15.a. Who is responsible for maintaining and repairing lightwave equipment in a dark fiber lease? A. Carrier B. Lessor C. Both lessor and lessee D. Lessee 15.b. What should the PMD value be in a 10...

15.a. Who is responsible for maintaining and repairing lightwave equipment in a dark fiber lease?
A. Carrier
B. Lessor
C. Both lessor and lessee
D. Lessee
15.b. What should the PMD value be in a 10 Gbps fiber link?
A. Exactly 10 ps
B. Less than 7 ps
C. Greater than 7 ps
D. Exactly 7 ps