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
Answer: D,F