Investigators are combing the site of an explosion with mesh screens to collect evidence. The explosion was very large, leaving very little evidence behind. The investigators think that they have collected a part of the original explosive. What tool could they then use to confirm this find?

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.