A(n) investigation tracks all elements of an attack, including how the attack began, what intermediate devices were used during the attack, and who was attacked.

The open systems interconnection (osi) reference model: defines standards for many aspects of computing and communications within a network. is a generic description for how computers use multiple layers of protocol rules to communicate across a network. defines standards for wireless local area network (wlan) communication protocols. details the advantages and disadvantages of various basic network cabling options.