Updated Jan-2024 Pass JN0-649 Exam - Real Practice Test Questions [Q33-Q54]

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Updated Jan-2024 Pass JN0-649 Exam – Real Practice Test Questions

Download Free Juniper JN0-649 Real Exam Questions

The JNCIP-ENT exam covers topics such as advanced routing technologies, switch virtualization, Layer 2/Layer 3 protocols, and troubleshooting. Candidates are expected to have a deep understanding of the Junos OS, Juniper’s flagship operating system. Passing JN0-649 exam demonstrates that a candidate has the necessary skills to plan, configure, and troubleshoot complex enterprise routing and switching solutions in a Juniper environment. It is a highly sought-after certification for networking professionals looking to advance their careers in the field of enterprise networking.

NEW QUESTION 33
There are two BGP routes to 10.200.200.0/24 received from two external peers. Route 1 comes from a neighbor with a router ID of 10.10.100.1 and a peer IP address of 10.10.30.1, and route 2 comes from a neighbor with a router ID of 10.10.200.1 and a peer IP address of 10.10.50.1. Both routes have the same MED value, origin value, AS path length, and local preference number.
In this scenario, which statement is correct about the active route?

Route 1 will be active because of the peer IP address.

Route 2 will be active because of the peer IP address.

Route 1 will be active because of the router ID.

Route 2 will be active because of the router ID.

The router determines the router ID for each peer that advertised a path to the route destination. A lower router ID value is preferred over a higher router ID value. 10. The router determines the peer ID for each peer that advertised a path to the router destination. A lower peer ID value is preferred over a higher peer ID value. The peer ID is the IP address of the established BGP peering session.

NEW QUESTION 34
You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down.
Which route type is used in this scenario?

Type 2

Type 3

Type 1

Type 5

https://www.juniper.net/documentation/en_US/junos/topics/concept/evpn-bgp-multihoming- overview.html#jd0e270 This is a Type 1 mandatory route, used for fast convergence and for advertising the split horizon label. It is also known as the mass withdraw route.

NEW QUESTION 35
What information is contained in an OSPF LSA header? (Choose two.)

protocol

options

length

subnet mask

NEW QUESTION 36
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?

Configure the native-vlan-id parameter on the port.

Use the server-reject-vlan command to specify a guest VLAN.

Configure a secondary IP address on the port for unauthenticated hosts.

Configure the port as a spanning tree edge port.

For a device configured for 802.1X authentication, specify that when the device receives an Extensible Authentication Protocol Over LAN (EAPoL) Access-Reject message during the authentication process between the device and the RADIUS authentication server, supplicants attempting to access the LAN are granted access and moved to a specific bridge domain or VLAN. Any bridge domain, VLAN name or VLAN ID sent by a RADIUS server as part of the EAPoL Access-Reject message is ignored.

NEW QUESTION 37
Your enterprise network uses routing instances to support multitenancy. Your Junos devices use BGP to peer to multiple BGP devices. You must ensure that load balancing is achieved within the routing instance.
Which two statements would accomplish this task? (Choose two.)

Configure the multipath option at the [edit protocols bgp group <group-name> neighbor] hierarchy.

Configure the multipath option at the [edit protocols bgp group] hierarchy.

Configure a load-balance per-packet policy and apply it at the [edit routing-options forwarding- table] hierarchy.

Configure the multipath option at the [edit routing-instances <instance-name> routing-options] hierarchy.

NEW QUESTION 38
The connection between DC1 and DC2 is routed as shown in the exhibit.
In this scenario, which statement is correct?

The border devices must be able to perform Layer 3 routing and provide IRB functionality.

L3VPN must be enabled to advertise reachability.

An IP prefix route provides encoding for intra-subnet forwarding.

Type 2 and Type 5 routes will be exchanged between DC1 and DC2.

https://www.juniper.net/documentation/us/en/software/junos/evpn-vxlan/topics/concept/evpn-route-type5-understanding.html

NEW QUESTION 39
You want to create an OSPF area that only contains intra-area route information in the form of Type 1 and Type 2 LSAs.
In this scenario, which area is needed to accomplish this task?

totally non-to-stubby area

totally stubby area

stub area

non-to-stubby area

NEW QUESTION 40
You are running OSPF as your IGP. The interfaces connecting two routers are in the ExStart state. You notice that something is incorrect with the configuration. Referring to the exhibit, which statement is correct?

The subnet mask is incorrect.

The MTU setting are incorrect.

The interface type is incorrect.

