单项选择题
In the Ethernet LAN, an algorithm was chosen to dynarnically adapt to the number of stations trying to send. It is called()
A.backward learning B.binary exponential backoff C.spanning tree D.CRC
单项选择题 栈S最多能容纳4个元素。现在6个元素按A、B、C、D、E、F的顺序进栈,下列哪一个序列不是可能的出栈序列?()
单项选择题 下列命题中哪个一定为真?()
单项选择题 计算机控制器的核心是()