16. All of the following are examples of removal storage devices, EXCEPT a, hard disk drive b. DVD c. CD-ROM d. USB drive 17. Which of the following is an advantage of wired connections? a. More secure b. More dependable C. Faster speeds d. All of the abave 18. The Internet is the world's largest WAN a. True b. False 19. Networks can be classified according to their size and geographic scope. a. True b. False 20. Which type of network networks, which might use different computer platforms and network technologies? covers a large geographical area and usually consists of several small PAN LAN WAN VPN a. b. d