The IP addresses are incorrect.

NEW QUESTION 41
You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops You must ensure that all VL ANs are loop free.
In this scenario, which statement is correct?

You must enable RSTP to account for all VLANs.

You must ensure that the VLANs are balanced between two different root bridges.

You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.

You must enable all VLANs, 2 through 300, under the VSTP configuration

NEW QUESTION 42
Referring to the exhibit, which statement is true?

Only 802. 1X authentication will be used for devices connecting to ge-0/0/15

The current device is authenticated using MAC RADIUS

Additional users will automatically be allowed to connect to ge-0/0/15

The current device was allowed after authentication attempts to the RADIUS server failed

NEW QUESTION 43
Which two statements are true regarding bidirectional PIM? (Choose two )

It eliminates the need for an RP.

Devices only store group specific entries.

It uses multicast tunneling to forward traffic

Forwarding paths can be suboptimal

NEW QUESTION 44
You are adding VNI 101 to your EVPN-VXLAN network, but traffic is not being sent to received.
Referring to the exhibit, which configuration statement will solve the problem?

set routing-instances EVPN1 instance-type evpn

set routing-instances EVPN1 vxlan encapsulate-inner-vlan

set routing-instances EVPN1 bridge-domains BD-101 vxlan vni 101

set routing-instances EVPN1 vrf-table-label

NEW QUESTION 45
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 5

Type 2

Type 1

Type 4

NEW QUESTION 46
Which statement is true regarding LLDP advertisements?

LLDP communicates VLAN information to VoIP devices

LLDP communicates device information to neighbors

LLDP communicates power requirements from PoE enabled devices

LLDP communicates CoS values to VoIP devices

NEW QUESTION 47
Click the exhibit.

Where is the policy shown in the exhibit enforced?

Between the RIB-LOCAL and the RIB-OUT tables

Between the RIB-OUT table and the BGP peer

Between the RIB-IN and the RIB-LOCAL tables

Between the BGP peer and the RIB-In table

NEW QUESTION 48
Referring to the exhibit, how is R1 learning the route from R2?

R2 has interface ge-0/0/2 configured in another area under OSPFv3.

R2 has an export policy with external type 1 configured.

R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.

R2 has an export policy with external type 2 configured.

NEW QUESTION 49
Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)

The receiver DR builds a source-base tree to the RP.

S, G is always used.

A Different group address must be used by each source.

IGMPv3 is required.

NEW QUESTION 50
You have an MX960 configured as a Fusion aggregation device (AD) and two QFX5100 switches as satellite devices (SD). You have configured local-switching for each SD. A packet with an unknown MAC address is received on one of the SD extended ports.
Which statement is correct in this scenario?

The packet is dropped and a reject message is sent out to the port where it was received.

The packet is silently discarded and a reject message is sent to the AD.

The packet is flooded out of all the ports on the SD except the one where it was received.

The packet is sent to the AD to be processed and forwarded.

https://www.juniper.net/documentation/en_US/junos/topics/concept/fusion-local-switching.html

NEW QUESTION 51
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

NEW QUESTION 52
Click the Exhibit.

The ping command shows that connectivity of the 200.0.1/24 network to the 200.0.200.0/24 network exists. You notice that all the ping test results from various devices on 200.0.1.0/24 follow the same path even through equal cost paths exist to the 200.0.200.0/24 network.
Referring to the exhibit, what is happening?

Load balancing needs to be enabled for equal cost pathing to work.

The rip-exp policy needs to be modified to advertise RIP routes

The RIP group must include the preference statement.

RIPv2 does not support load balancing static routes.

NEW QUESTION 53
Juniper devices use the token bucket algorithm for policing. Which two statements are true regarding the token bucket algorithm? (Choose two.)

Policers transmit streams of traffic at the maximum interface speed until the burst rate is reached.

Policers do not reduce the speed of an interface.

Policers reduce the speed of an interface.

Policers enforce gaps between transmitted packets.

NEW QUESTION 54
Referring to the exhibit, which two statements are correct? (Choose two.)

The BGP neighbor can advertise L3 VPN related routes.

The BGP neighbor cannot advertise EVPN related routes.

The BGP neighbor can advertise EVPN related routes.

The BGP neighbor cannot advertise L3 VPN related routes.

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The JN0-649 exam is considered to be a professional-level exam that evaluates a candidate’s ability to configure, troubleshoot, and manage Junos devices. It is an essential exam for network professionals who want to demonstrate their expertise in Juniper’s routing and switching technologies.

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