Which of the following statements are true?

As shown in the figure, a CE requires access to the internet, and PE 1is connected to the gateway.

Configurations on PE 1 are as follows:

PE 1 is connected to the internet gateway through interface 175.311.2 CE and CE 2 cannot ping the interface .

Which of the following statements are true?
A . NAT translation must be configured on interface pos2/1.0 instead of interface s0./01.0
B . A private network route must be configured on the internet gateway.
C . The public parameter of a static default route must be configured.
D . A default must be configured on CE an CE 2.

Answer: B