JN0-683 practice questions 11–20

1. Question 11 · 48 in bank

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   Connections between hosts connected to Leaf-1 and Leaf-2 are not working correctly. Referring to the exhibit, which two configuration changes are required to solve the problem? (Choose two.)

   • AConfigure the set switch-options service-id 1 parameter on Leaf-2.
   • BConfigure the set switch-options vrf-target target:65000:55 parameter on Leaf-2.
   • CConfigure the set switch-options route-distinguisher 192.168.100.51:2 parameter on Leaf-1.
   • DConfigure the set switch-options vtep-source-interface lo0.0 parameter on Leaf-1.

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   Answer: BD

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2. Question 12 · 48 in bank

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   You are asked to deploy 100 QFX Series devices using ZTP. Each QFX5120 requires a different configuration. In this scenario, what are two components that you would configure on the DHCP server? (Choose two.)

   • Athe IP address of the FTP server
   • Bthe MAC address for each QFX5120
   • Cthe management IP address for each QFX5120
   • Dthe MAC address of the FTP server.

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   Answer: AB

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3. Question 13 · 48 in bank

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   You are deploying a Clos IP fabric with an oversubscription ratio of 3:1. In this scenario, which two statements are correct? (Choose two.)

   • AThe oversubscription ratio decreases when you add spine devices.
   • BThe oversubscription ratio increases when you remove spine devices.
   • CThe oversubscription ratio remains the same when you add spine devices.
   • DThe oversubscription ratio remains the same when you remove spine devices.

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   Answer: AB

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4. Question 14 · 48 in bank

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   What are two ways in which an EVPN-signaled VXLAN is different from a multicast-signaled VXLAN? (Choose two.)

   • AAn EVPN-signaled VXLAN is less resource intensive.
   • BAn EVPN-signaled VXLAN can perform autodiscovery of VTEPs using IS-IS.
   • CAn EVPN-signaled VXLAN can perform autodiscovery of VTEPs using BGP.
   • DAn EVPN-signaled VXLAN features slower and more complete convergence.

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   Answer: CD

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5. Question 15 · 48 in bank

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   Referring to the configuration shown in the exhibit, assume that there is no external router present and that the configuration is fabric-only. Which two statements are true about the example configuration? (Choose two.)

   • ADevices in irb.400 (vlan 400) and irb.800 (vlan 800) are able to communicate over the fabric.
   • BDevices in irb.400 (vlan 400) are not able to communicate directly with devices in routing instance Customer A.
   • CDevices in routing instance Customer A are able to communicate with devices in routing instance Customer B.
   • DVNI 10006 is assigned to vlan 800 (irb.800).

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   Answer: BD

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6. Question 16 · 48 in bank

   You are asked to set up an IP fabric that supports AI or ML workloads. You have chosen to use lossless Ethernet. In this scenario, which statement is correct about congestion management?

   • AThe switch experiencing the congestion notifies the source device.
   • BOnly the source and destination devices need ECN enabled.
   • CECN marks packets based on WRED settings.
   • DECN is negotiated only among the switches that make up the IP fabric for each queue.

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   Answer: C

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7. Question 17 · 48 in bank

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   You are deploying a VXLAN overlay with EVPN as the control plane in an ERB architecture. Referring to the exhibit, which three statements are correct about where then VXLAN gateways will be placed? (Choose three.)

   • ASpine devices will have no VXLAN gateways.
   • BAll leaf devices will have L3 VXLAN gateways.
   • COnly the spine devices will have L2 VXLAN gateways.
   • DOnly the border and leaf devices will have L3 VXLAN gateways.
   • EAll leaf devices will have L2 VXLAN gateways.

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   Answer: ADE

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8. Question 18 · 48 in bank

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   The exhibit shows the truncated output of the show evpn database command. Given this output, which two statements are correct about the host with MAC address 40:00:dc:01:00:04? (Choose two.)

   • AThe host is originating from an ESI LAG.
   • BThe host is located on VNI 10002.
   • CThe host is assigned IP address 10.4.4.5.
   • DThe host is originating from irb.300.

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   Answer: AC

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9. Question 19 · 48 in bank

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   You are designing an IP fabric for a large data center, and you are concerned about growth scalability. Which two actions would you take to address these concerns? (Choose two.)

   • AUse EX4300 Series devices as the spine devices.
   • BDesign a three-stage Clos IP fabric.
   • CUSE QFX5700 Series devices as the super spines.
   • DDesign a five-stage Clos IP fabric.

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   Answer: CD

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10. Question 20 · 48 in bank

    You want to provide a DCI that keeps each data center routing domain isolated, while also supporting translation of VNIs. Which DCI scheme allows these features?

    • AMPLS DCI label exchange
    • Bover the top (OTT) with VNI translation enabled
    • CVXLAN stitching
    • Dover the top (OTT) with proxy gateways

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    Answer: B

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JN0-683 practice, question 11. 48 questions available.