Nokia Quality of Service 4A0-107 Question # 57 Topic 6 Discussion
4A0-107 Exam Topic 6 Question 57 Discussion:
Question #: 57
Topic #: 6
A packet is to be encapsulated inside an MPLS tunnel which consists of two MPLS headers at the first network egress. Which of the MPLS EXP fields will be marked?
A.
The EXP field in the bottom MPLS header will be marked.
B.
The EXP field in both the top and bottom MPLS headers will be marked.
C.
For Layer 2 services, the top MPLS header will be marked; for Layer 3 services, the bottom MPLS header will be marked.
D.
The EXP field in the top MPLS header will be marked.
E.
Neither the top nor the bottom EXP field will be marked since EXP remarking can only be done on the network ingress.
Chosen Answer:
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