【单选题】【消耗次数：1】
交换机不具有下面哪项功能？
①
转发过滤
②
回路避免
③
路由转发
④
地址学习
参考答案：
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【简答题】
交换机根据[填空]表中的信息，再将帧转发到相应的端口。
【单选题】
按照应用规模分类，局域网交换机可以分为桌面交换机、工作组级交换机、部门级交换机和企业级交换机，其中( )是功能最强的交换机，在企业网络中作为骨干设备使用。
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④
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随机题目
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Which sentence is correct?
①
Hurrying to the classroom, no one was there.
②
Hurrying to the classroom, she saw nobody there.
【单选题】
Ill visit you whenever I will get the chance. Identify the mistake in the sentence.
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visit
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until
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She happily deposits the money she has earned teaching English in her savings account. Find any misplaced modifier in the sentence
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happily
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since
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unless
【单选题】
There were some chairs left over[] everyone had sat down.
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when
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These candidates have vague notions of serving the company, [] they have never taken trouble to find out the actual tasks they will be required to do.
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or
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but
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Which sentence is correct?
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On entering the classroom, the students stood up and said, Good morning!
②
On entering the classroom, the teacher was greeted by the students with Good morning!