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JN0-681 Online Practice Questions and Answers

Questions 4

You are designing a Layer 3 fabric underlay using EBGP. You will implement an EVPN-signaled VXLAN overlay on the Layer 3 fabric.

In this scenario, what must you do in the underlay to ensure that the VXLAN overlay will be able to function properly?

A. The underlay should advertise the host-connected interfaces on all leaf devices.

B. Each device in the underlay should advertise its loopback address.

C. The underlay should be configured with a separate VRF for each potential tenant.

D. The underlay should support the PIM protocol.

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Questions 5

You are configuring VXLAN, and you must ensure that all switches for the multicast groups advertise their existence and learn about other VTEPs.

In this scenario, which protocol will accomplish this task?

A. OSPF

B. BGP

C. EVPN

D. PIM

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Questions 6

A VXLAN adds 50 to 54 bytes of extra header information to an Ethernet frame. In this scenario, how would you accommodate this increase?

A. Decrease the number VXLANs used.

B. Increase the MTU on the physical interface connected to the VXLAN network.

C. Only use switches as VTEPs.

D. Increase the MTU on the VTEP interface connected to the VXLAN network.

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Questions 7

A company wants to expand their hosting business and is seeking solutions to support 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?

A. routing instances

B. tenant systems

C. logical systems

D. bridge domains

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Questions 8

After configuring an IP fabric using EBGP as your routing protocol, you notice that not all of the routes are showing up in the routing tables. You have verified that all adjacencies have formed, and that all policies are in place and configured properly.

In this scenario, which statement is true?

A. The routers have not been configured with the multipath multiple-as parameter.

B. The routers have not been configured using the add-path parameter.

C. The routers have not been configured using the bfd-liveness-detection parameter.

D. The routers have not been configured using the multihop parameter.

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Questions 9

Host1 and host2 are connected to an EVPN signaled VXLAN overlay, and must have Layer 3 connectivity. The VNI and VLAN assignments are shown in the exhibit.

In this scenario, which two statements are true? (Choose two.) A. The ESI assigned to the host1 link will be different from the ESI assigned to the host2 link.

B. The VNI assigned to the host1 link must be the same as the VNI assigned to the host2 link.

C. A Layer 3 gateway can be configured on the spine devices.

D. A Layer 3 gateway can be configured on the leaf devices.

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Questions 10

You are configuring an IP Fabric in your data center and you are trying to load-balance traffic across multiple equal-cost BGP routes. You have enabled multipath, but the traffic is not being load-balanced.

Referring to the exhibit, what will solve this problem?

A. You should apply the load-balance policy as an import policy to the forwarding table.

B. You should apply the load-balance policy as an import policy for the BGP neighbor.

C. You should apply the load-balance policy as an export policy to the forwarding table.

D. You should apply the load-balance policy as an export policy to the BGP neighbor.

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Questions 11

You are asked to enable plug-and-play for future line card switches in an active VCF without making any future Junos configuration changes. You are also required to ensure that all new line cards are automatically upgraded to the correct Junos version without any manual intervention.

In this scenario, which two actions will accomplish this task? (Choose two.)

A. Ensure that the newly inserted line card's MAC addresses are present in the DHCP configuration for ZTP.

B. Configure the auto-sw-update parameter on the VCF before inserting new line cards.

C. Set the Virtual Chassis as pre-provisioned before the line cards are inserted.

D. Set the Virtual Chassis as auto-provisioned before the line cards are inserted.

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Questions 12

You are asked to configure VXLAN for your data center using multicast to exchange VTEP information.

In this scenario, which two configuration parameters must match on the VTEPs in the same VXLAN segment? (Choose two.)

A. multicast group

B. VLAN ID

C. routing instance name

D. VNI

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Questions 13

In the exhibit, VM1 is part of the same VXLAN segment as VM3.

Which type of message will VTEP B initially send to the RP so that VM3 can communicate with VM1?

A. PIM join

B. PIM register message

C. IGMP Join (S,G)

D. IGMP Join (*,G)

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Exam Code: JN0-681
Exam Name: New Data Center, Professional
Last Update: May 07, 2024
Questions: 65 Q&As

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