MIS589 Week 5 Test Your Knowledge; QUIZ(v1)

1. Question: (TCO C) _____ are companies that build a data and telecommunications infrastructure from which other companies can lease services for WANs and MANs. 2. Question: (TCO C) A _____ are devices that permit a user to connect to a digital T-carrier service. 3. Question: (TCO C) _____ are dedicated digital circuits that are the most commonly used form of dedicated circuit services in North America today. 4. Question: (TCO C) OC-3072 has a data rate of 5. Question: (TCO C) Which of the following is a primary advantage of a VPN? 6. Question: (TCO C) The performance of WANs can be improved by 7. Question: (TCO C) The height of a sound wave is called its 8. Question: (TCO C) Dynamic routing 9. Question: (TCO C) Which of the following is not a key issue to be considered when selecting a WAN service? 10. Question: (TCO C) Most IP services use _____ as the data link layer protocol. 11. Question: (TCO D) At the top of the Internet structure are tier 1 _____, such as AT&T and Sprint. 12. Question: (TCO D) A _____ is the place at which the ISP provides services to its customers. 13. Question: (TCO D) A _____ is used by ISPs to authenticate its customers. 14. Question: (TCO D) Technologies that provide higher speed communications than traditional modems (e.g., DSL) are known as _____ technologies. 15. Question: (TCO D) Most WiMAX providers in the U.S. are using an effective data range of 16. Question: (TCO D) A digital service offered by cable companies is the 17. Question: (TCO D) A(n) _____ is used to connect a fiber optic cable from the cable TV company side to a coaxial cable on the customer side. 18. Question: (TCO D) The closest the Internet has to an owning organization is the 19. Question: (TCO D) The _____ is a large open international community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and smooth operation of the Internet. 20. Question: (TCO D) Internet2® is an organization of about _____ universities, corporations, government agencies, and organizations.