You are configuring EVPN-VXLAN on a Juniper QFX switch. You have already configured the underlay and the routing-instance for the VXLAN. What additional configuration is required to enable EVPN signaling?

Configure static routes to the remote VTEPs

Configure OSPF on the VXLAN interface

Configure the VXLAN VNI on the physical interface

Configure BGP with the evpn address family on the loopback interface

A service provider is designing a DCI for multiple customers, each with their own isolated network. They need to ensure that customer traffic is isolated and that the solution can scale to hundreds of customers. Which design consideration is most important?

Scalability of the control plane and data plane

Physical security of the data centers

In a multitenant data center environment, what is the primary purpose of a Data Center Interconnect (DCI)?

To connect two or more geographically separated data centers to enable resource sharing and workload mobility

To replace the need for a firewall between tenants within a single data center

To provide out-of-band management access to network devices in a single data center

To provide high-speed connectivity between servers within the same rack

Which Junos configuration element is used to define a VXLAN virtual network identifier (VNI) for a tenant in a DCI overlay?

A routing instance of type vxlan

During a DCI migration, you are troubleshooting an EVPN-VXLAN issue where hosts in Site A can ping hosts in Site B, but only after a delay of several seconds. The delay is consistent for new flows. What is the most likely cause?

The VXLAN VNI is not configured on the IRB

The underlay OSPF is reconverging

The MTU is too small for VXLAN packets

The EVPN route advertisement is delayed due to BGP timers

Juniper NetworksCertified Specialist, Data Center (JNCIS-DC)

Domain 6Objective 7

Data Center Interconnect JN0-481 Practice Questions (Page 4)

Part of the Data Center Multitenancy domain, which makes up ~20% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–12 in this domain), expect 1–2 from this objective — we provide 24 practice questions to prepare you well beyond it. (estimate)

24questions here

5free pages

5concepts

Questions 16–20

16application · medium
You are configuring EVPN-VXLAN on a Juniper QFX switch. You have already configured the underlay and the routing-instance for the VXLAN. What additional configuration is required to enable EVPN signaling?
Select an answer first
17application · medium
A service provider is designing a DCI for multiple customers, each with their own isolated network. They need to ensure that customer traffic is isolated and that the solution can scale to hundreds of customers. Which design consideration is most important?
Select an answer first
18foundation · easy
In a multitenant data center environment, what is the primary purpose of a Data Center Interconnect (DCI)?
Select an answer first
19foundation · easy
Which Junos configuration element is used to define a VXLAN virtual network identifier (VNI) for a tenant in a DCI overlay?
Select an answer first
20expert · hard
During a DCI migration, you are troubleshooting an EVPN-VXLAN issue where hosts in Site A can ping hosts in Site B, but only after a delay of several seconds. The delay is consistent for new flows. What is the most likely cause?
Select an answer first

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