Mapping ssids and vlans - Study guides, Class notes & Summaries

OSI • L1 o electrical, mechanical, procedural, and functional specifications for activating, maintaining, and deactivating the physical link between devices. o encoding, voltage levels, timing of voltage changes, physical data rates, maximum transmission distances, physical connectors, and other attributes. • L2 o formatting, o accessing physical media, o error detection & correction FCS • L3 o path selection o logical addressing, • L4 o segmenting & reassembin...

CWNA Study Question and Answers 100% correct An RF wave is weaker after traveling through some material in its path, what is the term used to describe what happened as the RF wave passed through the material? You must select 1 answer A. Reflection B. Refraction C. Scattering D. Absorption Correct Answer is:D Absorption occurs when an RF wave travels through a material that converts the RF wave energy to heat as it passes through. Some of the RF wave energy is lost and some of it passes t...