A.DLCI
B.BECN
C.LMI
D.FECN

A.display ip routing-table
B.display ospf lsa
C.display ospf database
D.display ospf interface

A.Send periodic updates regardless of topology changes.
B.Send entire routing table to all routers in the routing domain.
C.Use the shortest-path algorithm to the determine best path.
D.Update the routing table based on updates from their neighbors.
E.Maintain the topology of the entire network in its database.

A.1000BASE-CX
B.100BASE-FX
C.1000BASE-LX
D.1000BASE-SX
E.1000BASE-ZX

A.classful routing protocol
B.variable-length subnet masks
C.broadcast addressing
D.manual route summarization
E.uses SPF algorithm to compute path

A.WEP
B.CCKM
C.AES
D.TKIP
E.CCMP

A.ATM
B.IDS
C.IOS
D.IOX
E.IPS
F.SDM

A.ip route-static 129.1.0.016 serial 0
B.ip route-static 10.0.0.216129.1.0.0
C.ip route-static 129.1.0.01610.0.0.2
D.ip route-static 129.1.0.0255.255.0.010.0.0.2

A.It has the same maximum hop count as version 1
B.It uses broadcasts for its routing updates
C.It is a classless routing protocol
D.It has a lower default administrative distance than RIP version 1
E.It supports authentication
F.It does not send the subnet mask in updates

A.network all
B.neighbor
C.enable
D.network 10.0.0.0

A.节省网络带宽
B.防止网络中形成路由环路
C.将路由不可达信息在全网扩散
D.通知邻居路由器哪些路由是从其他处得到