问题题干答案解析相关问题热门问题最新问题

问题详情

当数据分组从高层向低层传送时，数据分组的头部要被：

A、加上

B、修改

C、去掉

D、重新处置

时间：2021-09-01 20:44 关键词：联大河南理工大学计算机科学与技术_计算机网络

答案解析

A

相关问题

You should _______________ to one or more weekly magazines such as Time or Newsweek.
_____ed ucation is the instruction that occurs when the instructor and studen t s are separated by distance or time,or both.
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
Basically a robot is a machine which moves, manipulates, joins or processes _____in the same way as human hand or arm.