问题
单项选择题
如果一个接入交换机有24个10/100Mbps端口,那么上联带宽可以控制在()。
A.50Mbps
B.100Mbps
C.120Mbps
D.200Mbps
答案
参考答案:D
解析:
根据实际经验,层次之间的上联带宽与下一级带宽之比一般控制在1:20,因此,24*100*20=120Mbps,留有一定余量后,一般定为200Mbps,故选D)。
如果一个接入交换机有24个10/100Mbps端口,那么上联带宽可以控制在()。
A.50Mbps
B.100Mbps
C.120Mbps
D.200Mbps
参考答案:D
解析:
根据实际经验,层次之间的上联带宽与下一级带宽之比一般控制在1:20,因此,24*100*20=120Mbps,留有一定余量后,一般定为200Mbps,故选D)。
I hadn’t even got a chance to enter the store before an African American woman approached me and asked if I would help her return an item. The item she has ___ __ was intended for her daughter, but she had already received a similar one. The lady ___ __ to exchange the item for something else in the store but she was told she needed an ID or the deal could not take place. I went to the __ __ with the woman so we could use my ID. The sales associate immediately started ___ ___ her of asking the first random person she saw to help her. Although that was true , I didn’t understand why it mattered. After all, not everyone is given the opportunity to __ __ an ID in this country. Then, we asked to speak with a manager, who explained that there was no way to return the item without a receipt and then went on to say the woman could not ___ ___ she purchased the item. “If I , a young white female, were to enter the store and request you to make an exchange without a receipt, I would not be ___ __ the privilege--- as I have proof from the past.” I said. He must have realized at that moment what he had done, because he ___ __ to exchange the item. There are many valuable lessons in the story. The first is to help a stranger in need. I hesitated when the woman asked for my help, but ___ ___ in my hand I asked myself, “ Why not? What valid reasons do I usually have?” I had none, so I helped her. The second lesson is not to judge a book by its cover. The woman looked poor, but she ___ __ the same treatment as anyone else does.
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