关于OSPF的习题请教

这里有几道关于OSPF的练习题，请大家帮忙给个正确答案。我做过，但是不知道对不对。
1．

Refer to the exhibit. Which network command or set of commands will cause OSPF to be enabled for any R1 interface connected to the exhibited subnets?

 

A．
R1(config-router)# network 10.0.0.0 0.0.0.0 area 0

 

 

B．
R1(config-router)# network 10.1.0.0 0.0.0.255 area 0
R1(config-router)# network 10.1.1.0 0.0.0.255 area 0
R1(config-router)# network 10.1.2.4 0.0.0.3 area 0

 

 

C．
R1(config-router)# network 10.1.0.0 0.0.0.255 area 0
R1(config-router)# network 10.2.0.0 0.0.0.255 area 0

 

 

D．
R1(config-router)# network 10.0.0.0 0.0.255.255 area 0

 

 

 

 

 

 

 

 

2．

 

 

 

 

 

Refer to the exhibit. Router A is correctly configured for OSPF. Which OSPF configuration statement or set of statements was entered for router B to generate the exhibited routing table?

 

A．B(config-router)# network 192.168.1.0 0.0.0.3 area 0
B．
B(config-router)# network 10.16.1.0 0.0.0.224 area 0
C．
B(config-router)# network 10.16.1.0 255.255.255.224 area 0
D．
B(config-router)# network 192.168.1.0 255.255.255.255 area 0
B(config-router)# network 10.0.0.0 255.255.255.255 area 0

3．What does OSPF use to calculate the cost to a destination network?

A．bandwidth
B．bandwidth and hop count
C. bandwidth and reliability
D．bandwidth, load, and reliablity

 

捷盈讲师及学员解答：

1、B
2、A
3、A