I guess the answer in the blank is Column Heading.
A column letter above the grid, also called the column heading, identifies each column.
A(n) access point is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub.
<h3>What is an access point?</h3>
An access point is known to be a kind of device that makes a wireless local area network, or WLAN, and it is often done in an office or big building.
Therefore, A(n) access point is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub.
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That answer would be internet explorer
Explanation:
A map is the correct answer hope that helps you.