Which router has the su 10.5.10.0/24 [20/115] entry pointing to NullO in its routing table and why? (Choose two.)
A. CE5
B. PE5
C. PE6
D. The router is summarizing 10.5.10.1/32 into 10.5.10.0/24
E. The router is suppressing the 10.5.10.0/24 route
F. The L2/L1 IS-IS router is blocking the 10.5.10.0/24 interarea route to the L1-only router
