JNCIE-DC Practice Questions - Juniper Networks Certified Expert, Data Center (JNCIE-DC) Exam - JNCIE-DC Practice Questions - Juniper Networks Certified Expert, Data Center (JNCIE-DC) Exam

Question 1

In a multi-pod EVPN-VXLAN fabric, you are designing VXLAN stitching at a border leaf using ERB (Edge-Routed Bridging). The border leaf must terminate VXLAN tunnels from two internal pods and stitch traffic to an external EVPN-MPLS DCI. Which two forwarding behaviors must the border leaf support simultaneously?

Layer 2 VNI termination for intra-pod BUM flooding and Layer 3 VRF-lite forwarding to the WAN IP-VRF route leaking between overlay VRFs and PE-CE BGP EVPN signaling toward the MPLS core VTEP termination for VXLAN encapsulated frames plus MPLS label imposition for DCI-bound traffic Only MAC-VRF bridging; routing between pods must be handled by a dedicated inter-pod spine

Correct Answer:

VTEP termination for VXLAN encapsulated frames plus MPLS label imposition for DCI-bound traffic

Question 2

You configure an anycast gateway on leaf switches across two EVPN pods. A VM moves from Pod 1 to Pod 2 without changing its IP address. After the move, which EVPN route type ensures the remote spine correctly updates the MAC-IP binding and points traffic to the new VTEP?

Type 1 (Ethernet Auto-Discovery) route Type 2 (MAC/IP Advertisement) route Type 3 (Inclusive Multicast Ethernet Tag) route Type 5 (IP Prefix) route

Correct Answer:

Type 2 (MAC/IP Advertisement) route

Question 3

In a Junos EVPN-VXLAN ERB deployment, you want to enable route leaking between two VRFs (VRF-A and VRF-B) at the leaf level without using a centralized border router. Which Junos configuration construct achieves intra-device inter-VRF leaking for EVPN IP-VRF?

Configure rib-group statements under routing-options to copy routes between inet.0 tables Use logical-systems with explicit route-import policies between each system's master.inet.0 Define instance-import policies referencing the remote VRF's bgp.evpn.0 table using vrf-import Create an IRB interface in each VRF and place them in a shared VLAN to bridge traffic between VRFs

Correct Answer:

Define instance-import policies referencing the remote VRF's bgp.evpn.0 table using vrf-import

Question 4

You are configuring eBGP unnumbered peering between leaf and spine switches in a Junos underlay. Which protocol provides the IPv6 link-local address resolution that makes unnumbered BGP operational on point-to-point links?

DHCPv6 stateless address autoconfiguration (SLAAC) IPv6 Router Advertisement (RA) messages combined with the interface's link-local address OSPFv3 adjacency negotiation, which exchanges link-local addresses as a side effect Static IPv6 address assignment on loopback interfaces exported into BGP

Correct Answer:

IPv6 Router Advertisement (RA) messages combined with the interface's link-local address

Question 5

A JNCIE-DC lab scenario requires you to configure BFD for fast convergence on eBGP sessions in the underlay. After enabling BFD, you notice the sessions are flapping every few seconds. Which configuration parameter should you increase first to stabilize the sessions?

Increase the BGP hold-time to prevent keepalive timeouts Increase the BFD minimum-interval and/or multiplier values Reduce the BFD transmit-interval below 100ms for faster detection Disable BFD liveness-detection on the primary interface and use it only on the backup

Correct Answer:

Increase the BFD minimum-interval and/or multiplier values

Question 1

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Prepare with the JNCIE-DC Practice Questions - Juniper Networks Certified Expert, Data Center (JNCIE-DC) Exam practice quiz. This question bank includes 100 questions covering leaf, evpn, junos, fabric, and configuration. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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JNCIE-DC Practice Questions - Juniper Networks Certified Expert, Data Center (JNCIE-DC) Exam

This practice set contains 100 questions from the matching question bank and focuses on leaf, evpn, junos, fabric, and configuration. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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JNCIE-DC Practice Questions - Juniper Networks Certified Expert, Data Center (JNCIE-DC) Exam

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