Q: 8
What are three types of MPLS routers? (Choose three.)
Options
Discussion
I don’t think B is correct. Peering routers isn’t a specific MPLS router type, but ingress, egress, and transit (A, C, E) are defined roles in MPLS. Pretty sure that's what the question wants.
Option B Saw a similar question in practice, picked B but maybe missed something.
Totally see why people wonder about B or D, but pretty sure it's A, C, E. Ingress, egress, and transit are the terms Junos uses for MPLS label application/removal/forwarding. Not 100 percent, so open to debate if someone has a different source.
Not B, ACE is right. Transit, ingress, and egress are the three actual MPLS router roles from the official guide and labs. Peering and aggregation are just general network terms, not specific to MPLS. Pretty sure about this but let me know if you see it differently in official practice tests.
ACE tbh
I don't think it's D, I'd pick B instead. Peering routers seem like they could be MPLS router types since they're often at boundaries, while aggregation feels more like a design function. Not sure if that's a trap though. B.
A, C, and E make sense here. Ingress, egress, and transit are the core MPLS router roles-they apply, swap, or remove labels. B and D aren't defined MPLS roles, just more generic terms. I think ACE is correct but open if there's another take.
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