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发表于 2015-2-2 08:18:52
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正在看这份题库,对第47题有疑问:1 _! Q) R- S% k/ o- m& a* \' s: }
QUESTION 47
# v3 Q) P& f; I5 B% i' eA network engineer is configuring a routed interface to forward broadcasts of UDP 69, 53, and 49 to& J, W7 \3 r- N6 L; A. n L* M
172.20.14.225. Which command should be applied to the configuration to allow this?4 t" @) V- x, p& Q8 l: u& t+ \
A. router(config-if)#ip helper-address 172.20.14.2250 X# w! ?3 e* ]/ m" o/ d. J0 _
B. router(config-if)#udp helper-address 172.20.14.225
4 h/ v4 L( Q8 J# u2 a7 a% ^C. router(config-if)#ip udp helper-address 172.20.14.225
) h. q3 D, P" [- c0 e3 q0 F4 BD. router(config-if)#ip helper-address 172.20.14.225 69 53 49
* Q. w# _7 D r5 |( S1 VCorrect Answer: AC
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+ R" i& @# } b$ k这道题应该是单选吧,为什么有两个答案?我查了一下,觉得正确答案应该是A。请高人指点。谢谢! |
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2015-2-2 08:18:52
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