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A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). Which route is NOT present in PE1's global routing table?
Suggested Answer: C
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17 comments · newest first
CA
Carolynn
1 month ago
Let's not forget about the subnetting rules too.
NA
Natalya
1 month ago
Right, the ISP might not route that one.
AL
Alisha
1 month ago
True, but we need to consider the context of the CSC.
TO
Torie
2 months ago
Good point, but private IPs usually aren't in global tables.
CA
Carolynn
2 months ago
C) 10.10.10.3 could be the answer. It's too specific.
NA
Natalya
2 months ago
I lean towards A) 192.60.100.0. Looks like an external route.
AL
Alisha
2 months ago
I agree, but what about D) 192.50.1.1? Seems off too.
TO
Torie
2 months ago
I think it's B) 10.10.10.6. Feels like a private IP.
TA
Tammara
2 months ago
I thought all those IPs were valid routes. This is confusing!
BA
Barrett
3 months ago
10.10.10.3 should be there, right?
AN
Antonio
3 months ago
Wait, are we sure about that? I thought 192.60.100.0 was missing.
VA
Valentin
3 months ago
Yeah, I agree, it's definitely not there.
PA
Pamella
3 months ago
I'm pretty sure 10.10.10.6 isn't in the global routing table.
JA
Janella
3 months ago
I think the answer could be 192.50.1.1, but I need to double-check how CSC handles those specific routes.
FA
Fanny
4 months ago
I feel like I should know this, but I can't recall if the 192.x addresses are typically included or excluded in these configurations.
NA
Na
4 months ago
This question seems similar to one we practiced about route propagation in VPRN setups. I think it might be the 10.10.10.x addresses.
GA
Gail
4 months ago
I remember studying the global routing table, but I'm not sure which route would be missing in this scenario.