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Juniper JN0-649 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor EVPN
  • Describe the concepts, operation, or functionality of Junos EVPN
Topic 2
  • Demonstrate knowledge of how to configure, troubleshoot, or monitor MSTP or VSTP
  • Describe the concepts, operation or functionality of advanced Ethernet switching
Topic 3
  • Load balancing - multipath, multihop, forwarding table
  • Interior Gateway Protocols (IGPs)
Topic 4
  • Demonstrate knowledge of how to configure, troubleshoot, or monitor CoS for Layer 2 or 3 networks
  • CoS processing on Junos devices
Topic 5
  • Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IGPs
  • BGP attributes: concept and operation
Topic 6
  • Describe the concepts, operation, or functionality of BGP
  • Describe the concepts, operation, or functionality of IGPs
Topic 7
  • Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor BGP
  • BGP route selection process

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Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions (Q21-Q26):

NEW QUESTION # 21
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.)

  • A. Configure an import policy on the remote peer to reject the routes when they are received.
  • B. Configure a route reflector for the VPN NLRI.
  • C. Configure the apply-vpn-export feature on the local BGP peer.
  • D. Configure an export policy on the local BGP peer to reject the VPN routes being sent to the remote peer.

Answer: C,D

Explanation:
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


NEW QUESTION # 22
A BGP network has been designed to provide resiliency and redundancy to a multihomed customer network.
Which two statements are correct in this scenario? (Choose two.)
JN0-649-a634df04707374cec49f3f4282337a2f.jpg

  • A. A routing policy will be required to forward traffic to both next hops.
  • B. Both the next hops will be used to forward traffic to R2.
  • C. The TTL value of 1 is set to limit the scope of the EBGP session.
  • D. The ttl statement must be configured to accommodate peering to a loopback address of a directly connected peer.

Answer: A,D


NEW QUESTION # 23
You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.
Referring to the exhibit, which configuration statement would solve the problem?
JN0-649-ba3a11202a46fdb763aeb3d22895ba60.jpg

  • A. set protocols bgp group BGP-HESH import NHS
  • B. set policy-option, policy-statement NHS term BGP_ROUTES from external
  • C. delete protocols bgp group BGP-MESH peer-as
  • D. delete protocol bop group BGP-MESH export NH3

Answer: B


NEW QUESTION # 24
You must provide network connectivity to hosts that fail authentication. In this scenario, what would be used in a network secured with 802.1X to satisfy this requirement?

  • A. Configure a secondary IP address on the port for unauthenticated hosts.
  • B. Configure the native-vlan-id parameter on the port.
  • C. Use the server-reject-vlan command to specify a guest VLAN.
  • D. Configure the port as a spanning tree edge port.

Answer: C


NEW QUESTION # 25
Which statement is true regarding LLDP advertisements?

  • A. LLDP communicates device information to neighbors
  • B. LLDP communicates VLAN information to VoIP devices
  • C. LLDP communicates power requirements from PoE enabled devices
  • D. LLDP communicates CoS values to VoIP devices

Answer: A


NEW QUESTION # 26
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