MIS589 Week 5 Test Your Knowledge; Quiz(v2)

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