若操作系统文件管理程序正在将修改后的()文件写回磁盘时系统发生崩溃,对系统的影响相对较大。
A、用户数据
B、用户程序
C、系统目录
D、空闲块管理
Information theory is related to the quantification of information. This was developed by Claude E. Shannon to who found fundamental limits on ( ) operations such as compressing data and on reliably storing and communicating data.
A、signal
B、data
C、information
D、signal processing
将x+y*z中的“+”用成员函数重载,“*”用友元函数重载应写为( )。
A、operator+(operator*(y,z))
B、x.operator+(operator*(y,z))
C、x.operator+(x*(y,z))
D、x+(operator*(y,z))
Which two statements are true when configuring a domain-id? ()
AThe default OSPF domain-id is 127.0.0.1.
BIn most cases, a domain-id must be configured.
CIn most cases, you do not need to configure a domain-id.
DFor a layer 3 VPN connecting multiple OSPF domains, configuring a domain-id can help control LSA translations.
静脉胆道造影选用()
A、亚甲蓝
B、胆影葡胺
C、碘化钠
D、碘油
E、碘番酸
下列属于复习的外部手段的是()。
A、做笔记
B、做读书卡片
C、标记重点内容
D、听说读写相结合