New Data Center, Professional (JNCIP-DC) JN0-681 Exam Materials

The end of life of JN0-680 exam for Data Center, Professional (JNCIP-DC) certification was April 10, 2019. After then, you need to answer JN0-681 exam to complete your Juniper JNCIP-DC certification. Juniper JN0-681 exam verifies the candidate’s understanding of data center technologies, related platform configuration, and troubleshooting skills. Here we have Juniper JN0-681 exam materials online to help you prepare for Data Center, Professional (JNCIP-DC) certification exam.

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1. Which EVPN service consists of a single broadcast domain per EVPN instance?

2. You are implementing a Virtual Chassis using QFX5100s and EX4300s in your data center.

In this scenario, which two statements are correct? (Choose two.)

3. A customer notices that all traffic is traveling over a single link within their partially meshed IP Fabric using IBGP. While troubleshooting, the customer notices that the configuration is missing a configuration parameter.

Which parameter would the customer use to solve this problem?

4.

A customer has a 3-stage Clos architecture with three spine devices as shown in the exhibit.

If a single spine device fails, what percentage of the remaining bandwidth will be available from leaf node to leaf node?

5.

Referring to the exhibit, which hardware change would be made to the IP Fabric to ensure an exact 4:1 oversubscription ratio?

6. A customer has built a VXLAN using an EVPN signaling infrastructure with remote facilities with VXLAN using EVPN signaling connected to the Internet. The customer notices that the network is completely stable with no protocol errors in the underlay or overlay. The customer, however, cannot pass any application data across the network.

Which statement would explain the intermittent loss?

7. You have deployed a multicast server attached to a QFX5100 Series device serving as a VTEP.

Which two statements are correct in this scenario? (Choose two.)

8. Which protocol is used between VCF member devices to create a loop-free topology?

9.

Referring to the exhibit, each leaf node is a QFX5100 acting as a VXLAN Layer 2 Gateway using EVPN signaling. Leaf 2 and Leaf 3 are both attached to the same EVPN Ethernet segment. Leaf 2 has been elected the designated forwarder for VLAN 200 on that Ethernet segment.

In this scenario, which two actions will Leaf 1 perform with the broadcast Ethernet frame received from Host A? (Choose two.)

10. You have built a mixed-mode VCF consisting of two QFX5100-24Qs as spines, two QFX5100-48S as leaf nodes, and one EX4300 as a leaf node. The VCF is working for all devices, except the EX4300 40GbE fabric links will not join the VCF.

In this scenario, what must be corrected to solve the connectivity problem?

11. Your server administrator asks you to preserve the inner VLAN tags of the frames coming from a Layer 2 VXLAN Gateway of the EVPN-enabled segment.

Which two parameters must you add to the configuration to allow the VLAN tag to be passed? (Choose two.)

12. Which two statements are correct when performing a unified ISSU? (Choose two.)

13.

Referring to the exhibit, PE1 and PE2 are acting as MPLS Layer 3 VPN PEs to provide the DCI between DC1 and DC2, which are IP Fabrics. Leaf 1 and Leaf 2 are QFX5100 Series devices acting as VXLAN Layer 2 Gateways using EVPN signaling for the same VXLAN segment.

Which statement is correct about the Edge1 device in this scenario?

14.

You are deploying a VXLAN using EVPN signaling overlay network. PE1 and PE2 are multihomed to the connected CE device. You notice that the traffic is not load-balancing as expected.

Referring to the exhibit, which two actions will solve this problem? (Choose two.)

15. In a preprovisioned mixed Virtual Chassis, which statement is correct about converting a 40Gbps QSFP+ to a Virtual Chassis port in an EX4300?

16. You are implementing a Virtual Chassis using QFX5100s and EX4300s in your data center.

In this scenario. which three hardware capabilities are affected? (Choose three.)

17. You are developing an EVPN service between your data centers to enable Layer 2 stretch and Virtual Machine Traffic Optimization (VMTO) operations.

In this scenario, which action must be performed on the IRB interface to accomplish this task?

18. What are two methods used to scale an IBGP IP Fabric? (Choose two.)

19. You are building a mixed-mode Virtual Chassis with two QFX5100-24Qs, four QFX3500-48s, two EX4600-40Fs and two EX4300-48Ts. The Virtual Chassis will not provision.

In this scenario. which statement is correct?

20.

Referring to the exhibit, R1 and R2 are QFX5100 Series devices acting as VXLAN Layer 2 Gateways using PIM-SM signaling for the same VXLAN segment (VNI 5100). The multicast group assigned to VNI 5100 is 239.0.0.1. R1 currently has an entry in its MAC table for Host B.

In this scenario. how will R1 react to receiving the Ethernet frame from Host A?

21. You are deploying 50 QFX5100 switches in your data center. You are asked to explain the benefits of using ZTP during your deployment of these devices.

What is a benefit of this deployment?

22. You are performing an in-service software upgrade (ISSU) on an QFX5100 Series device.

Which two statements are correct in this scenario? (Choose two.)

23. You are asked to design a deployment plan for a large number of QFX Series switches using zero touch provisioning (ZTP). The ZTP deployment plan must ensure all switches are upgraded to the desired software version.

Which DHCP option are suboption combination would be used to accomplish this task?

24.

The VCF shown in the exhibit is not functioning correctly.

What must you do to get the VCF to function properly?

25. What is the endpoint of a VXLAN tunnel?

26.

You have configured a DHCP server for ZTP as shown in the exhibit. Your network contains EX2200 and QFX5100 devices, however, only the EX2200s are receiving the baseline configuration file. You want to ensure that all of the switches in your network receive the baseline configuration file.

Which actions will satisfy this requirement?


 

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