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A service provider is using GRE for his transport tunnel on the Nokia 7750 SR. How can traffic be marked as it traverses the service provider's network? (Choose two)
Suggested Answer: C
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40 comments · newest first
LE
Levi
11 months ago
A and C could work too, but I’m not sure about C being a top choice.
BE
Bernardo
11 months ago
I thought EXP bits were more common for MPLS.
JU
Junita
11 months ago
Wait, can you really use the CLP bit for marking? Seems off.
RO
Rossana
11 months ago
I agree, A and B make the most sense here.
VA
Valda
12 months ago
Definitely A and B! Those are the standard methods.
DE
Deja
12 months ago
I'm a bit confused about the IP precedence bits; I thought they were older and less commonly used now.
MI
Mitsue
1 year ago
I practiced a question similar to this, and I feel like the EXP bits in MPLS might also be a valid choice.
WI
Willis
1 year ago
I think the dot1p bits could be relevant here, especially since we're dealing with Ethernet frames.
DA
Dalene
1 year ago
I remember something about marking traffic with DSCP bits, but I'm not entirely sure if it's the only option.
CA
Candra
1 year ago
I've got this one! The key is to remember that GRE tunnels operate at the IP layer, so we'll want to use the DSCP bits in the IP packet header to mark the traffic. And since the question mentions Ethernet frames, we can also use the dot1p bits in the 802.1q header. Easy peasy!
FL
Fletcher
1 year ago
I'm a little confused by this one. The question talks about GRE tunnels, but it also mentions Ethernet frames and IP packets. I'm not sure if I should be focusing on the Ethernet layer, the IP layer, or both. I'll need to review my notes on QoS and traffic marking before I answer this.
GL
Gladys
1 year ago
Okay, let's see. The question is asking about marking traffic as it goes through the service provider's network, and it mentions GRE tunnels. So I'm thinking the DSCP bits and the EXP bits of the MPLS transport label header would be the way to go.
RO
Rodolfo
1 year ago
Hmm, I'm a bit unsure about this one. I know we can use the DSCP bits, but I'm not sure about the dot1p bits since the question mentions GRE tunnels on a Nokia 7750 SR. I'll need to think this through carefully.
CO
Corazon
1 year ago
This question seems straightforward - I think the answer is using the DSCP bits and the dot1p bits to mark the traffic as it traverses the network.
KI
Kizzy
1 year ago
Hmm, I'm not sure. I'll have to weigh the pros and cons of each option to determine the best positioning.
CH
Chuck
1 year ago
This question is a classic. B and E are the obvious choices. Although, I have to wonder if the exam writer is a time traveler, throwing in that ATM option just to see if we're paying attention. Maybe they're testing our ability to spot outdated technologies, like floppy disks and dial-up modems.
AL
Aleta
1 year ago
I agree, B and E are the way to go. That ATM option really threw me off!
OM
Omer
1 year ago
E) Using the EXP bits of the MPLS transport label header.
ZE
Zena
1 year ago
A) Using DSCP bits within the ToS field of the IP packet header.
SE
Sean
1 year ago
Easy peasy! B and E are the way to go. I'd be more concerned about the service provider's choice of using GRE on a Nokia 7750 SR. Isn't that like using a flip phone to access the latest social media? But hey, at least they're not using carrier pigeons to transmit data.
PH
Phung
1 year ago
True, but at least they're not resorting to carrier pigeons for data transmission!
CH
Chau
1 year ago
Haha, using GRE on a Nokia 7750 SR does seem a bit outdated.
ME
Melvin
1 year ago
I agree, B and E are the correct options for marking traffic.
AV
Avery
1 year ago
Ah, the age-old question of how to mark traffic in a service provider's network. B and E are the clear winners here. I mean, who even uses ATM these days? It's like trying to find a payphone in this digital age.
SH
Sheldon
2 years ago
This is straightforward. I'll choose B and E. The IP precedence bits are outdated, and dot1p is for Ethernet, not IP-based tunnels. As for ATM, I thought that technology was long gone, like the dinosaurs.
JE
Jerry
1 year ago
It's important to stay updated on current technologies.
CA
Carli
1 year ago
ATM is definitely outdated, like the dinosaurs.
DA
Daryl
1 year ago
Yeah, dot1p is for Ethernet, not IP packets.
BU
Bulah
1 year ago
I agree, B and E are the correct choices for marking traffic.
CH
Christa
2 years ago
I'm not sure about E, but I think B is definitely one of the correct options.
JU
Junita
2 years ago
I agree with France, B and E make sense for marking traffic.
FR
France
2 years ago
I think the correct answers are B and E.
JA
Jamie
2 years ago
I'm not sure about E, but I think B is definitely one of the options for marking traffic.
LA
Lashawna
2 years ago
Hmm, the correct answers seem to be B and E. I can definitely mark traffic using the DSCP bits and the EXP bits of the MPLS header. Wonder if the exam writer is a Jedi, trying to trick us with the dark side of the force (ATM).
MA
Matthew
1 year ago
It's always good to be cautious of tricky questions, but it looks like you got this one right.
JA
Jamal
1 year ago
I agree, the ATM option seems like a distraction from the main methods of marking traffic.
ED
Eden
1 year ago
Yeah, the DSCP bits and EXP bits are commonly used for traffic marking.
YU
Yuette
1 year ago
I think you're right, B and E are the correct answers for marking traffic.
YO
Yolande
2 years ago
I agree with Kirk, B and E make sense for marking traffic.
KI
Kirk
2 years ago
I think the correct options are B and E.