A.enable cdpB.cdp enableC.cdp runD.run cdpWhich command……

单项选择题Refer to the exhibit.Based on the exhibited routing table,how will packets from a host within the 192.168.10.192 26 LAN be forwarded to 192.168.10.1?（）

A.TherouterwillforwardpacketsfromR3toR2toR1
B.TherouterwillforwardpacketsfromR3toR1
C.TherouterwillforwardpacketsfromR3toR1toR2
D.TherouterwillforwardpacketsfromR3toR2toR1ANDfromR3toR1

多项选择题Which characteristics are representative of a link-state routing protocol?（）

A.provides common view of entire topology
B.exchanges routing tables with neighbors
C.calculates shortest path
D.utilizes event-triggered updates
E.utilizes frequent periodic updates

单项选择题What is the default administrative distance of OSPF?（）

A.120
B.100
C.90
D.110

单项选择题Refer to the exhibit. A network administrator configures a new router and enters the copy startup-config running-config on the router. The network administrator powers down the router and sets it up at a remote location. When the router starts, it enter the system configuration dialog as shown. What is the caust of the problem?（）

A.The network administrator faled to save the configuration.
B.The configuration register is set to 0x2100.
C.The boot system flash command is missing from the configuration.
D.The configuraiton register is set to 0x2102.
E.The router is configured with the boot system startup command.

多项选择题Which statements describe the routing protocol OSPF?（）

A.It supports VLSM.
B.It is used to route between autonomous systems.
C.It confines network instability to one area of the network.
D.It increases routing overhead on the network.
E.It allows extensive control of routing updates.
F.It is simpler to configure than RIP v2.