Most Recent Juniper JN0-649 Exam Questions & Answers

Prepare for the Juniper Enterprise Routing and Switching, Professional exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Juniper JN0-649 exam and achieve success.

The questions for JN0-649 were last updated on Nov 21, 2024.

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Question No. 1

Your enterprise network is running BGP VPNs to support multitenancy. Some of the devices with which you peer BGP do not support the VPN NLRI. You must ensure that you do not send BGP VPN routes to the remote peer.

Which two configuration steps will satisfy this requirement? (Choose two.)

AConfigure an import policy on the remote peer to reject the routes when they are received.

BConfigure an export policy on the local BGP peer to reject the VPN routes being sent to the remote peer.

CConfigure a route reflector for the VPN NLRI.

DConfigure the apply-vpn-export feature on the local BGP peer.

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Correct Answer: B, D

Apply both the VRF export and BGP group or neighbor export policies (VRF first, then BGP) before routes from the vrf or l2vpn routing tables are advertised to other PE routers.

https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/ref/statement/vpn-apply-export-edit-protocols-bgp-vp.html

Question No. 2

What are two similarities between OSPFv2 and OSPFv3? (Choose two.)

Avirtual links

Bsupport for multiple instances per link

C32-bit router ID

Dprotocol processing per link, not per subnet

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Correct Answer: A, C

Question No. 3

Referring to the exhibit, how will router E quickly learn that the remote MAC addresses are no longer reachable through the router attached to the failed link?

ARouter E receives Type 2 withdrawal messages from router D.

BRouter E receives Type 1 withdrawal messages from router D.

CRouter E receives Type 1 withdrawal messages from router C.

DRouter E receives Type 2 withdrawal messages from router C.

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Correct Answer: B

Question No. 4

Remote branches connect to the corporate WAN through access switches. The access switches connect to access ports on the WAN distribution switch, as shown in the exhibit. L2PT has previously been configured on the tunnel Layer 2 traffic across the WAN. You decide to move the L2PT tunnel endpoints to the access switches. When you apply the L2PT configuration to the access switches, the ports that connect the access switches to the distribution switch shut down.

Which action would solve this problem?

AConfigure the links between the access switches and the distribution switch as a trunk port.

BDisable the BPDU block function on the access switches.

CDisable the BPDU block function on the distribution switch.

DConfigure a GRE tunnel to encapsulate the L2PT traffic across the WAN.

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Correct Answer: A

Access interfaces in an L2PT-enabled VLAN should not receive L2PT-tunneled PDUs. If an access interface does receive L2PT-tunneled PDUs, there might be a loop in the network, and the device will shut down the interface. https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/topic-map/layer-2-protocol-tunneling.html

Question No. 5

Your EX Series switch has IP telephones and computers connected to a single switch port. You are considering implementing the voice VLAN feature to help with this setup.

In this scenario, which two statements are correct? (Choose two.)

AThe voice VLAN feature must be used with LLDP-MED to associate VLAN ID and 802.1p values with the traffic.

BThe interfaces must be configured as access ports.

CAssigning the incoming voice and data traffic to separate VLANs enables the ability to prioritize the traffic using CoS.

DThe voice VLAN feature will enable incoming tagged data and voice traffic to be associated with separate VLANs.

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Correct Answer: B, C

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