Juniper jn0-681 practice test

new data center, professional

Last exam update: Nov 30 ,2025
Page 1 out of 4. Viewing questions 1-10 out of 32

Question 1

You are implementing perimeter security for your data center. You need to inspect all traffic at Layer 7 and ensure the failure of a port or device will not result in an interruption to traffic flows.
In this scenario, which design would satisfy these requirements?

  • A. SRX using LAG
  • B. MX with MC-LAG
  • C. QFX Virtual Chassis
  • D. SRX chassis cluster
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Answer:

d

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Question 2

What is the purpose of the command shown in the exhibit?

  • A. to stop the transmission of transit multicast traffic when there are no interested receivers attached to a remote VTEP.
  • B. to disallow IGMP requests for the group 239.0.0.1 from hosts attached to the local VTEP.
  • C. to disable the multicast group 239.0.0.1 across the entire VXLAN.
  • D. to stop the reception of transit multicast traffic when there are no interested receivers attached to the local VTEP.
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Answer:

a

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Question 3

You have deployed a VXLAN as shown in the exhibit Leaf1, leaf3, spine1, and spine2 have been configured as VTEPs. Host1 cannot communicate with host2.

Referring to the exhibit, how would you solve this problem?

  • A. The VLAN ID on the link connected to host2 must be changed to VLAN 100.
  • B. A DCI connection must be created between the VLANs.
  • C. A Layer 3 VXLAN gateway must be configured on at least one of the devices.
  • D. Host1 and host2 must be placed in the same VRF.
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Answer:

c

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Question 4

Which two statements are true about Virtual Chassis? (Choose two.)

  • A. The request virtual-chassis mode fabric reboot command will set the Virtual Chassis to fabric mode with similar devices.
  • B. The request virtual-chassis mode fabric reboot command will set the Virtual Chassis to mixed mode.
  • C. By default, Junos switches are in a non-mixed mode Virtual Chassis.
  • D. By default, Junos switches are in mixed mode Virtual Chassis.
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Answer:

bc

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Question 5

You are configuring an EVPN overlay network. You want to ensure that leaf devices can respond to ARP requests from locally connected hosts, when the leaf device knows the MAC of the intended destination.
In this scenario, what should you configure on the leaf devices to accomplish this task?

  • A. proxy ARP
  • B. static ARP entries
  • C. persistent MAC learning
  • D. IGMP snooping
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Answer:

a

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Question 6

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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Answer:

cd

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Question 7

Referring to the exhibit, not all routes are being exchanged by EBGP peers.

In this scenario, which BGP parameter would solve this problem?

  • A. multihop
  • B. multipath
  • C. multipath multiple-as
  • D. as-override
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Answer:

d

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Question 8

Devices spine1 and spine2 have been configured as distributed Layer 3 gateways in the VXLAN topology, and devices leaf1 and leaf3 have been configured as
Layer 2 gateways. Device host1 must be able to communicate with device host2.

Referring to the exhibit, which two statements are true? (Choose two.)

  • A. An IRB interface must be configured on devices leaf1 and leaf2.
  • B. Traffic from host1 to host2 will transit the VXLAN tunnel from leaf1 to leaf3.
  • C. Traffic from host1 to host2 will transit a VXLAN tunnel to spine1 or spine2, then a VXLAN tunnel from spine1 or spine2 to leaf3.
  • D. An IRS interface must be configured on devices spine1 and spine2.
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Answer:

cd

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Question 9

You are asked to design a deployment plan for a large number of QFX Series switches using ZTP. The ZTP deployment plan must ensure all switches are configured with their designated configuration file.
Which DHCP option and suboption combination would be used to accomplish this task?

  • A. DHCP option 43 with a suboption of 00
  • B. DHCP option 66 with a suboption of 00
  • C. DHCP option 66 with a suboption of 01
  • D. DHCP option 43 with a suboption of 01
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Answer:

a

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Question 10

What are three functions supported by the Contrail Command user interface? (Choose three.)

  • A. enabling VM-to-BMS bridging
  • B. onboarding of an IP Fabric
  • C. configuring management domains
  • D. integrated syslog collector
  • E. creating virtual networks
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Answer:

cde

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