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Juniper JN0-682 Exam Questions
Data Center, Professional (Page 3 )

Updated On: 16-Feb-2026
Page 3 of 32
PDF with 154 Questions

You want to improve network convergence within a data center during link failures. In this scenario, which EVPN-VXLAN feature will accomplish this task?

  1. storm control
  2. Ethernet segment auto discovery
  3. MAC filtering
  4. MAC mass withdrawal

Answer(s): D

Explanation:

The MAC mass withdrawal feature in EVPN-VXLAN environments significantly improves network convergence during link failures.
When a link failure occurs, instead of individually withdrawing each MAC address learned on the failed link, EVPN can send a single, consolidated message indicating that all MAC addresses associated with the Ethernet Segment Identifier (ESI) of the failed link are no longer reachable. This accelerates the convergence process by reducing the amount of control plane traffic needed to update the network state.


Reference:

Juniper Networks EVPN-VXLAN Technical Documentation.



Which IP fabric underlay protocol provides the highest degree of scalability?

  1. IS-IS
  2. RIP
  3. EBGP
  4. OSPF

Answer(s): C

Explanation:

Among the listed protocols, External Border Gateway Protocol (EBGP) provides the highest degree of scalability for an IP fabric underlay. EBGP is designed for inter-autonomous system routing and thus is well-suited to handle large-scale network environments with robustness and scalability. It is commonly used in data center fabrics due to its ability to efficiently manage routing information and scale with the network as it grows.


Reference:

Juniper Networks Data Center Design - IP Fabric.



Referring to the exhibit, which two statements are correct? (Choose two.)

  1. The local leaf is using the 192.168.100.102 IP address as the local anchor point of the VTEP tunnel.
  2. The remote leaf is using the 192.168.100.102 IP address as the local anchor point of the VTEP tunnel.
  3. The remote leaf is using the 192.168.100.101 IP address as the local anchor point of the VTEP tunnel.
  4. The local leaf is using the 192.168.100.101 IP address as the local anchor point of the VTEP tunnel.

Answer(s): A,C



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






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