Juniper JN0-681 Online Practice Questions and Exam Preparation

Juniper JN0-681 Online Questions & Answers

• Question 1:

  You want to ensure high availability of the Junos devices in your data center.

  In this scenario, which three features would accomplish this task? (Choose three.)

  A. Virtual Router Redundancy Protocol
  B. Multiple Spanning Tree Protocol
  C. dual Routing Engines
  D. virtual private LAN service
  E. graceful Routing Engine switchover
  A. Virtual Router Redundancy Protocol
  C. dual Routing Engines
  E. graceful Routing Engine switchover

• Question 2:

  Referring to the exhibit, what would cause the problem on VCP 0/50?

  

  A. The VCP has been disabled through configuration.
  B. The remote side is not configured as a VCP.
  C. VCP 0/50 is configured as a network port.
  D. The port is missing the interface hardware.
  A. The VCP has been disabled through configuration.

• Question 3:

  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.
  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.

• Question 4:

  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)
  B. PIM register message

• Question 5:

  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
  A. multicast group
  D. VNI

• Question 6:

  You are deploying a VXLAN using EVPN signalling overlay network in your new data center. You are able to establish your MP-BGP peering sessions and see your EVPN routes, but traffic will not traverse the VXLAN using EVPN signalling overlay network.

  What is a solution to this problem?

  A. Increase the MTU on the logical VTEP source interface of all devices participating in VXLAN using EVPN signaling.
  B. Enable the mtu-discovery feature on the MP-BGP peering sessions between all VXLANs using EVPN signalling peers.
  C. Increase the protocol MTU on all devices participating in VXLAN using EVPN signalling.
  D. Increase the physical MTU on all ports on all devices participating in VXLAN using EVPN signalling.
  D. Increase the physical MTU on all ports on all devices participating in VXLAN using EVPN signalling.

• Question 7:

  What are two valid types of VXLAN signaling? (Choose two.)

  A. EVPN
  B. RSVP
  C. RSTP
  D. MPLS
  A. EVPN
  D. MPLS

• Question 8:

  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.
  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.

• Question 9:

  Which protocol replicates forwarding information between MC-LAG peers?

  A. VCCP
  B. ICCP
  C. VRRP
  D. LLDP
  B. ICCP

• Question 10:

  Your manager asks you to secure ARP and DHCP traffic across your local Ethernet links. In this scenario, which technology will accomplish this task?

  A. SSL
  B. a firewall filter
  C. IPsec
  D. MACsec
  D. MACsec