Which is an example of line-of-sight internet service?
cable
dsl
fiber
wimax

The answer is WiMAX.

Wimax is a wireless, data communication technology. It means, Worldwide Interoperability for Microwave Access. It is considered as line of sight service provider because it can transmit data between distant devices and using stronger connections. Since it supports stronger signal, it is considered as line of sight provider. It can transfer up to 66GHz amount of frequency or signal rate.

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.