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Juniper
JN0-649: Enterprise Routing and Switching, Professional

Juniper JN0-649 Exam

Certification Provider: Juniper

Exam Name: Enterprise Routing and Switching, Professional

Duration: 90 Minutes

Number of questions in our database: 65

Exam Version: May. 22, 2023

JN0-649 Exam Official Topics:

Topic 1: Describe the concepts, operation, or functionality of BGP/ Describe the concepts, operation, or functionality of IGPs
Topic 2: Load balancing - multipath, multihop, forwarding table/ Interior Gateway Protocols (IGPs)
Topic 3: Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor IGPs/ BGP attributes: concept and operation
Topic 4: Components of IP multicast, including multicast addressing IP multicast traffic flow/ Any-Source Multicast (ASM) vs. Source-Specific Multicast (SSM)
Topic 5: Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor BGP/ BGP route selection process
Topic 6: Given a scenario, demonstrate knowledge of how to configure, troubleshoot, or monitor EVPN/ Describe the concepts, operation, or functionality of Junos EVPN
Topic 7: Demonstrate knowledge of how to configure, troubleshoot, or monitor CoS for Layer 2 or 3 networks/ CoS processing on Junos devices
Topic 8: Describe the concepts, operation, or functionality of Junos CoS for Layer 2/3 networks/ Power over Ethernet (PoE)
Topic 9: Demonstrate knowledge of how to configure, troubleshoot, or monitor IP multicast/ Describe the concepts, operation, or functionality of IP multicast
Topic 10: Demonstrate knowledge of how to configure, troubleshoot, or monitor MSTP or VSTP/ Describe the concepts, operation or functionality of advanced Ethernet switching

Free Juniper JN0-649 Exam Actual Questions

The questions for JN0-649 were last updated On May. 22, 2023

Question #1

When using wide metrics, which two statements about route advertisement between IS-IS levels are correct? (Choose two.)

ALevel 1 and Level 2 routers do not advertise Level 2 routes into the Level 1 area by default.

BLevel 1 routes are advertised to Level 2 routers by default.

CIf wide-metrics-only is configured, Level 1 routes are not advertised to Level 2 routers by default.

DLevel 1 routes advertised as external routes into Level 1 are not advertised to any Level 2 routers by default.

Reveal Solution Hide Solution

Correct Answer: A, C

Question #2

A user is attempting to watch a high-definition video being streamed from the media server over the network. However, the user complains that the experienced video quality is poor. While logged on to router B, a Juniper Networks device, you notice that video packets are being dropped.

In this scenario, what would solve this problem?

AAdjust the scheduler for the expedited-forwarding forwarding class to support a higher transmit rate.

BAdjust the expedited-forwarding BA classifier to router B's ge-0/0/0 interface to support a higher transmit rate.

CAdjust the scheduler-map to support a higher transmit rate.

DAdjust the expedited-forwarding BA classifier on router B's ge-0/0/1 interface to support a higher transmit rate.

Reveal Solution Hide Solution

Correct Answer: A

transmit rate is set on the scheduler, BA and classifier do not have transmit rate. scheduler-map=maps schedulers to fwd classes

Question #3

You are troubleshooting connectivity between an EVPN spine switch configured as a route reflector and a leaf node with an IP address of 10.30.100.6.

Referring to the exhibit, what is the problem?

AThe neighbor 10.30.100.3 statement is missing from leaf1's configuration.

BThe spine node is not configured for the family inet NLRI.

CThe neighbor 10.30.100.6 statement is missing from spine1's configuration.

DThe leaf node is not configured for the family evpn NLRI.

Reveal Solution Hide Solution

Correct Answer: B

Question #4

In this scenario, what would solve this problem?

AAdjust the scheduler for the expedited-forwarding forwarding class to support a higher transmit rate.

BAdjust the expedited-forwarding BA classifier to router B's ge-0/0/0 interface to support a higher transmit rate.

CAdjust the scheduler-map to support a higher transmit rate.

DAdjust the expedited-forwarding BA classifier on router B's ge-0/0/1 interface to support a higher transmit rate.

Reveal Solution Hide Solution

Correct Answer: A

transmit rate is set on the scheduler, BA and classifier do not have transmit rate. scheduler-map=maps schedulers to fwd classes

Question #5

Referring to the exhibit, which statement is correct?

AThe route is learned from a multihop BGP session.

BThe route is learned from only one neighbor.

CThe route is learned from a multipath BGP session.

DThe route is learned from three different neighbors.

Reveal Solution Hide Solution

Correct Answer: B

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