All 802.11 standards use signaling, meaning a wireless station can only transmit or receive, but cannot do both simultaneously.

The answer that best fits the blank would be the term HALF-DUPLEX. Half-duplex in all 802.11 standards, is being used in signaling, which means that a wireless station can channel or also receive, but cannot be done all at once. 

Why im i -98 points? ! this app is rigged

You have several options when you want to enter data manually in excel. you can enter data in one cell, in several cells at the same time, or on more than one worksheet at the same time. the data that you enter can be numbers, text, dates, or times. you can format the data in a variety of ways. and, there are several settings that you can adjust to make data entry easier for you.