項選擇題第二次體系架構的攻擊有哪些（）

A.MAC地址欺騙
B.STP操作
C.MAC地址表溢出
D.LAN風暴