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Juniper JN0-664 Exam - Topic 8 Question 9 Discussion

Actual exam question for Juniper's JN0-664 exam
Question #: 9
Topic #: 8
[All JN0-664 Questions]

You are a network architect for a service provider and want to offer Layer 2 services to your customers You want to use EVPN for Layer 2 services in your existing MPLS network.

Which two statements are correct in this scenario? (Choose two.)

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Suggested Answer: C

BGP signaled Layer 2 VPN is a type of VPN that uses BGP to distribute VPN labels and information for Layer 2 connectivity between sites over an MPLS network.BGP signaled Layer 2 VPN requires the support of the l2vpn NLRI on all core BGP devices1. The l2vpn NLRI is a new address family that carries Layer 2 VPN information such as the VPN identifier, the attachment circuit identifier, and the route distinguisher.The l2vpn NLRI is used for both auto-discovery and signaling of Layer 2 VPNs2. In this scenario, we are configuring a BGP signaled Layer 2 VPN across an MPLS enabled core network. Therefore, we need to ensure that all core BGP devices support the l2vpn NLRI.


by Lavera at Jul 27, 2023, 06:43 AM

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Freida
3 months ago
Totally agree, Type 2 routes are key for ARP snooping!
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Rodolfo
3 months ago
Not sure about that multicast tree thing, sounds off.
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Alton
4 months ago
VXLAN is definitely needed on PE routers for EVPN.
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Adelle
4 months ago
I thought Segment routing was optional for EVPN?
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France
4 months ago
EVPN does use Type 2 routes for MAC and IP pairs.
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Azzie
4 months ago
I recall that Type 3 routes are related to multicast, but I can't quite remember how they fit into the overall EVPN architecture.
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Lai
4 months ago
I practiced a question similar to this, and I feel like Segment routing isn't a requirement for EVPN, but I could be wrong.
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Viva
5 months ago
I think Type 2 routes are definitely used for advertising MAC and IP pairs, but I'm a bit confused about the specifics of ARP snooping.
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Audry
5 months ago
I remember that EVPN can work with VXLAN, but I'm not sure if it has to be configured on all PE routers.
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Monroe
5 months ago
This seems like a tricky question. I'll need to think through the different policy options carefully to make sure I understand the nuances.
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Mollie
5 months ago
This is a straightforward question. The textbook clearly states there are seven risk response types for negative risks. I've got this one covered.
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Franchesca
5 months ago
Wait, where exactly do I need to go in the portal? Is it under Inventory management or Setup? I want to make sure I'm in the right place before I start making changes. Gotta double-check the instructions.
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Shakira
5 months ago
Hmm, I'm a bit confused about the purpose of MAC addresses. I know they're used for network identification, but I'm not sure if it's for routers, switches, or devices. I'll have to think this through carefully.
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Nieves
9 months ago
I wonder if the exam writer has ever actually configured EVPN in a real network. Probably not, or they wouldn't be asking such tricky questions!
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Janessa
8 months ago
I agree, these questions can be quite tricky sometimes!
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Noe
9 months ago
C) EVPN uses Type 2 routes to advertise MAC address and IP address pairs learned using ARP snooping
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Domingo
9 months ago
A) Segment routing must be configured on all PE routers.
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Vernice
9 months ago
Wait, does EVPN require me to be a mind reader to figure out the correct answers? I'll just go with my gut and pick C and D.
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Evangelina
9 months ago
Ah, segment routing isn't necessary for basic EVPN functionality. I'll steer clear of A. C and D sound like the right choices here.
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Krystal
8 months ago
I think we can skip segment routing and choose C and D for EVPN services.
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Veronika
8 months ago
Yes, A is not necessary for EVPN. Let's select C and D for this scenario.
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Joseph
8 months ago
VXLAN is not needed for EVPN, so we can eliminate B. C and D are the correct choices.
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Irene
9 months ago
I agree, segment routing is not required for EVPN. Let's go with C and D.
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Lelia
10 months ago
Hmm, B seems like a trap answer. VXLAN is for encapsulating Layer 2 traffic, not a requirement for EVPN. I'll go with C and D.
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Ludivina
9 months ago
Segment routing is not required for EVPN, so A is not correct. VXLAN is not a must, so B is not needed.
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Florencia
9 months ago
D is also correct because EVPN uses Type 3 routes to flood traffic. Good choices!
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Salley
9 months ago
I agree, B is not necessary for EVPN. C is correct because EVPN uses Type 2 routes for MAC and IP address pairs.
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Octavio
10 months ago
C and D are correct. EVPN uses Type 2 routes for MAC/IP address learning and Type 3 routes for multicast forwarding. I'm glad I brushed up on my EVPN knowledge before the exam!
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Renea
9 months ago
I agree. Knowing the details of EVPN will definitely help in providing Layer 2 services to our customers.
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Tu
9 months ago
That's right! It's important to understand the different route types in EVPN for efficient network design.
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Tammy
9 months ago
C and D are correct. EVPN uses Type 2 routes for MAC/IP address learning and Type 3 routes for multicast forwarding.
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Mozell
10 months ago
I'm not sure about B and D, but I think A and C make sense for offering Layer 2 services with EVPN.
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Curtis
10 months ago
I agree with Hannah. Also, I believe C is correct as EVPN does use Type 2 routes for MAC and IP address pairs.
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Hannah
11 months ago
I think A is correct because segment routing is essential for EVPN.
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