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The FDB has learned 2 MAC addresses. The first is from a device accessible via a locality defined SAP, the second is from a device accessible via an SDP. Both MAC addresses were learned at the exact same time. If all traffic from these hosts stops at the same time, which address will age out first from the FDB based on default settings?
Suggested Answer: A
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25 comments · newest first
TR
Trina
6 months ago
I believe D) Both will timeout at the same time. They were learned simultaneously.
HE
Helga
6 months ago
Not sure, but I feel like C) There is not enough information to determine.
LA
Lauran
6 months ago
I disagree, I lean towards B) MAC learned via SDP. More stable connections.
ES
Essie
6 months ago
I think it's A) MAC learned via SAP. It usually has a shorter timeout.
TE
Tequila
6 months ago
I've heard SDP can have longer aging times, though.
RU
Rupert
7 months ago
I think both will timeout at the same time, right?
CA
Carey
7 months ago
Wait, are you sure about that?
AD
Adela
7 months ago
Totally agree, SAP has a shorter timeout!
SA
Salome
7 months ago
A) MAC learned via SAP
XE
Xenia
7 months ago
I'm going with B. Who cares about the details, let's just pick the most random-sounding option and see what happens!
YO
Yoko
8 months ago
Hmm, this is a tricky one. I'm going to go with C and hope the professor has a sense of humor. Maybe they'll give partial credit for the witty response.
JO
Jospeh
8 months ago
D is the way to go. If both MACs were learned at the same time and the traffic stops simultaneously, they should time out at the same time.
ME
Meaghan
8 months ago
C is the correct answer. We don't have enough information about the traffic patterns and FDB settings to determine which MAC will age out first.
SO
Sol
8 months ago
I think the answer is B. The MAC learned via SDP should age out first since it's less reliable than the one learned via SAP.
ST
Stefanie
9 months ago
I'm leaning towards option C, but I feel like I need to double-check the default aging times for SAP and SDP to be certain.
IN
India
9 months ago
This feels tricky! I want to say both would timeout at the same time, but I also remember something about default settings affecting aging.
DO
Doug
9 months ago
I remember a practice question where we discussed how MAC addresses from different sources can have different aging times, but I can't recall the specifics.
ER
Erick
9 months ago
I think the MAC address learned via SAP might age out first because it's associated with a locality, but I'm not completely sure.
HY
Hyun
9 months ago
I've got a strategy for this. I'll think through the typical behavior for MAC address aging, then consider how the SAP and SDP sources might impact that.
AN
Annmarie
10 months ago
Okay, let me see. The question is asking about the aging out behavior, so I need to focus on that. I'll make sure I understand the default timeout settings for each type of MAC address.
JO
Josphine
10 months ago
Hmm, I think I know the answer, but I want to double-check my understanding of how the FDB handles MAC addresses from different types of ports.
JA
Jaime
10 months ago
I'm not sure about this one. I'll need to think through the default settings for aging out MAC addresses learned via SAP vs SDP.
RO
Rozella
4 months ago
Not enough info to decide, honestly.
GA
Gary
5 months ago
I'm leaning towards both timing out at the same time.
JU
Justine
6 months ago
I think the MAC learned via SAP will age out first.