某单位IP地址需求数如下表所示,给定地址 192.168.1.0/24 ,按照可变长子网掩码的设计思想,部门 3 的子网掩码为( )。
本题考的VISM可变长子网掩码问题,首先192.168.1.0/24分两个子网,1个给部门1用,另外一个继续划分2个子网,一个给部门2用,剩下的一个继续划分子网,1个给部门3用,剩下的还继续划分子网,给部门4、5用,那么部门3的掩码是255.255.255.224。
( )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( )。