CCNA考试题库中英文翻译版及答案2

4. Refer to the exhibit. How many broadcast domains exist in the exhibited topology?

　　根据下图，图中的拓扑中存在多少个广播域?

　　

　　A. one　　A.1

　　B. two　　B.2

　　C. three　　C.3

　　D. four　　D.4

　　E. five　　E.5

　　F. six　　F.6

　　Answer: C

5. Refer to the exhibit. What two facts can be determined from the WLAN diagram? (Choose two.)

　　5.根据下图，WLAN diagram决定了哪两个事实

　　

　　A. The area of overlap of the two cells represents a basic service set (BSS).

　　A. 两个 cells的overlap的区域描述了一个basic service set

　　B. The network diagram represents an extended service set (ESS).

　　B. 网络描述了一个extended service set

　　C. Access points in each cell must be configured to use channel 1.

　　C. 再每个CELL中的AP必须被配置成使用channel 1

　　D. The area of overlap must be less than 10% of the area to ensure connectivity.

　　D. 为了确保连通性,重叠区域必须小于10%

　　E. The two APs should be configured to operate on different channels.

　　E. 两个访问点应该被配置成工作在不同的频道

　　Answer: BE