Free JN0-682 Exam Braindumps (page: 4)

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Site 1 contains 20+ VMs. The link between Site 1 and Leaf1 goes down. Referring to the exhibit, which statement is correct?

  1. Type-1 routes for each VM will expire one at a time.
  2. Type-1 routes for all VMs in the site will expire all at once.
  3. Type-1 routes for all VMs in the site will be withdrawn all at once.
  4. Type-1 routes for each VM will be withdrawn one at a time.

Answer(s): C



Referring to the exhibit,



what happens when you initiate ZTP on a QFX5120 switch running Junos 21.3R1.9?

  1. ZTP skips both the Junos installation and the configuration.
  2. ZTP performs the Junos installation but skips the configuration.
  3. ZTP performs both the Junos installation and the configuration.
  4. ZTP skips the Junos installation but applies the configuration.

Answer(s): D



Referring to the exhibit,



you have a data center in which only the spine devices are using EVPN and VXLAN. The leaf nodes are multihomed in active-active mode to the spine nodes through ESI LAG interfaces. In this design, a link failure on the interface connecting the spine nodes would also cause all traffic from the spine to the leaf nodes to drop.
In this scenario, which command configured on which nodes would solve this problem?

  1. the disable protocols evpn no-core-isolation command on the spine nodes
  2. the set protocols evpn no-core-isolation command on the spine nodes
  3. the disable protocols evpn no-core-isolation command on the leaf nodes
  4. the set protocols evpn no-core-isolation command on the leaf nodes

Answer(s): A



You are evaluating which method to use for learning MAC addresses in your VXLAN network.
Which statement is true in this scenario?

  1. Multicast exchanges MAC addresses through data plane learning and is more reliable than EVPN.
  2. EVPN exchanges MAC addresses through control plane learning and is more reliable than multicast.
  3. EVPN exchanges MAC addresses through data plane learning and is more reliable than multicast.
  4. Multicast exchanges MAC addresses through control plane learning and is not more reliable than
    EVPN.

Answer(s): B

Explanation:

Ethernet VPN (EVPN) provides control plane-based MAC address learning. This means that MAC addresses are exchanged and learned via BGP messages rather than through traditional data plane flooding. This approach is more scalable and reliable compared to multicast-based MAC address learning, where MAC addresses are learned through data plane flooding. Control plane learning with EVPN is less prone to issues like broadcast storms and provides a more efficient and stable mechanism for MAC address dissemination in large-scale networks.


Reference:

Juniper Networks EVPN Overview and Configuration Guide.






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