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【单选题】
关于域名和 IP 说法正确的是:( )
A.
一台计算机只能拥有一个 IP 和一个域名
B.
一台计算机可以拥有多个 IP 和一个域名
C.
一台计算机只能拥有一个 IP 和多个域名
D.
一台计算机可以拥有多个 IP 和多个域名
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【简答题】局域网中使用的传输介质有双绞线、同轴电缆和光纤等。10BASE-T采用3类UTP,规定从收发端到有源集线器的距离不超过()米。
【简答题】Read the passage and answer the following questions: Food and Beverage Department The Food and Beverage Department, commonly referred to as the F&B Department, is one of the most important divisions i...
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【单选题】The hotel's manager promises that they will provide an excellent _______.
A.
experience
B.
service
C.
choice
D.
advice
【单选题】The following are all included in the hotel's package EXCEPT the service of______.
A.
a good wine
B.
a bunch of flowers
C.
a special dinner
D.
a free concert
【单选题】局域网中使用的传输介质有双绞线、同轴电缆和光纤等。10BASE-T采用3类UTP,规定从收发端到有源集线器的距离不超过( )米。
A.
100
B.
185
C.
300
D.
1000
【单选题】The following are all included in the hotel's package except the service of ______.
A.
a good wine
B.
a bunch of flowers
C.
a special dinner
D.
a free concert
【单选题】p{ margin-top:20px;} 表示的含义是
A.
段落的上边框到它上面的其他元素的下边框的距离是20px;
B.
段落的上边框到它的内容之间距离是20px;
C.
段落的上边框到它的x下边框之间距离是20px;
D.
段落的上边框到它上面的其他元素的上边框的距离是20px;
【单选题】局域网中使用的传输介质有双绞线、同轴电缆和光纤等。10BASE-T采用3类UTP,规定从收发器到有源集线器的距离不超过( )m。
A.
100
B.
185
C.
300
D.
1000
【单选题】与 .box{margin:20px 10px;margin-right:20px;margin-top:10px;} 效果等同的是( )
A.
.box { margin:10px 20px; }
B.
.box { margin:10px 20px 0px 0px; }
C.
.box { margin:10px 20px 20px 10px; }
D.
.box { margin:20px 10px 20px 10px; }
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