Students should be able to compare and contrast the common types of communication links (e.g. modem dialup or cable modem, leased line, broadband and wireless, etc.) for Internet access in terms of data transfer rate, cost, and reliability.

• 5学生应能就数据传送速率、成本及可靠程度等方面去比较及对比常用通讯连路种类，例如数据机拨接、电缆数据机、专线、宽带及无线等。