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Free JN0-682 Exam Braindumps (page: 7)

Page 6 of 39
PDF with 154 Questions

Referring to the exhibit, you have a data center with two PODs. Seamless EVPN-VXLAN stitching is used to facilitate communication between the PODs.



Which three statements are true in this scenario? (Choose three.)

  1. AVXLAN tunnel can form between L2 and S1.
  2. A VXLAN tunnel can form between S1 and S2.
  3. AVXLAN tunnel can form between L1 and L2.
  4. AVXLAN tunnel can form between L2 and S3.
  5. AVXLAN tunnel can form between L1 and L4.

Answer(s): A,B,D



A customer wants to connect two data centers on different subnets using EVPN.
What are two implications of using different IP subnets at each site? (Choose two.)

  1. Using different IP subnets at each site allows Layer 3 gateways to exchange only type-3 routes.
  2. MAC addresses will need to be advertised between the data centers.
  3. MAC addresses will not need to be advertised between the data centers.
  4. Using different IP subnets at each site allows Layer 3 gateways to exchange only type-5 routes.

Answer(s): B,D

Explanation:

When connecting two data centers on different subnets using EVPN, MAC addresses need to be advertised between the data centers to maintain Layer 2 connectivity. Using different subnets implies the need for Layer 3 gateways at each site, which typically involve exchanging type-5 routes in an EVPN context.


Reference:

EVPN for Data Center Interconnect



You want to enable an EBGP-based IP fabric to allow ECMP routes to be populated into the RIB. In this scenario, which action will accomplish this task?

  1. Enable the forwarding-options ecmp-do-local-lookup parameter.
  2. Enable the multipath multiple-as BGP parameter.
  3. Enable the routing-options multipath global parameter.
  4. Enable the chassis ecmp-alb parameter.

Answer(s): B

Explanation:

To enable ECMP (Equal-Cost Multi-Path) routes in the Routing Information Base (RIB) in an EBGP- based IP fabric, you should enable the 'multipath multiple-as' BGP parameter. This setting allows the use of multiple paths for BGP routes even when they come from different autonomous systems, which is key in a typical EBGP deployment in a data center IP fabric.


Reference:

BGP and Multipath Routing



Which two statements are true about VRF routing instances? (Choose two.)

  1. VRF can be used in conjunction with Layer 3 logical interfaces.
  2. Each logical Layer 3 interface can belong to only one routing instance.
  3. Each logical Layer 3 interface can belong to multiple routing instances.
  4. VRF does not enable multitenancy.

Answer(s): A,B

Explanation:

VRF (Virtual Routing and Forwarding) instances can be used in conjunction with Layer 3 logical interfaces. Each logical Layer 3 interface can belong to only one VRF, maintaining separation and isolation of routing tables, which is essential for multitenancy and network segmentation.


Reference:

VRF Lite Configuration






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