CompTIA Network+® Study Guide

16.9. Review Questions

1. Which of the following is not a WAN protocol or technology?

   1. ATM

   2. ISDN

   3. MPLS

   4. RIP

2. What OSI model layers do WAN protocols operate in?

   1. Layer 6, Layer 4, Layer 2

   2. Transport, Data Link, Network

   3. Physical, Data Link, Network

   4. Application, Data Link, Network

3. If you have a device in a telecommunications closet owned and installed by the telecommunications company (telco), and it's your responsibility to cable from this box to the CPE, which term should you use to refer to the device?

   1. Customer premises equipment

   2. Demarcation point

   3. Toll network

   4. Central office

4. You have an E-1. How many DS0's are used in this point-to-point connection?

   1. 24

   2. 25

   3. 30

   4. 32

5. Where does the local exchange carrier responsibility end and your responsibility begin on a WAN link?

   1. POP

   2. Central ...