【单选题】表明毛泽东思想已经形成比较完整的理论体系的著作有( ) 1《论持久战》 2《新民主主义论》 3《论联合政府》 4《中国社会各阶级分析》
【单选题】以太网原理方面的描述,错误的是()。
A.
Ethernet_II型帧结构中,使用2个字节来标识净荷类型,如果业务数据是IP报文,则该值为0x0800;
C.
包间隙的长度是可变的,以太网的净荷速率就是靠改变包间隙来调节的;
D.
100M端口满流量发送数据时,其128字节最高帧转发速率为100M/8/(128+12)。
【简答题】以太网V2的数据字段就是LLC子层交下来的LLC帧,其长度是可变的,但最长为()字节。
【单选题】What are me most popular ESP courses in Britain?
B.
Courses for businessmen.
C.
Courses for reporters.
【单选题】According to the talk, what are core courses?
A.
They are the important courses students must take.
B.
They are the basic courses students need to take.
C.
They are elective courses students do not have to take for graduation.
D.
They are required courses students have to take so as to graduate.
【单选题】下列关于免疫学测定细胞因子,哪项是正确的
【简答题】在预热干燥阶段,蒸发速度随表面温度升高而( )。
【判断题】以太网V2的数据字段就是LLC子层交下来的LLC帧,其长度是可变的,但最短为53字节,最长为1500字节。
【单选题】以太网帧的长度是可变的,其长度为()字节
【单选题】What courses require previous qualifications?
B.
The vocational courses.
C.
A level or diploma courses.
D.
The majority of courses.