Juniper jn0-649 practice test

enterprise routing and switching, professional (jncip-ent)

Last exam update: Oct 15 ,2024
Page 1 out of 7. Viewing questions 1-10 out of 65

Question 1

Click the Exhibit button.
You are troubleshooting an EVPN-VXLAN IP fabric and observe the loop shown in the exhibit.
Which two steps would you take to further troubleshoot this problem? (Choose two.)

  • A. Verify that the same ESI is configured on the link from the host and that it matches the source.
  • B. Issue the show route table bgp.evpn.0 command on Leaf2 and verify that Type 4 routes are present.
  • C. Issue the show route table bgp.evpn.0 command on Leaf2 and verify that Type 3 routes are present.
  • D. Verify that the same ESI is configured on the two links from the source.
Mark Question:
Answer:

bc

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Question 2

Click the Exhibit button.
You are asked to establish full connectivity between all devices in the BGP network.
Referring to the exhibit, which two configuration changes will allow BGP route advertisements? (Choose two.)

  • A. On R2, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
  • B. On R1 and R3, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
  • C. On R1 and R3, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
  • D. On R2, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
Mark Question:
Answer:

bd

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Question 3

You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must be automatically provided with the correct VLAN ID needed for sending voice traffic to the EX Series switches.
In this scenario, which two solutions are required to accomplish this task? (Choose two.)

  • A. Enable LLDP-MED on appropriate access interfaces.
  • B. Create two VLANs and assign them as VLAN members to the appropriate access interfaces.
  • C. Enable the voice VLAN feature with the appropriate access interfaces and VLAN ID for voice traffic.
  • D. Use LLDP on appropriate interfaces.
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Answer:

ac

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Question 4

Which three statements are correct about EVPN route types? (Choose three.)

  • A. Type 3 routes carry replication information.
  • B. Type 2 routes carry endpoint MAC address information.
  • C. Type 2 routes carry endpoint IP address information.
  • D. Type 5 routes carry replication information.
  • E. Type 1 routes carry endpoint MAC address information.
Mark Question:
Answer:

bce

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Question 5

BGP multipath or multihop are not configured in your network.
In this scenario, what is the correct sequence for BGP active route selection?

  • A. higher local preferenceshortest AS pathlowest peer addresslowest router IDlower origin code
  • B. higher local preferenceshortest AS pathlower origin codelowest router IDlowest peer address
  • C. higher local preferencelowest router IDlowest peer addresslower origin codeshortest AS path
  • D. higher local preferenceshortest AS pathlowest router IDlowest peer addresslower origin code
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Answer:

d

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Question 6

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 an export policy on the local BGP peer to reject the VPN routes being sent to the remote peer.
  • C. Configure a route reflector for the VPN NLRI.
  • D. Configure the apply-vpn-export feature on the local BGP peer.
Mark Question:
Answer:

bd

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Question 7

Which two multicast listener registration protocols are supported in the Junos operating system? (Choose two.)

  • A. MLD
  • B. DVMRP
  • C. IGMP
  • D. PIM
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Answer:

ac

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Question 8

A modified deficit round-robin scheduler is defined by which three variables? (Choose three.)

  • A. priority
  • B. WRED
  • C. transmit rate
  • D. Layer 3 fields
  • E. buffer size
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Answer:

abc

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Question 9

You are deploying new Juniper EX Series switches in a network that currently is using Ciscos Per-VLAN spanning tree plus (PVST+) and you must provide compatibility with this environment.
Which spanning tree protocol do you deploy in this scenario?

  • A. STP
  • B. MSTP
  • C. VSTP
  • D. RSTP
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Answer:

b

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Question 10

In OSPF, how does a router ensure that LSAs advertised to a neighboring router are received?

  • A. LSA flooding guarantees that all routers will receive them successfully.
  • B. LSAs are sent over a TCP connection.
  • C. LSAs are acknowledged by the neighboring router.
  • D. LSAs are advertised with an acknowledgement bit.
Mark Question:
Answer:

c

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