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Which of the following statements about path definitions is FALSE?
Suggested Answer: D
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The data is transparently carried from end to end: This statement is not true, MPLS does not provide data transparency, which means that the data is not carried unmodified from end to end. MPLS uses labels to forward data, so the original IP packets are encapsulated in new MPLS packets, and the original IP headers are not visible at the egress LSR.
42 comments · newest first
SH
Shawnda
10 months ago
Wait, are we sure about A? Seems odd.
LY
Lynelle
10 months ago
I agree, A is misleading.
TA
Talia
11 months ago
C is correct, both options are valid for defining hops.
SA
Sage
11 months ago
B is true, loose hops are cool like that!
BR
Brandee
11 months ago
A is definitely false, paths can be shared.
SU
Suzan
11 months ago
The part about head-end and tail-end routers being added automatically sounds familiar, but I’m not sure if that’s a standard rule or just specific to certain protocols.
MA
Malika
11 months ago
I practiced a similar question where the path hops were defined by IP addresses, and I think that statement is true, but I’m not 100% confident.
JE
Jerry
12 months ago
I think a loose hop means it doesn’t have to be directly connected, which seems right, but I’m a bit confused about how that interacts with the other options.
LE
Lemuel
12 months ago
I remember studying that once a path is associated with an LSP, it can’t be reused, but I’m not entirely sure if that’s always the case.
RA
Raul
1 year ago
Okay, I think I've got this. The head-end and tail-end routers are implicitly added to the path list, so that's the false statement.
JA
Javier
1 year ago
The path hops can be defined by either the system or physical interface IP address - that sounds like the correct statement to me.
AL
Allene
1 year ago
Hmm, I'm a bit confused on the difference between loose and strict hops. I'll have to review that concept again.
LA
Larue
1 year ago
I'm pretty sure the answer is A. Once a path is associated with an LSP, it can't be used by other LSPs.
MA
Marjory
1 year ago
Looks like we need to follow the breadcrumbs to find the right path. Let's hope there's no trail mix involved!
JO
Josefa
1 year ago
This question is a real path-finder, isn't it? I hope I don't get lost on the way to the correct answer!
VI
Viola
1 year ago
D) In addition to the hops defined in the path list, the head-end and tail-end routers are implicitly added.
MI
Miss
1 year ago
C) The path hops can be defined by either the system or physical interface IP address.
TH
Thurman
1 year ago
B) A loose hop is one that does not have to be directly adjacent to the previous hop in the path list
SH
Sherill
1 year ago
A) Once a path is associated with an LSP, it cannot be used by other LSPs.
HU
Huey
1 year ago
I agree with option D. The head-end and tail-end routers are implicitly added to the path list.
RE
Rebbecca
1 year ago
I agree with you, option D is definitely the false statement. The head-end and tail-end routers are implicitly added to the path list.
KA
Kaycee
1 year ago
I believe option C is the false statement. The path hops can only be defined by the system IP address, not the physical interface IP address.
GE
Georgiana
1 year ago
I think option A is the false statement. Once a path is associated with an LSP, it cannot be used by other LSPs.
JE
Jettie
1 year ago
Option C is true. The path hops can be defined by either the system or physical interface IP address.
SE
Serina
1 year ago
C) The path hops can be defined by either the system or physical interface IP address.
LE
Leonard
1 year ago
B) A loose hop is one that does not have to be directly adjacent to the previous hop in the path list
BR
Brianne
1 year ago
A) Once a path is associated with an LSP, it cannot be used by other LSPs.
GL
Gladis
2 years ago
Option B is correct. A loose hop is one that does not have to be directly adjacent to the previous hop in the path list.
DE
Delisa
1 year ago
That's right, a loose hop can be anywhere in the path list.
WE
Wenona
1 year ago
I think option B is correct. A loose hop is not directly adjacent to the previous hop.
DA
Dahlia
2 years ago
I believe the correct answer is A) as well, because LSPs can indeed share paths.
CE
Cecily
2 years ago
I agree with Lavonne, because multiple LSPs can share the same path.
RO
Rossana
2 years ago
I think option A is incorrect. Once a path is associated with an LSP, it can be used by other LSPs as well.
NE
Nell
1 year ago
D) In addition to the hops defined in the path list, the head-end and tail-end routers are implicitly added.
JO
Joesph
1 year ago
C) The path hops can be defined by either the system or physical interface IP address.
TE
Terry
1 year ago
B) A loose hop is one that does not have to be directly adjacent to the previous hop in the path list
BR
Brock
1 year ago
A) Once a path is associated with an LSP, it cannot be used by other LSPs.
BE
Beckie
1 year ago
Head-end and tail-end routers are always implicitly added in the path list.
LA
Lazaro
1 year ago
Loose hops don't have to be directly adjacent, that's true.
RY
Ryan
1 year ago
I agree, paths can be reused by multiple LSPs.
RO
Roxane
1 year ago
Option A is definitely false. Paths can be shared among LSPs.
LA
Lavonne
2 years ago
I think the false statement is A) Once a path is associated with an LSP, it cannot be used by other LSPs.