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Which MPLS label mode propagates a label mapping only for the FEC for which a router has a label mapping for the FEC's next-hop?
Suggested Answer: C
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34 comments · newest first
FR
Francis
11 months ago
I agree with Danica, E makes the most sense here.
MI
Michal
11 months ago
Wait, is it really E? That seems too straightforward!
AD
Adelaide
11 months ago
I always get confused between C and D.
YU
Yuriko
11 months ago
Nah, it's definitely B, ordered control mode.
DA
Danica
12 months ago
I think it's E, downstream on demand mode.
LA
Laurel
12 months ago
I remember studying the differences between these modes, and "Independent control mode" seems like it could fit, but I’m not confident.
RO
Rolland
1 year ago
I practiced a question similar to this, and I think it was about how labels are propagated. I might lean towards "Ordered control mode," but I can't recall the specifics.
JO
Josephine
1 year ago
I feel like "Conservative label retention mode" could be the right choice, but I need to double-check what that mode actually does.
IV
Ivan
1 year ago
I think the answer might be "Downstream on demand label distribution mode," but I'm not entirely sure. I remember it had something to do with how labels are requested.
LI
Ligia
1 year ago
I've got this one! The answer is Ordered control mode. That's the MPLS label distribution mode where routers only advertise labels for FECs they have a next-hop for, rather than advertising labels for all FECs.
OZ
Ozell
1 year ago
Okay, let me think this through. The question is asking which mode only propagates labels for the FEC that the router has a next-hop mapping for. I believe that's the Ordered control mode, since it ensures labels are distributed in a specific order.
GE
Genevive
1 year ago
Hmm, I'm a bit confused on the differences between the MPLS label distribution modes. I'll need to review my notes to make sure I understand which one matches the description in the question.
LI
Lizette
1 year ago
I'm pretty sure this is about the MPLS label distribution modes, and the key is which one only propagates labels for the next-hop FEC. I think the answer is Ordered control mode.
GR
Gracia
1 year ago
I think when you model a roof, it might be associated with a material, but I'm not completely sure.
AL
Alaine
1 year ago
Hey, at least they didn't ask us to explain the difference between penguins and hippos on this MPLS exam. That would be a real head-scratcher!
VE
Veronica
1 year ago
C) Liberal label retention mode
AL
Alaine
1 year ago
B) Ordered control mode
BA
Barbra
1 year ago
A) Independent control mode
RO
Rosamond
1 year ago
D) Conservative label retention mode? Wait, no, that's not it. Ugh, MPLS is so confusing sometimes. I'm just going to guess and hope for the best.
RO
Rosann
1 year ago
C) Liberal label retention mode
HA
Han
1 year ago
B) Ordered control mode
SA
Salena
1 year ago
A) Independent control mode
RE
Refugia
1 year ago
Haha, I feel like this question is trying to trick us. They're really making us work for this one! But I'm going with B, seems the most logical to me.
AL
Allene
2 years ago
Hmm, I was thinking it might be E) Downstream on demand label distribution mode. But I'm honestly not too sure about the difference between all these MPLS label modes.
LA
Lazaro
1 year ago
I'm not sure either, but I think it might be A) Independent control mode.
MA
Maira
1 year ago
I'm leaning towards D) Conservative label retention mode.
GL
Glenn
1 year ago
I believe it's C) Liberal label retention mode.
GI
Giuseppe
1 year ago
I think it's B) Ordered control mode.
WI
Winfred
2 years ago
I'm pretty sure it's B) Ordered control mode. That's the one where the label mapping is only propagated for the next-hop FEC, right?
LI
Ling
1 year ago
That's right. It helps in efficient label distribution for specific FECs.
VA
Valentine
1 year ago
Yes, you're correct. In Ordered control mode, the label mapping is only propagated for the next-hop FEC.
CO
Colene
2 years ago
I'm not sure, but I think C) Liberal label retention mode also makes sense because it retains labels even if not all routers have mappings.
BE
Ben
2 years ago
I agree with Juliann, because in Ordered control mode, a router only propagates a label mapping for the FEC's next-hop.
JU
Juliann
2 years ago
I think the answer is B) Ordered control mode.