A service provider is using GRE for his transport tunnel on the Nokia 7750 SR. How can traffic be marked as it traverses the service provider's network? (Choose two)
A) Using dot1p bits of the 802.1q Ethernet frame header
B) Using DSCP bits within the ToS field of the IP packet header.
C) Using the IP precedence bits within the ToS field of the IP packet header.
D) Using the CLP bit of the ATM cell header.
E) Using the EXP bits of the MPLS transport label header.

Question

Quizplus · Accepted Answer

GRE supports both dot1p bits of the 802.1q Ethernet frame header and DSCP bits within the ToS field of the IP packet header for traffic marking.

A Service Provider Is Using GRE for His Transport Tunnel