更多"[简答题]Although in many ways robots a"的相关试题:
[判断题]robots.txt文件只能有一条User-agent记录。
A.正确
B.错误
[判断题]网站通过robots.txt文件可以限定网络爬虫的访问范围。
A.正确
B.错误
[单选题]下列符号中,用于注释robots.txt文件的记录的是()。
A./
B.//
C.*
D.#
[单选题]下列选项中,用于在robots.txt文件中描述搜索引擎名字的是()。
A.User-agent
B.Disallow
C.Allow
D.accept
[填空题]robots.txt文件必须放置在一个站点的( )目录下,且文件名必须全部小写。
[判断题]如果网站中没有robots.txt文件,那么所有的网络爬虫都能访问网站上所有没有被口令保护的页面。
A.正确
B.错误
[填空题]robots.txt文件是( )访问网站时要查看的第一个文件,它会限定网络爬虫的访问范围。
[判断题]如果网站中存在robots.txt文件,那么网络爬虫会按照该文件的内容确定访问的范围。
填空题
A.正确
B.错误
[单选题]Many teenagers think know them better than their parents.
A.
friends
B.
parents
C.
brothers and sisters
D.
family member
[简答题]The report says that many small businesses have failed in their first .year of (operate)____.(5.0)
[单选题] How many school activities are there in October?
A. Two.
B. Three.
C. Four.
D. Five.
[填空题] His latest two novels have many things ( ) common.
[填空题] Many books are( ) the bookcase.
[填空题] Many students do homework ( )_ pens
[简答题]Patients can be treated in many (difference)____settings with various approaches.(5.0)
[填空题] Many people say they can no longer put up ( )__ her bad temper (脾气).
[单选题] 为了避免遇到Too many connections错误,可以通过( )来实现。
A.定时重启MySQL服务
B.加大max_connections的值
C.升级服务器硬件配置
D.升级软件版本