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Which of the following functions must a PE router support when participating in a VPLS service? (Choose 3)
Suggested Answer: A, B, D
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31 comments · newest first
ER
Eric
10 months ago
A and D are obvious, but B is questionable.
BO
Bo
10 months ago
Wait, does it really need to do frame replication?
AL
Alesia
10 months ago
I think E is also a must.
EL
Elly
11 months ago
Definitely A, B, and D!
RO
Rolande
11 months ago
MAC learning is essential for sure!
MO
Mollie
11 months ago
I feel like I read that PE routers must discard frames with unknown destination MACs, but I can't recall if that's a requirement for VPLS specifically.
RO
Rodolfo
11 months ago
Frame forwarding seems like a must-have too, but I'm a bit confused about whether frame fragmentation is needed.
TO
Tori
11 months ago
I remember practicing a question similar to this, and I think frame replication is crucial for VPLS.
EZ
Ezekiel
12 months ago
I think MAC learning is definitely one of the functions, but I'm not sure about the others.
KA
Kasandra
12 months ago
I'm a little stuck on this one. I know VPLS is important, but I'm not sure I fully understand all the router capabilities required. I'll have to review my notes on that.
LI
Ling
1 year ago
I'm confident I can get this one. The PE router has to support MAC learning, frame replication, and frame forwarding for VPLS. The other options don't seem directly relevant.
KE
Kerrie
1 year ago
Okay, let me think this through. The PE router needs to handle MAC learning, frame replication, and frame forwarding, right? Those seem like the core functions.
DE
Desmond
1 year ago
Hmm, I'm a bit unsure about this one. I know VPLS is a Layer 2 VPN, but I'm not totally clear on all the specific router requirements.
JE
Jennie
1 year ago
This question seems straightforward, I'll start by identifying the key functions a PE router must support in a VPLS service.
RA
Rachael
1 year ago
Alright, let's see... A, B, and D. Easy peasy. Though I have to admit, the 'Must discard frames with an unknown destination MAC' option has a certain je ne sais quoi to it. Might spice things up a bit, you know?
JU
Julianna
1 year ago
Yeah, I agree. 'Must discard frames with an unknown destination MAC' does sound interesting though.
MI
Mira
1 year ago
I think A, B, and D are the correct functions.
RI
Rickie
1 year ago
I'm just gonna go with the classics - A, B, and D. No need to overcomplicate things. Although, 'Must discard frames with an unknown destination MAC' does sound like a fun party trick.
DE
Dean
1 year ago
I think Frame replication could also be important for redundancy in VPLS service.
AD
Adelina
1 year ago
Haha, 'Frame fragmentation'? What is this, IPv4? VPLS is all about keeping those frames intact and moving them around. A, B, and D are the clear winners here.
BO
Boris
1 year ago
D) Frame forwarding
JU
Justa
1 year ago
B) Frame replication
LA
Larue
1 year ago
B) Frame replication
DA
Darell
1 year ago
A) MAC learning
NO
Nohemi
1 year ago
A) MAC learning
PE
Pearline
1 year ago
I agree with Cordie, MAC learning, discarding frames with unknown destination MAC, and frame forwarding are essential for VPLS service.
CO
Cordie
1 year ago
A, E, D are the functions that a PE router must support.
LE
Leonida
1 year ago
A, B, and D are definitely required for a PE router in VPLS. C and F are not needed, and E is just weird - why would we want to discard frames with unknown MAC addresses?
KR
Kris
1 year ago
Agreed, discarding frames with unknown MAC addresses doesn't make sense.
TA
Tambra
1 year ago
Yeah, C and F are not necessary for VPLS.
CO
Cornell
1 year ago
A, B, and D are essential for VPLS service on a PE router.