Refer to the exhibit. A customer has a problem with connectivity in the network. Based on the IP addressing scheme, what is causing the problem?

- The WAN link that connects R1 to R3 has an incorrect mask.
- The WAN links need IP addresses from a different major network.
- The WAN link that connects R1 to R2 overlaps with the R3 LAN.
- The IP addressing in R1 LAN is incorrect because subnet zero cannot be used with VLSM.
Related exam: CCNA Discovery 4: DCompNtwk Practice Final Exam
Related exam: CCNA Discovery 4: DCompNtwk Final Exam
