Cisco
350-029 · Question #512
A service provider engineer has been requested to preserve QoS values when customer packets cross the MPLS backbone. Which Cisco IOS command should the engineer apply and what should the label value…
The correct answer is A. mpls ldp explicit-null with label value of zero. See the full explanation below for the reasoning.
Question
A service provider engineer has been requested to preserve QoS values when customer packets cross the MPLS backbone. Which Cisco IOS command should the engineer apply and what should the label value be when the LSR at the penultimate hop forwards the MPLS label packets toward the egress PE?
Options
- Ampls ldp explicit-null with label value of zero
- Bmpls ldp implicit-null with label value of zero
- Cmpls ldp explicit-null with label value of three
- Dmpls ldp implicit-null with label value of three
How the community answered
(43 responses)- A77% (33)
- B7% (3)
- C2% (1)
- D14% (6)
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