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Which of the following statements about SR-TE administrative constraints is FALSE?
Suggested Answer: C
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Shared-Risk-Link Groups(SRLG) is taken into account when calculating both primary and secondary path to avoid routing over the same physical link.
34 comments · newest first
VI
Virgina
11 months ago
The head-end router calculating based on max hop count is definitely correct.
RE
Reta
11 months ago
Wait, Shared-Risk-Link Groups only for secondary paths? Really?
ME
Melissa
11 months ago
The TE metric being the same as IGP by default is a fact.
AN
Anissa
11 months ago
I disagree, I thought hops could be non-adjacent.
CA
Candida
12 months ago
A strict hop must be adjacent? That's true.
JA
Jaclyn
12 months ago
The head-end router calculating paths with max hop count sounds right, but I wonder if that could be the false statement here.
AB
Abraham
1 year ago
I feel like Shared-Risk-Link Groups are relevant for both primary and secondary paths, but I might be mixing that up with another topic.
TH
Theodora
1 year ago
I think I saw a practice question about TE metrics being the same as IGP metrics. That one seems familiar, but I can't recall the details.
CO
Coral
1 year ago
I remember discussing hop constraints in class, but I'm not entirely sure if a strict hop has to be adjacent.
WI
Willodean
1 year ago
Okay, let me walk through this step-by-step. Shared-Risk-Link Groups are considered for the backup path, not the primary path, so C must be the correct answer.
LA
Laticia
1 year ago
The TE metric being different from the IGP metric is a common feature of SR-TE, so I'm pretty confident that option B is the false statement here.
GE
Geraldo
1 year ago
Hmm, I'm a bit confused by the wording here. I'll need to review my notes on SR-TE to make sure I understand the key concepts before attempting this.
OC
Ocie
1 year ago
This looks like a tricky question on SR-TE administrative constraints. I'll need to think carefully about the differences between the options.
CL
Claribel
2 years ago
Haha, I bet the exam writer is trying to trick us with these options. SR-TE is all about adding constraints, not removing them!
LI
Lillian
2 years ago
Option D sounds about right. The head-end router should be able to consider hop count and bandwidth when calculating the path.
MA
Margurite
2 years ago
Option A seems a bit tricky. Is a strict hop really required to be adjacent to the previous one? Doesn't SR-TE allow for more flexibility?
AL
Alexia
2 years ago
D) The head-end router may calculate a path that takes into account max hop count and bandwidth constraints.
AR
Arlette
2 years ago
C) Shared-Risk-Link Groups are only taken into account when calculating the secondary path.
KA
Kaycee
2 years ago
B) The TE metric for a link is by default the same as the IGP metric.
LO
Lonna
2 years ago
A) A strict hop must be adjacent to the previous hop in the list.
JO
Jody
2 years ago
Hmm, I thought Option B was true. Isn't the TE metric usually different from the IGP metric to allow for better traffic engineering?
AM
Amina
2 years ago
User 3: That's correct. The TE metric being the same as the IGP metric can limit the flexibility in traffic engineering.
YO
Yolande
2 years ago
User 2: Oh, I see. So that means better traffic engineering is not always guaranteed with SR-TE.
TA
Tawna
2 years ago
User 1: Option B is actually false. The TE metric is by default the same as the IGP metric.
DE
Delisa
2 years ago
Man: That's correct. The TE metric needs to be configured separately for better traffic engineering.
MA
Man
2 years ago
Oh, I see. So that means better traffic engineering is not automatically allowed by default.
YU
Yuette
2 years ago
Option B is actually false. The TE metric for a link is by default the same as the IGP metric.
AN
Annita
2 years ago
I agree with Valentin, D is the false statement.
VA
Valentin
2 years ago
I believe it's D because the head-end router can't consider max hop count.
AN
Annamae
2 years ago
I think the false statement is C.
PA
Pauline
2 years ago
Option C is definitely false. Shared-Risk-Link Groups are taken into account for both the primary and secondary paths.
SH
Sharika
2 years ago
So, the head-end router can calculate a path based on hop count and bandwidth constraints?
TE
Tequila
2 years ago
I agree, the statement about Shared-Risk-Link Groups is incorrect.
BA
Barbra
2 years ago
I think option C is false. Shared-Risk-Link Groups are considered for both paths.