1. Though the Telecommunications Act of 1996 allowed for competition in the local-exchange markets, the inability of end users to retain their current telephone numbers when changing service was a severe obstacle for competitive providers.

2. In an attitude of fairness, the FCC mandated that number portability be implemented at the same time as RBOCs are entering the long-distance market.

3. Which of the following has not been identified by the government as a basic type of number portability?

4. Historically, all ________________ in one NPA–NXX were assigned to a single telephone switch.

5. Which of the following is not one of the seven basic components required to deploy LNP?

6. In order to implement number portability, a wireless provider’s MSC(s) must be able to process calls destined to ported subscribers.

7. In addition to the MSC switching software modifications, wireless providers must ensure that __________ routing is supported from the switch.

8. The FCC rejected NANC’s recommendation that the carrier in the call routing process immediately preceding the terminating carrier (the N-1 carrier) be responsible for ensuring the database queries are performed.

9. _________________ is the ability to share an NPA–NXX among several facilities-based carriers within the same rate center with the intent of prolonging the life of an NPA by reducing the demand for new NXXs.

10. This tutorial cites the opportunities created by number portability as enormous, with more than $100 billion in revenues at stake.