使用IEEE 802.1q协议,最多可以配置( )个VLAN。
IEEE 802.1Q是VLAN中继协议的国际标准, IEEE 802.1Q会在数据帧准备通过干道的时候对数据帧的帧头进行编辑,在数据帧的头上放置单一的标识,以标识数据帧来自哪个VLAN。当数据帧离开干道时,标识被去除。IEEE 802.1Q的标式字段占12位,支持4096VLAN的识别,但0用于识别帧的优先级,4095作为预留值,所以最大的VLAN最大可能值为4094。
( )is the process of transforming information so it is unintelligible to anyone but the intended recipient.
As each application module is completed,it undergoes( )to ensure that it operates correctly and reliably.
( )algorithm specifies the way to arrange data in a particular order.
After analyzing the source code,( )generates machine instructions that will carry out the meaning of the program at a later time.
( )can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
浏览器开启无痕浏览模式后,( )依然会被保存下来。
下列协议中,不属于TCP/IP协议簇的是( )。
下列传输介质中,带宽最宽、抗干扰能力最强的是( )。
数控编程常需要用参数来描述需要加工的零件的图形。在平面坐标系内,确定一个点需要2个独立的参数,确定一个正方形需要( )个独立的参数。
某书的页码为1,2,3,...,共用数字900个(一个多位数页码包含多个数字),据此可以推断,该书最大的页码为( )。