多项选择题 SCSI interfaces provide for faster data transmission rates (up to 80 megabytes per second) than standard serial and parallel ports. In addition, you can attach many devices to a single SCSI port, so that SCSI is really an I/O bus rather than simply an interface Which two statements about SCSI are true?（）

多项选择题 Which three of these are major scaling, sizing, and performance considerations for an IPsec design?（）

单项选择题 Scalability is provided in the server farm module by which of the following design strategies?（）