ID:8141-2589 (翻译) 1、Microsoft networks that are built with Active Directory can help you when you meet these challenges. 2、The original virus tried to hide its own code in an area of 1.2MB diskettes that resulted in corruption of the entire diskette. 3、These include inventing higher-level languages or more powerful languages, inventing utility programs that assist programmers, and inventing new methods of programming. 4、LANs usually contain resources such as servers, printers, and connections to other networks through internetworking devices such as switches and routers