单项选择题 Which of the following is the term used to describe the aggregation of multiple components to formone logical component?（）

单项选择题 When installing a wireless network in a large area, which of the following is the FIRST thing thatshould be considered when trying to get the MOST coverage?（）

多项选择题 Which of the following routing protocols are unable to advertise CIDR networks?（） (Select TWO)