Refer to the exhibit. As shown in the figure, a CE requires access to the Internet, and PE 1 is connected to the Internet gateway. Configurations on PE 1 are as follows: PE 1: # nat address-group 0…

Refer to the exhibit. As shown in the figure, a CE requires access to the Internet, and PE 1 is connected to the Internet gateway. Configurations on PE 1 are as follows:

PE 1:

nat address-group 0 175.31.1.3 175.31.1.10 # ip vpn-instance vrf1route-distinguisher 192.168.1.1:100 vpn-target 100:1 export-extcommunity vpn-target 100:1 import-extcommunity # acl number 2000 rule 5 permit vpn-instance vrf1 # # interface Serial0/0/1:0 link-protocol ppp ip binding vpn-instance vrf1 ip address 150.1.1.1 255.255.0.0 nat outbound acl 2000 address-group 0 # interface Pos2/1/0 clock master link-protocol ppp ip address 175.31.1.1 255.255.0.0 # bgp 100 group ibgp internal peer ibgp connect-interface LoopBack0peer 192.168.1.2 as-number 100 peer 192.168.1.2 group ibgp # ipv4-family unicast undo synchronization peer ibgp enable peer 192.168.1.2 enable peer 192.168.1.2 group ibgp # ipv4-family vpnv4 policy vpn-target peer ibgp enable peer 192.168.1.2 enable peer 192.168.1.2 group ibgp # ipv4-family vpn-instance vrf1 default-route imported import-route direct import-route static group nei_vrf1 external peer nei_vrf1 as-number 65004 peer 150.1.1.2 as-number 65004peer 150.1.1.2 group nei_vrf1 # ip route-static vpn-instance vrf1 0.0.0.0 0.0.0.0 175.31.1.2 PE 1 is connected to the Internet gateway through interface 175.31.1.2. CE 1 and CE 2 cannot ping this interface. Which of the following statements are true?