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Which of the following describes the scope of the IEEE 802.3ah EFM standard? (Choose 3)
Suggested Answer: D
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37 comments · newest first
RE
Refugia
11 months ago
I didn't know E was so important for last-mile connections!
PA
Page
11 months ago
Totally agree with D, BFD is the way to go!
BR
Brandon
11 months ago
Wait, are we sure about C? Sounds off to me.
BE
Bette
11 months ago
I think A and B are also correct.
EL
Eladia
12 months ago
E is definitely one of the scopes!
KE
Kenneth
12 months ago
I’m pretty certain that A and B are related to monitoring, but I’m confused about the core functions mentioned in C and D.
EA
Earleen
1 year ago
I feel like there was a practice question about MPLS and failure detection, but I can't recall if EFM is involved in that.
SA
Salome
1 year ago
I remember something about it being useful for last-mile connections, so maybe option E is one of the correct answers.
YU
Yun
1 year ago
I think the EFM standard is mainly about monitoring and troubleshooting, but I'm not sure which specific options apply.
LA
Lashaunda
1 year ago
This is a tricky one. I'm not sure if I fully understand the scope of the EFM standard. I'll need to review my notes and maybe even look up some additional information to feel confident in my answer.
CO
Corinne
1 year ago
I'm not too familiar with the EFM standard, but I'll give it my best shot. I'll try to eliminate the options that don't seem to fit the description and focus on the ones that do.
CA
Carissa
1 year ago
Okay, let's see. I know the EFM standard has to do with Ethernet in the First Mile, so I'm thinking options A, B, and E are the most relevant ones to choose.
CO
Colette
1 year ago
Hmm, I'm a bit confused by the options here. I'll need to carefully read through each one to understand how they relate to the scope of the EFM standard.
AN
Annalee
1 year ago
This question seems pretty straightforward. I think the key is to focus on the scope of the IEEE 802.3ah EFM standard.
MA
Marya
1 year ago
Ah, the joys of standardization. Next up, the IEEE 802.3zzz 'Snooze-Inducing Ethernet' standard. Guaranteed to put network engineers to sleep with its riveting specifications!
RO
Rolland
1 year ago
B) Monitor and troubleshoot end-to-end services.
RE
Ressie
1 year ago
E) Valuable in the last-mile connection to the Service Provider demarcation device.
LI
Lillian
1 year ago
A) Monitor and troubleshoot a point-to-point full-duplex link.
ST
Stefania
1 year ago
I'm with Misty on this one. If the question says not to use EFM for that purpose, then C is definitely wrong. Although, I do have to wonder who comes up with these exam questions. They're getting trickier every year!
DE
Denise
1 year ago
E) Valuable in the last-mile connection to the Service Provider demarcation device.
DE
Deangelo
1 year ago
B) Monitor and troubleshoot end-to-end services.
WI
Winifred
1 year ago
A) Monitor and troubleshoot a point-to-point full-duplex link.
MI
Misty
1 year ago
Wait, what? C is definitely not correct. The question clearly states that the EFM standard 'should not be used at the core to trigger MPLS protection.' Looks like someone didn't read the options carefully enough.
AL
Alonso
1 year ago
E) Valuable in the last-mile connection to the Service Provider demarcation device.
MA
Maryann
1 year ago
B) Monitor and troubleshoot end-to-end services.
KA
Kanisha
1 year ago
A) Monitor and troubleshoot a point-to-point full-duplex link.
VA
Vallie
2 years ago
I'm pretty sure C is also correct. The EFM standard can be used to trigger MPLS protection mechanisms at the core when physical failure detection is not possible. I mean, why else would they include that option?
LU
Lucille
1 year ago
E) Valuable in the last-mile connection to the Service Provider demarcation device.
VE
Verlene
1 year ago
C) Can be used at the core to trigger MPLS protection mechanisms when a physical failure detection is not possible.
CO
Cory
1 year ago
A) Monitor and troubleshoot a point-to-point full-duplex link.
LI
Lindsey
2 years ago
I believe it should not be used at the core to trigger MPLS protection. BFD is the recommended method for that scenario.
AL
Alpha
2 years ago
A, E, and D are the correct answers. The IEEE 802.3ah EFM standard is used for monitoring and troubleshooting point-to-point full-duplex links, as well as in the last-mile connection to the Service Provider demarcation device. It should not be used at the core to trigger MPLS protection, as BFD is the recommended method for that purpose.
NA
Natalie
1 year ago
D) Should not be used at the core to trigger MPLS protection. BFD is the only method that can be used when physical failure detection is not possible.
BO
Bong
1 year ago
E) Valuable in the last-mile connection to the Service Provider demarcation device.
BE
Beckie
2 years ago
A) Monitor and troubleshoot a point-to-point full-duplex link.
ER
Erasmo
2 years ago
I agree with you, Trina. It also mentions that it can be used in the last-mile connection to the Service Provider demarcation device.
TR
Trina
2 years ago
I think the scope of IEEE 802.3ah EFM standard includes monitoring and troubleshooting end-to-end services.