Why did Branch1 router lose WAN connectivity with R1 router?
A . The IP address is misconfigured on PPP multilink interface on the Branch1 router.
B . The PPP multilink group is misconfigured on the £ranch1 serial interfaces.
C . The PPP multilink group is misconfigured on the R1 serial interfaces.
D . The Branch1 serial interfaces are placed in a shutdown condition.
Answer: A