A.分组层
B.数据链路层
C.物理层
D.传输层
E.网络层

A.buffering
B.cut-through
C.windowing
D.congestion avoidance
E.load balancing

A.IPCP
B.LCP
C.IPXCP
D.SNA

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