A(n) occurs when a visitor requests a page from a web site.'

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.

Which of the following is not a source of sustainable raw materials? a) coal mine b) flick of sheep c) cotton plantation d) line forest.

Selling a product through an electronic medium is