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Data Centers: 65 (JN0-681) - Juniper Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
67 Total Questions
1
Question
You are deploying a VXLAN using signaling overlay network in your new data center. You are able to establish your MP BGP peering session and see your EVPN routes, but traffic will not traverse the VXLAN using signaling overlay network.

What is a solution to this problem?
Options
A Increase the protocol MTU on all devices participating in VXLAN using EVPN signaling
B Enable the mtu-discovery feature on the MP peering sessions between VXLAN ANs EVPN signaling peers.
C Increase the physical MTU on all ports on all devices participating in VXLAN using EVPN signaling.
D Increase the MTU on the logical VTEP source interface of all devices participating in VXLAN using EVPN signaling.
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2
Question
Which protocol replicates forwarding information between MC-LAG peers?
Options
A ICCP
B VCCP
C LLDP
D VRRP
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3
Question
You host a multitenant data center that runs VMware. You must perform deep packet inspection on all inter-tenant traffic that is flowing between the VMs within the same hypervisor. Your solution must provide the security services without needing to leave the physical device. In this scenario, what should you do to solve this problem?
Options
A Use VLANs to isolate each tenant’s networks and use an SRX Series device to evaluate inter-tenant traffic.
B Use separate vswitches to isolate each-tenant’s network and use and use a vSRX device to evaluate inter-tenant traffic.
C Use a vMX device to isolate each tenant’s network and use firewall filters to evaluate inter-tenant traffic.
D Use a VLANs to isolate each tenant’s network and use IP tables to evaluates inter-tenant traffic.
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4
Question
You are designing an EBGP IP fabric for a multi-side data center. In this scenario, which two statements are true? (Choose two.)
Select 2
Options
A The same AS number should be used on all devices across all data centers.
B Different AS numbers should be used on all devices.
C Public AS numbers must be used
D Private AS numbers can be used.
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5
Question
A company wants to expect their hosting business and is seeking solutions to supported multiple tenants. Each tenant should be able to configure their own logical interfaces. Also, based on customer needs, all routing features must be supported.

What will satisfy the customer’s requirements?
Options
A Bridge domains
B Tenant systems
C Routing instances
D Logical systems
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