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Cisco 300-420 Exam - Topic 7 Question 121 Discussion

How is internet access provided to a WAN edge router that is connected to a MPLS transport link?
D) TLOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network
C) An extranet must be provided in the MPLS transport network to allow private traffic to reach the public internet
A) OMP advertises a default route from a WAN Edge router that is connected to the MPLS and internet transport networks
B) Internet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit

Cisco 300-420 Exam - Topic 7 Question 121 Discussion

Actual exam question for Cisco's 300-420 exam
Question #: 121
Topic #: 7
[All 300-420 Questions]

How is internet access provided to a WAN edge router that is connected to a MPLS transport link?

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Suggested Answer: D

by Rasheeda at Jan 24, 2026, 03:13 PM

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Gabriele
2 months ago
True, and it should support multiple protocols for flexibility.
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Emiko
2 months ago
I feel like the router needs a static IP for proper access.
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Stephaine
2 months ago
Yeah, but it could also be via a VPN over MPLS.
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Yuki
2 months ago
I think it's through a dedicated internet connection.
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Carlota
4 months ago
I thought MPLS was just for private networks, not internet access!
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Gussie
4 months ago
MPLS can handle multiple types of connections, including internet.
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Talia
4 months ago
Wait, can you really use broadband for that? Seems risky.
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Lucille
4 months ago
Totally agree, that's the standard setup!
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Mira
5 months ago
Usually through a dedicated internet link or a broadband connection.
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Mirta
5 months ago
Haha, the MPLS network is the internet? Someone needs to go back to networking 101.
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Detra
5 months ago
Wait, the MPLS network is the internet? I thought they were separate things. This exam is tricky!
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Jade
5 months ago
I think the answer is that the WAN edge router gets internet access from the MPLS network. Easy peasy.
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Carol
5 months ago
Isn't that obvious? The MPLS link is the internet, right?
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Gwenn
5 months ago
The internet access is provided through the MPLS transport link, duh.
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Lino
6 months ago
I believe the WAN edge router connects to an ISP for internet access, but I can't recall if it uses a static route or dynamic routing protocols for that connection.
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Earlean
6 months ago
I'm a bit confused about the specifics. Does the WAN edge router need a separate physical connection for internet access, or can it share the MPLS link somehow?
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Vallie
7 months ago
I remember practicing a similar question about WAN architectures, and I think it might involve using a router with a dual interface for both MPLS and internet access.
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Johnna
7 months ago
I think the internet access for a WAN edge router over MPLS might involve using a dedicated internet connection, but I'm not entirely sure how that integrates with the MPLS.
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Shelia
7 months ago
I think I have a strategy for this. I'll start by considering the typical components of a WAN edge router setup, then think about how internet access is typically provided in an MPLS environment. That should help me piece together the answer.
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Alberto
7 months ago
I'm a little confused by the wording of this question. Does it mean the MPLS link is the only way the router can access the internet, or is the MPLS link just one of the options? I'll have to read it carefully.
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Brandon
7 months ago
Okay, let me see. Since the router is connected to an MPLS link, I'm guessing the internet access is likely provided through that MPLS network in some way. I'll need to review my notes on MPLS architectures.
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Rex
7 months ago
Hmm, I'm a bit unsure about this one. I'll need to think through the details of MPLS transport links and how internet access is typically configured in that scenario.
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Fidelia
8 months ago
I think I know how to approach this. I'd start by considering the different ways internet access can be provided to a WAN edge router.
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Bev
1 month ago
Don't forget about using a backup link for redundancy!
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Willetta
1 month ago
Or set up a VPN for secure access.
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Melvin
2 months ago
You can use a direct internet connection.
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