[Q67-Q91] Get Prepared for Your JN0-649 Exam With Actual Juniper Study Guide!

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Get Prepared for Your JN0-649 Exam With Actual Juniper Study Guide!

Pass Your Next JN0-649 Certification Exam Easily & Hassle Free

The JN0-649 Certification Exam covers a wide range of topics, including Layer 2 switching technologies, Layer 3 routing technologies, BGP protocols, IP multicast, security features, and high availability features. Professionals who pass the certification exam will demonstrate that they have a good understanding of Juniper’s enterprise routing and switching technologies and their applications in real-world scenarios. They will also be able to configure and troubleshoot complex networks that use Juniper technologies.

NO.67 You are asked to configure 802.1X on your access ports to allow only a single device to authenticate.
In this scenario, which configuration would you use?

single supplicant mode

multiple supplicant mode

single-secure supplicant mode

MAC authentication mode

NO.68 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?

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

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

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

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

NO.69 Your network has an unmanaged switch between the hosts and your EX Series switch. After the traffic enters the EX Series switch, each host must be on a separate VLAN.
How would you accomplish this task?

Configure an input firewall filter on interface ge-0/0/3 to match the source MAC or IP address of the hosts to assign the VLANs.

Configure an output firewall filter on interface ge-0/0/1 to match the destination MAC or IP address of the hosts to assign the VLANs.

Configure interface ge-0/0/3 to a mode trunk to assign the VLANs.

Configure VSTP on interface ge-0/0/1 to assign the VLANs.

NO.70 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?

set protocols bgp group BGP-HESH import NHS

delete protocols bgp group BGP-MESH peer-as

set policy-option, policy-statement NHS term BGP_ROUTES from external

delete protocol bop group BGP-MESH export NH3

NO.71 You are asked to implement fault tolerant RPs in your multicast network.
Which two solutions would accomplish this behavior? (Choose two.)

Use BFD with statically defined RPs.

Use MSDP with statically defined RPs.

Use anycast PIM with statically defined RPs.

Use IGMPv3 with statically defined RPs.

NO.72 Referring to the exhibit, traffic ingresses on interface ge-0/0/3 and egresses on interface ge-0/0/4.
Which queue does traffic with the IP precedence value of 100 use?

network-control

assured-forwarding

best-effort

expedited-forwarding

NO.73 Referring to the exhibit, anycast RP is implemented to ensure multicast service availability. The source is currently sending multicast traffic using group 239.1.1.1 and R3 is receiving PIM register messages, but R2 does not have active source information.
In this scenario, what are two methods to receive the active source information on R2? (Choose two.)

Configure an RP set in PIM on R1, allowing R1 to forward PIM register messages to R2 and R3 in the set.

Configure an MSDP protocol between R2 and R3.

Configure an RP set in PIM on R2 and R3, allowing the RPs to forward PIM register messages to the other RPs in the set.

Configure an MSDP protocol between R1 and R2.

NO.74 A Layer 2 connection does not expend across data centers. The IP subnet in a Layer 2 domain is confined within a single data center.
Which EVPN route type is used to communicate prefixes between the data centers?

Type 1

Type 2

Type 4

Type 5

NO.75 Which three statements are correct about EVPN route types? (Choose three.)

Type 3 routes carry replication information.

Type 2 routes carry endpoint MAC address information.

Type 2 routes carry endpoint IP address information.

Type 5 routes carry replication information.

Type 1 routes carry endpoint MAC address information.

NO.76 Referring to the exhibit, which statement is correct?

The route is learned from a multihop BGP session.

The route is learned from only one neighbor.

The route is learned from a multipath BGP session.

The route is learned from three different neighbors.

NO.77 Referring to the exhibit, anycast RP is implemented to ensure multicast service availability. The source is currently sending multicast traffic using group 239.1.1.1 and R3 is receiving PIM register messages, but R2 does not have active source information. In this scenario, what are two methods to receive the active source information on R2? (Choose two.)

Configure an RP set in PIM on R1, allowing R1 to forward PIM register messages to R2 and R3 in the set.

Configure an MSDP protocol between R2 and R3.

Configure an RP set in PIM on R2 and R3, allowing the RPs to forward PIM register messages to the other RPs in the set.

Configure an MSDP protocol between R1 and R2.

NO.78 You are asked to configure an 802.1X solution that supports dynamic VLAN assignment.
In this scenario, which two modes support using vendor-specific attributes (VSAs)? (Choose two.)

static MAC bypass mode

single-secure supplicant mode

multiple supplicant mode

single supplicant mode

NO.79 Which three statements are correct about EVPN route types? (Choose three.)

Type 3 routes carry replication information.

Type 2 routes carry endpoint MAC address information.

Type 2 routes carry endpoint IP address information.

Type 5 routes carry replication information.

Type 1 routes carry endpoint MAC address information.

NO.80 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.)

