there are many different ways to ensure search engine optimization. select the three that are included in the list below. multiple answers

ask visitors to bookmark your site

use keywords in flash or javascript directed text.

include as many pictures and video as possible.

include a < meta > tag in your header.

use your keywords when writing descriptions of hyperlinks.

What is wi-fi infrastructure? a metropolitan area network that uses radio signals to transmit and receive data a communications technology aimed at providing high-speed wireless data over metropolitan area networks a means by which portable devices can connect wirelessly to a local area network, using access points that send and receive data via radio waves includes the inner workings of a wi-fi service or utility, including the signal transmitters, towers, or poles and additional equipment required to send out a wi-fi signal