JN0-683 practice questions 21–30

1. Question 21 · 48 in bank

   Select 3

   What are three actions available for MAC move limiting? (Choose three.)

   • Aenable
   • Bfilter
   • Cshutdown
   • Dlog
   • Edrop

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   Answer: CDE

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2. Question 22 · 48 in bank

   Select 2

   Which two statements are correct about an IP fabric? (Choose two.)

   • AEBGP is only required to route host routing information to external devices outside the fabric.
   • BAll leaf devices can use the same AS number in an IP fabric without making any adjustments to the EBGP configuration.
   • CThe multipath multiple-as statement is required to enable ECMP if every device has a different AS number.
   • DOnly a single point to point EBGP session is required between peers in an IP fabric.

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   Answer: CD

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3. Question 23 · 48 in bank

   Click the Exhibit button.

   

   You are troubleshooting a DCI connection to another data center. The BGP session to the provider is established, but the session to Border-Leaf-2 is not established. Referring to the exhibit, which configuration change should be made to solve this problem?

   • Adelete protocols bgp group UNDERLAY advertise-external
   • Bset protocols bgp group PROVIDER export LOOPBACKS
   • Cset protocols bgp group OVERLAY export LOOPBACKS
   • Ddelete protocols bgp group OVERLAY accept-remote-nexthop

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   Answer: C

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4. Question 24 · 48 in bank

   Select 2

   You are deploying an IP fabric using EBGP and notice that your leaf devices are advertising and receiving all the routes. However, the routes are not installed in the routing table and are marked as hidden. Which two statements describe how to solve the issue? (Choose two.)

   • AYou need to configure a next-hop self policy.
   • BYou need to configure multipath multiple-as.
   • CYou need to configure loops 2.
   • DYou need to configure as-override.

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   Answer: AD

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5. Question 25 · 48 in bank

   Select 2

   Click the Exhibit button.

   

   You have implemented an EVPN-VXLAN data center. Device server1 must be able to communicate with device server2. Referring to the exhibit, which two statements are correct? (Choose two.)

   • ATraffic from server1 to server2 will transit a VXLAN tunnel to spine1 or spine2, then a VXLAN tunnel from spine1 or spine2 to leaf2.
   • BTraffic from server1 to server2 will transit the VXLAN tunnel between leaf1 and leaf2.
   • CAn IRB interface must be configured on leaf1 and leaf2.
   • DAn IRB interface must be configured on spine1 and spine2.

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   Answer: AD

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6. Question 26 · 48 in bank

   Select 2

   You are implementing seamless stitching between two data centers and have a proposed configuration for a border leaf device. In this scenario, which two statements are correct? (Choose two.)

   • AThe ESI must match in both data centers.
   • BThe translation-vni must match in both data centers.
   • CThe translation-vni must be different in each data center.
   • DThe ESI must be different in each data center.

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   Answer: AC

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7. Question 27 · 48 in bank

   You need to deploy a new data center. As part of the switch onboarding process, you want to use Juniper Networks’ zero-touch provisioning (ZTP) process. Which statement is correct about this scenario?

   • AScripts that require execution must end with .sh or .py.
   • BThe minimum requirement is a DHCP IP address for the ZTP process to terminate.
   • CThe switch’s default hostname is the switch’s MAC address.
   • DJunos images on the devices can be upgraded, but not downgraded.

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   Answer: A

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8. Question 28 · 48 in bank

   You are adding a server to a tenant’s network within your data center and must limit access to a specific traffic type within the tenant network without pushing all tenant traffic through a firewall. What will satisfy this requirement?

   • AUse filter-based forwarding.
   • BPut the new server on a unique subnet within the tenant’s network.
   • CUse route leaking with EVPN and a routing policy.
   • DUse a static route in the tenant VRF with a firewall as the next hop for traffic to the new server.

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   Answer: A

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9. Question 29 · 48 in bank

   Select 2

   A local VTEP has two ECMP paths to a remote VTEP. Which two statements are correct when load balancing is enabled in this scenario? (Choose two.)

   • AThe inner packet fields are not used in the hash load balancing.
   • BThe destination port in the UDP header is used to load balance VXLAN traffic.
   • CThe source port in the UDP header is used to load balance VXLAN traffic.
   • DThe inner packet fields are used in the hash for load balancing.

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   Answer: CD

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10. Question 30 · 48 in bank

    Click the Exhibit button.

    

    Both DC and DC2 are using EVPN-VXLAN technology deployed using an ERB architecture. A server on the Red VLAN must communicate with a server on the Green VLAN. The Blue VLAN in DC and DC2 needs to be the same VLAN. Which statement is correct?

    • AAn interconnect is required between four leaf devices in the services blocks; the Red VLAN and the Green VLAN must be stitched and the Blue VLAN must be stretched.
    • BAn interconnect is required between the four SRX Series devices; the Blue VLAN must be stretched and a transit VNI must be added for the Red and Green VLANs.
    • CA lean super spine device must be added to DC and DC2; all VLANs must be stretched to the lean super spine device and the lean super spine devices must stitch all the VLANs together.
    • DThe eight spine devices must be configured as border spine devices; a full mush interconnect must exist between all eight spine devices and the Blue VLAN must be stitched together.

    Show answer

    Answer: B

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JN0-683 practice, question 21. 48 questions available.