[&] What is the primary purpose of a computer network? (Select the best answer) - To supply your home with electricity - To provide an assembly-line upon which computers can be manufactured. - To allow computing devices such as laptops, PCs and tablets to exchange data with each other. -- Correct - To greet people face-to-face for the purposes of introductions and potential job contacts. [&] In a computer network, which of the following devices would be considered a "node"? (Select the best answer) - A router - A network-connected tablet - All of these answers are correct -- Correct - A network-connected laptop - None of these answers are correct - A network-connected printer [&] Which of the following answers correctly distinguishes a LAN from a WAN? (Select two answers) - All of the resources of a LAN (cables, networking gear, etc) are typically owned and managed by the company using that LAN -- Correct - The services of a WAN, its associated cabling and WAN network devices are typically leased/rented from a WAN service provider -- Correct - The services of a LAN, its associated cabling and LAN network devices are typically leased/rented from a LAN service provider - LAN = Local Access Network // WAN = Wide Access Network - LAN = Limited Access Network // WAN = Wide Access Network - All of the resources of a WAN (cables, networking gear, etc) are typically owned and managed by the company using that WAN [&] In a business or school that uses a computer network, if all of the servers containing the critical computer files are located in one, secure, central area we typically call that area a \_\_\_\_\_\_. (Select the best answer) - Security Room - Data Center -- Correct - Storage Center - Infrastructure Center