16) The least expensive form of Internet connection is usually O cable O DSL O FTTH O dial- up Next Question Solution 16. least expensive and lowest form of internet connection is usually dial up 18. Ans: Princeton By December 5, 1969 the ARPANET consisted of four nodesOffsite Link: 1. University of California, Los Angeles (UCLA), where Leonard Kleinrock had established a Network Measurement Center. 2. The Stanford Research Institute\'s Augmentation Research Center, where Douglas Engelbart had created the ground-breaking NLS system, a very important early hypertext system. 3. University of California, Santa Barbara (UCSB), Culler-Fried Interactive Mathematics Center. 4. The University of Utah\'s Computer Science Department, where Ivan Sutherland had moved. 19. They decrease system performance 20. Cyberstalking is the use of the Internet or other electronic means to stalk or harass an individual, a group, or an organization.