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Juniper JN0-664 Exam

Certification Provider: Juniper
Exam Name: Service Provider Routing and Switching, Professional Exam
Duration: 90 Minutes
Number of questions in our database: 65
Exam Version: May. 24, 2023
JN0-664 Exam Official Topics:
  • Topic 1: Designated router/backup designated router operation/ Metrics, including external metric types
  • Topic 2: Designated intermediate system (DIS) operation/ Describe the concepts, operation, or functionality of IS-IS
  • Topic 3: Full mesh versus hub-and-spoke topology/ Next-generation multicast virtual private networks (MVPNs)
  • Topic 4: Route summarization and route leaking/ Link-state advertisement (LSA) flooding through an OSPF multi-area network
  • Topic 5: Describe the concepts, operation, or functionality of EVPN/ Media access control (MAC) learning and distribution
  • Topic 6: Describe the concepts, operation, or functionality of BGP scaling mechanisms/ Given a scenario, demonstrate knowledge of how to configure or monitor BGP
  • Topic 7: Traffic flow?control and data planes/ Describe Junos OS support for carrier-of-carriers or inter-provider VPN models
  • Topic 8: Describe the concepts, operation, or functionality of OSPFv2 and OSPFv3/ Label-switched path (LSP) flooding through an IS-IS multi- area network
  • Topic 9: Given a scenario, demonstrate knowledge of how to configure or monitor single-area or multi-area OSPF/ Describe the concepts, operation, or functionality of BGP
  • Topic 10: Given a scenario, demonstrate knowledge of how to configure or monitor CoS/ Given a scenario, demonstrate knowledge of how to configure or monitor single-area or multi-area IS-IS

Free Juniper JN0-664 Exam Actual Questions

The questions for JN0-664 were last updated On May. 24, 2023

Question #1

You are configuring a BGP signaled Layer 2 VPN across your MPLS enabled core network. In this scenario, which statement is correct?

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Question #3

Your organization manages a Layer 3 VPN for multiple customers To support advanced route than one BGP community on advertised VPN routes to remote PE routers.

Which routing-instance configuration parameter would support this requirement?

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Correct Answer: C

The vrf-target export parameter is used to specify one or more BGP extended community attributes that are attached to VPN routes when they are exported from a VRF routing instance to remote PE routers. This parameter allows you to control which VPN routes are accepted by remote PE routers based on their import policies. You can specify more than one vrf-target export value for a VRF routing instance to support advanced route filtering or route leaking scenarios.


Question #4

Exhibit

A network designer would like to create a summary route as shown in the exhibit, but the configuration is not working.

Which three configuration changes will create a summary route? (Choose three.)

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Correct Answer: B, C, D

To create a summary route for IS-IS, you need to configure a policy statement that matches the prefixes to be summarized and sets the next-hop to discard. You also need to configure a summary-address statement under the IS-IS protocol hierarchy that references the policy statement. In this case, the policy statement leak-v6 is trying to match the prefix 2001:db9:a:fa00::/61 exactly, but this prefix is not advertised by any router in the network. Therefore, no summary route is created. To fix this, you need to delete the longer keyword from the route-filter term and change the prefix length to /61 exact. This will match any prefix that falls within the /61 range. You also need to delete the export statement under protocols isis, because this will export all routes that match the policy statement to other IS-IS routers, which is not desired for a summary route.


Question #5

Exhibit

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

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Correct Answer: B, C

This is an EVPN Type-2 route, also called a MAC/IP advertisement route, that is used to advertise host IP and MAC address information to other VTEPs in an EVPN network. The route type field in the EVPN NLRI has a value of 2, indicating a Type-2 route. The device advertising this route into EVPN is 192.168.101.5, which is the IP address of the VTEP that learned the host information from the local CE device. This IP address is carried in the MPLS label field of the route as part of the VXLAN encapsulation.



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