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Juniper JN0-648 Exam

Certification Provider: Juniper
Exam Name: Enterprise Routing and Switching, Professional
Duration: 65 Minutes
Number of questions in our database: 90
Exam Version: Aug. 01, 2022
JN0-648 Exam Official Topics:
  • Topic 1: Components of IP multicast, including multicast addressing/ BGP attributes: concept and operation
  • Topic 2: CoS processing on Junos devices/ Load balancing - multipath, multihop, forwarding table
  • Topic 3: Rendezvous point (RP): concept, operation, discovery, and election/ Describe the concepts, operation, or functionality of BGP
  • Topic 4: Describe the concepts, operation, or functionality of IP multicast/ Tunnel Layer 2 traffic through Ethernet networks
  • Topic 5: Considerations when using multiple authentication/access control methods/ Layer 2 tunneling using Q-in-Q and L2PT
  • Topic 6: Demonstrate knowledge of how to configure, troubleshoot, or monitor IGPs/ Any-Source Multicast (ASM) vs. Source-Specific Multicast (SSM)
  • Topic 7: Demonstrate how to configure, troubleshoot, or monitor Layer 2 authentication or access control/ BGP route selection process
  • Topic 8: Demonstrate knowledge of how to configure, troubleshoot, or monitor BGP/ Describe the concepts, operation, or functionality of IGPs
  • Topic 9: Describe the concepts, operation, or functionality of advanced Ethernet switching/ PIM dense-mode and sparse-mode
  • Topic 10: Describe the concepts, operation, or functionality of Junos CoS for Layer 2 or 3 networks/ Dynamic VLAN registration using MVRP

Free Juniper JN0-648 Exam Actual Questions

The questions for JN0-648 were last updated On Aug. 01, 2022

Question #1

Click the Exhibit button.

Which well-known community needs to be used to restrict 10.0.0.0/8 from being advertised to AS 2?

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Correct Answer: D

https://routersysco.wordpress.com/2011/12/21/bgp-community-attribute-no-advertise-no-export/#:~:text=%2Dno%2Dadvertise%20means%E2%80%94Do,this%20route%20within%20an%20AS.

no-advertise---Routes in this community name must not be advertised to other BGP peers.

no-export---Routes in this community must not be advertised outside a BGP confederation boundary. A stand alone autonomous system that is not part of a confederation should be considered a confederation itself.

no-export-subconfed---Routes in this community must not be advertised to external BGP peers, including peers in other members' ASs inside a BGP confederation.


Question #2

Your IPv4 multicast network uses different MX Series routers for the source DR and the PIM sparse-mode RP.

What is required before PIM register messages are exchanged between the DR and RP routers?

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Correct Answer: C

Question #3

Click the Exhibit button.

During an outage, you review the status of the Q-in-Q implementation on VLAN 300.

Referring to the exhibit, what would be the cause of the outage?

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Correct Answer: D

Question #4

Click the Exhibit button.

You receive the same 75.100.0.0/16 route from all four ISPs to which you are connected.

Referring to the exhibit, which ISP's route will be selected as active?

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Question #5

Which two statements about OSPF routing policies are correct? (Choose two.)

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Correct Answer: A, C


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