流域面积（watershed area；catchment area）

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第1题：

VBA中用实际参数a和b调用有参数Area(m, n)的正确形式是( )。

A．Area m, n

B．Area a, b

C．Call Area (m, n)

D．Call Area a, b

正确答案：B
解析：本题考查VBA中子过程的调用。子过程的调用形式有两种： Call子过程名([<实参>])和子过程名[<实参>)。调用时只能使用实参，显然选项A和选项C是不对的；使用 Call关键字时，必须使用圆括号将实参括起来。答案为B。

第2题：

What does a router do?()

A.Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)

B.Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)

C.Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)

D.Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)

参考答案：A

第3题：

VBA中用实际参数a和b调用有参过程Area(m ,n)的正确形式是______.

A．Area m ,n

B．Area a ,b

C．Call Area (m ,n)

D．Call Area a ,b

正确答案：B
解析：含参数的过程被调用时，主调过程中的调用式必须提供相应的实参(实际参数的简称)，并通过实参向形参传递的方式完成过程调用。而Call方法调用函数时，必须要带括号。

第4题：

Refer to the exhibit. What is the effect of the OSPF configuration on router B?()

A. All interfaces will be in area 0

B. The router will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 1

C. The route r will be an ABR with s1/0 in area 0 and f0/0 and 0/1 in area 2

D. The router will be an ABR with s1/0 in area 0, f0/0 in area 1, and f0/1 in area 2

参考答案：D

第5题：

Refer to the exhibit. Will redistribute d RIP routes from OSPF Area 2 be allowed in Area 1? ()

A. RIP routes will be allowed in Area 1 only if they are first redistributed into EIGRP.

B. Because NSSA will discard type 7 LSAs, redistributed RIP routes will not be allowed in Area 1.

C. Redistrib uted RIP routes will be allowed in Area 1 because they will be changed into type 5 LSAs in Area 0 and passed on into Area 1.

D. Redistributed RIP routes will be allowed in Area 1 because they will be changed into type 7 LSAs in Area 0 and passed on into Area 1.

E. Because Area 1 is an NSSA, redistributed RIP routes will not be allowed.

参考答案：E

第6题：

VBA中用实际参数a和b调用Area(m，n)的正确形式是( )。

A．Area m，n

B．Area a，b

C．Call Area(m，n)

D．Call Area a，b

正确答案：D
解析：本题考查VB人中子过程的调用。子过程的调用形式有两种：Call子过程名([实参＞])和子过程名[实参＞)。调用时只能使用实参，显然选项A和选项C是不对的；使用Call关键字时，必须使用圆括号将实参括起来，所以选项D也不对。

第7题：

Refer to the exhibit. What additional commands should be used to configure OSPF area 5 as a Totally Stubby area? ()

A. area 0 stub o n routers R4 and R5

B. area 5 stub on routers R4 and R5

C. area 5 stub no - summary on routers R4 and R5

D. area 0 stub no - summary on router R4 and area 5 stub no - summary on router R5

E. area 5 stub no - summary on router R4 and area 5 stub on router R5

参考答案：E

第8题：

在OSPF协议中,核心的Area为()。

A.Area0

B.Area1

C.Area2

D.自定义

答案A

第9题：

To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）

A. Apply the area 4 stub command to all routers in the area

B. On the ABR, use the area 4 stub command with the no - summary keyword

C. On the ABR, specify a default cost for the area with the area default - cost command

D. On the ABR, use the default - information originate command to inject a default route into area 4

E. Use the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas

参考答案：A, B

第10题：

Refer to the diagram. Which OSPF configuration command is required to configure Area 3 a s atotally stubby area?()

A. On the ABR router ospf 10 area 3 stub

B. On all Area 3 routers router ospf 10 area 3 stub

C. On all Area 3 routers router ospf 10 area 3 stub no - summary

D. On the ABR router ospf 10 area 3 nssa

E. On the ABR rou ter ospf 10 area 3 stub no - summary

参考答案：E

流域面积（watershed area；catchment area）

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