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【多选题】
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB 该网络已经正确配置了IP 地址和路由,目前网络中HostA 可以和HostB 实现互通。出于某种安全考虑,客户 要求HostB 不能ping 通HostA,但同时HostA 可以ping 通HostB,且HostA 与HostB 之间的其他报文传递不 受限制,那么如下哪些说法是正确的?(多选)A.
仅在MSR-1 上配置ACL 无法实现此需求
B.
仅在MSR-2 上配置ACL 无法实现此需求
C.
仅在MSR-1 上配置ACL 就可以实现此需求
D.
仅在MSR-2 上配置ACL 就可以实现此需求
E.
使用ping 命令主机之间的ICMP 报双向的,这个单项互通的需求无法实现
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】实验过程中小范围起火时,下列做法正确的是
A.
立即用湿石棉布或湿抹布扑灭明火
B.
立即拔电源插头，切断电源
C.
及时关闭总电闸、煤气阀
D.
有机物着火时，可用水灭火
【判断题】What does knowing a word involve? Knowing a word means knowing its pronunciation and stress; Knowing a word means knowing its spelling and grammatical properties; Knowing a word means knowing its orig...
A.
正确
B.
错误
【判断题】What does knowing a word involve?Knowing a word means knowing its pronunciation and stress;Knowing a word means knowing its spelling and grammatical properties;Knowing a word means knowing its ts orig...
A.
正确
B.
错误
【简答题】What does knowing a word involve? Knowing a word means knowing its _____ and _____ ; Knowing a word means knowing its _____ and _____ ; Knowing a word means knowing its _____ ;
【简答题】What does knowing a word involve?Knowing a word means knowing its_____ and _____;Knowing a word means knowing its _____ and _____;Knowing a word means knowing its _____;
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