搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在服务器常规选项窗口，可以设置的项目包括( )。

A．最大上传速度和最大下载速度、最大用户数量

B．检查匿名用户密码、删除部分已上传的文件

C．禁用反超时调度以及拦截FTP_BOUNCE攻击

D．A，B，C全是

答案

参考答案：D

解析： 在服务器常规选项窗口，可以设置如下项目： 最大上传速度和最大下载速度：这里最大上传速度和最大下载速度是指整个FTP服务器占用的带宽。默认情况使用所有可用带宽； 最大用户数量：最大用户数量是指同时在线的最大用户数量 检查匿名用户密码：若选择此项，使用匿名用户登录服务器时要用电子邮件作为登录密码； 删除部分已上传的文件：若选择此项，部分上传的文件会被服务器自动删除； 禁用反超时调度：若选择此项，会阻止FTP客户端的反超时机制； 拦截FTP-BONCE攻击和FXP：若选择此项，只允许在FTP客户端和服务器之间进行文件传输，而不允许在两个FTP服务器问进行文件传输，以防止FFP-BONCE的攻击。

完形填空
完形填空。

     In the Tang Dynasty (朝代), there was a famous poet    1    name was Li Bai. He was born in a poor
family. And he died     2   1762 AD. When he was young, he didn't like reading.
     Once, he saw an old woman    3    an iron pestle (杵) when he was    4    from the school. Li Bai was
very    5   . He asked    6    that for?
     The old woman said she would grind the iron pestle into a needle (针). Li Bai    7   , "The pestle is so
thick, and when can it be ground down to a needle?" The old woman smiled , "My boy, where there is will,
there is a way!" The pestle is thick, but if I grind it every day, it can be ground down into a needle    8    .
Am I right?"
     Li Bai thought to him self, "what she said is right. Nothing in the world is    9    if I set my mind in it.
It is all the same to the study. If I put my heart into it, can't I study well?"
     Li Bai understand the truth. After that, he studied diligently (勤奋). At last he became a famous poet,
and    10    a good name for more than a thousand years.

( )1. A.who              
( )2. A.in               
( )3. A.grind            
( )4. A.on his way home  
( )5. A.surprise         
( )6. A.what she was doing
( )7. A.stopped          
( )8. A.in the end       
( )9. A.easy to          
( )10. A.left             		B.whose            
B.on                  
B.ground             
B.on his way to home 
B.surprised         
B.why she was doing  
B.wondered           
B.at the end of     
B.hard to me         
B.gave              		C.that              
C.at                   
C.drinding         
C. in his way to home 
C.surprising        
C.what was she doing  
C.liked               
C.by the end          
C.easy for me         
C.showed             		D.which            
D.of               
D.grinds           
D.in his way home  
D.surprises          
D.why was she doing
D.played             
D.to the end       
D.hard for me      
D.put            
查看答案
单项选择题

已知某钢材试件拉断后标距部分长度为300mm，原标距长度为200mm，则该试件伸长率为（）。

A.150% 

B.50% 

C.66.7% 

D.33.3%
查看答案