A service provider NOC engineer received numerous support tickets from their VPN customers. These customers are reportin

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A service provider NOC engineer received numerous support tickets from their VPN customers. These customers are reporting packet loss between two PE routers. The NOC engineer created a VRF TEMP to run tests between these two PE routers, and no errors were reported. ECMP links are used between P and
PE routers.
Which test can quickly identify the core link that is causing the problems?

A. an extended traceroute with multipath option between the PE's loopbacks
B. anmpls traceroute with multipath option between the PE's loopbacks
C. anmpls ping with sweep option between the PE's loopbacks
D. avrf ping between customer's CE router and service provider's remote PE router
E. an extended ping with sweep option between the PE's loopbacks
F. avrf traceroute between customer's CE router and service provider's remote PE router