Verify that the same ESI is configured on the link from the host and that it matches the source.

Issue the show route table bgp.evpn.0 command on Leaf2 and verify that Type 4 routes are present.

Issue the show route table bgp.evpn.0 command on Leaf2 and verify that Type 3 routes are present.

Verify that the same ESI is configured on the two links from the source.

NO.81 What allows non-Web enabled devices to access the network on a port configured for captive portal?

A MAC address white list can be configured on the switch to allow specific MAC addresses to bypass the captive portal process.

LLDP can be used to query the type of device that is attempting to access the network, and predefined device types can be allowed to bypass the captive portal process.

Captive portal can be configured to only prompt for credentials when HTTP or HTTPS traffic is requested on a port to allow on-HTTP enabled devices access to the network.

Authentication credentials for specific devices can be preconfigured on the switch for automatic authentication.

NO.82 Which address range is used for source-specific multicast?

239.0.0.0/8

233.0.0.0/8

232.0.0.0/8

224.2.0.0/16

NO.83 Referring to the exhibit, there are multiple ASM groups in the 224 0 0.0/4 range Which configuration change is needed to ensure R1 is always the RP for group 224.224.1.1?

Increase the priority on R1 to higher than R2

Configure R1 with a higher local RP address

Set the priority on R1 to zero

Ensure R1 has a more specific group range

NO.84 Your network has an unmanaged switch between the hosts and your EX Series switch. After the traffic enters the EX Series switch, each host must be on a separate VLAN.
How would you accomplish this task?

Configure an input firewall filter on interface ge-0/0/3 to match the source MAC or IP address of the hosts to assign the VLANs.

Configure an output firewall filter on interface ge-0/0/1 to match the destination MAC or IP address of the hosts to assign the VLANs.

Configure interface ge-0/0/3 to a mode trunk to assign the VLANs.

Configure VSTP on interface ge-0/0/1 to assign the VLANs.

NO.85 You are implementing the route summarization feature of OSPF.
Which two results do you achieve in this scenario? (Choose two.)

It helps in migrating to future multi-area OSPF network designs.

It reduced the routing table size, enabling devices to store and process less information.

It reduces the impact of topology changes on a device.

It provides optimal routing in the network.

NO.86 Referring to the outputs shown in the exhibit, which two statements are correct about the IS-IS adjacency? (Choose two.)

R1 is configured to participate in both Level 1 and Level 2.

R2 is configured to participate in both Level 1 and Level 2.

R1 is configured to participate in Level 2 only.

R2 is configured to participate in Level 2 only.

NO.87 What is the correct authentication processing order on EX Series switches when multiple Layer 2 authentication methods are enabled?

captive portal-> MAC RADIUS -> 802.1x

802.1x-> captive portal -> MAC RADIUS

MAC RADIUS -> 1x -> captive portal

802.1x -> MAC RADIUS -> captive portal

NO.88 Click the Exhibit.

You have just configured on an OSPF adjacency between two routers. After you commit the configuration, you notice that your adjacency is not up.
Referring to the exhibit, what would cause the problem?

You must configure lo on R2.

You must configure hello and dead intervals on R1.

You must configure on interface-type o n R2.

You must configure bfd on R2.

NO.89 Referring to the exhibit, which two statements are correct? (Choose two.)

The host that the route is associated with is multihomed to two leaf nodes.

The route is a Type 1 EVPN route.

The route is a Type 2 EVPN route.

The host that the route is associated with is single-homed to one leaf node.

NO.90 Referring to the exhibit, which statement is correct when a failure exists on the link between host2 and switch5 on this EVPN-VXLAN fabric?

The switch5 device will send a Type 2 route to all peers.

The switch5 device will send a Type 4 route to all peers.

The switch5 device will send a Type 1 route to all peers.

The switch5 device will send a Type 3 route to all peers.

NO.91 You are deploying IP phones to a customer site. The IP phones will be installed to share a common access port with the user’s desktop computer. You are required to provide a mechanism to place user data traffic and voice traffic in different VLANs for class-service application How would you implement this solution?

Configure flexible VLAN tagging on the user ports with the data and voice VLANs as members

Apply a multifield classifier on the access ports that assigns voice packets to the assured forwarding class, based on the IP phone manufacturer’s MAC QUI

Configure the IP phones to label voice traffic with the DSCP of code point and apply a BA classifier to the access ports to classify voce traffic

Configure VLAN tagging on the IP phones and use the voice VLAN feature on the access ports to assign lagged frames to the voice VLAN and untagged frames to a data VLAN

Candidates who pass JN0-649 exam will earn the Juniper Networks Certified Internet Professional Enterprise Routing and Switching (JNCIP-ENT) certification. Enterprise Routing and Switching, Professional (JNCIP-ENT) certification validates the candidate’s practical skills and knowledge in installing, configuring, and troubleshooting Juniper Networks’ Enterprise Routing and Switching technologies.

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