Nokia Exam 4A0-107 Topic 2 Question 84 Discussion

Actual exam question for Nokia's 4A0-107 exam

Question #: 84
Topic #: 2

When deploying a Nokia MPLS network with QoS, how are the EXP bits set?

AThe first 3 bits of the DSCP value are copied directly into the EXP field on the first network egress.

BThe EXP bits are set on the first network egress, based on a combination of the SAP-ingress classification and the network policy applied.

CThe 3 priority bits are copied directly from the dot1p header into the EXP field of the first MPLS header.

DThe EXP bits are set based on a default map that translates DSCP codes into internal forwarding classes on SAP-ingress.

Show Suggested Answer

Suggested Answer: A, B

by Hubert at Apr 06, 2025, 08:06 AM

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Jerilyn

2 days ago

Option B makes the most sense to me. The EXP bits should be set based on the traffic classification and network policy, not just copied from DSCP or dot1p.

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Lavelle

5 days ago

I believe the EXP bits are actually set on the first network egress, based on a combination of the SAP-ingress classification and the network policy applied.

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Mila

16 days ago

I think the EXP bits are set based on a default map that translates DSCP codes into internal forwarding classes on SAP-ingress.

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