1. What is the primary purpose for DWDM transport networks?
2. What does UPSR stand for and give a description?
3. What is a CLLI code and its use?
4. What is an OTDR and what is it used for?
5. What is the bandwidth of an OC-192?
6. What is the bandwidth of a T1?
7. What is the difference between ETSI and ANSI?
8. MAC addresses are the feature of ______________layer of the OSI model.