Verified JN0-649 exam dumps Q&As with Correct 65 Questions and Answers [Q20-Q42]

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Verified JN0-649 exam dumps Q&As with Correct 65 Questions and Answers

Juniper JN0-649 Test Engine PDF – All Free Dumps from TopExamCollection

Passing the JNCIP-ENT exam is a valuable achievement for network engineers who want to advance their careers in the field of routing and switching. It validates their expertise in configuring and troubleshooting Juniper Networks routers and switches and demonstrates their ability to design and implement complex network solutions. Enterprise Routing and Switching, Professional (JNCIP-ENT) certification is recognized by leading companies around the world and can lead to new job opportunities and higher salaries.

The JN0-649 exam is a comprehensive test that covers a wide range of topics, including advanced switching concepts, Layer 2 and Layer 3 protocols, routing policy and firewall filters, and high availability and virtualization technologies. JN0-649 exam is designed to test the candidate’s ability to apply their knowledge to real-world scenarios and to make informed decisions in complex network environments.

NEW QUESTION 20
Which two statements about BGP communities are true? (Choose two.)

A prefix can only belong to one community.

A prefix can belong to more than community.

A community is not a transitive attribute.

A BGP device can set, append, or modify the community of a route.

NEW QUESTION 21
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

NEW QUESTION 22
You are troubleshooting an OSPF adjacency issue between R1 and R2.

What is the reason for the ExStart state shown in the exhibit?

R2 was elected as the designated router.

R1 was elected as the backup designated router.

R1 and R2 are using the same IP address.

The MTU is not the default on R1 and R2.

NEW QUESTION 23
You want to provide Layer 2 connectivity between campus sites using Ethernet switches through a metro Ethernet service provider who is using Q-in-Q tagging on their network.
Referring to the exhibit, what are two design considerations in this environment? (Choose two.)

VXLAN could be implemented on your network across this service provider network.

Each campus switch shown must have a C-Tag 300 configured.

L2PT is required on the SP network to support the spanning tree protocol.

Each campus switch shown must have S-Tag 300 configured.

NEW QUESTION 24
You are authenticating user devices connected to your ex Series switch. You have 802.1X and MAC RADIUS configured for all ports. A user is complaining about the time it takes to connect their non- 802.1X device on ge-0/0/15 using MAC RADIUS authentication.
Referring to the exhibit, what should be done to accelerate the authentication process?

Change the supplicant mode to multiple on ge-0/0/15

Configure the no-reauthentication feature for 802.1X on ge-0/0/15

Configure the restrict feature for MAC RADIUS on ge-0/0/15.

Change the 802.1X retry attempts value to 5 on ge-0/0/15

NEW QUESTION 25
Refer to Exhibit:

You have a workstation and a VoIP phone connected to port ge-0/0/1 on an access switch.
Referring to the exhibit, which two statements are true? (Choose two.)

Frames that exit interface ge-0/0/1 on the data VLAN will be tagged.

The phone will automatically be assigned a VLAN ID.

Voice frames that enter interface ge-0/0/1 will be forwarded as expedited forwarding traffic.

All frames that exit interface ge-0/0/1 will belong to the data VLAN.

https://www.juniper.net/documentation//en_US/junos/topics/topic-map/802-1x-and-voip-on- switches.html#id-example-setting-up-voip-with-8021x-and-lldp-med-on-an-ex-series-switch
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/device-discovery-using-lldp- lldp-med.html

NEW QUESTION 26
When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)

log

sustain

permit

count

move

https://www.juniper.net/documentation/en_US/junos/topics/topic-map/radius-server-configuration- ex-series-cli.html#id-configuring-radius-server-fail-fallback-cli-procedure
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/radius-server-configuration- ex-series-cli.html Permit authentication, allowing traffic to flow from the end device through the interface as if the end device were successfully authenticated by the RADIUS server.
Deny authentication, preventing traffic from flowing from the end device through the interface.
This is the default.
Move the end device to a specified VLAN if the switch receives a RADIUS access-reject message. The configured VLAN name overrides any attributes sent by the server. (The VLAN must already exist on the switch.) Sustain authenticated end devices that already have LAN access and deny unauthenticated end devices. If the RADIUS servers time out during reauthentication, previously authenticated end devices are reauthenticated and new users are denied LAN access.

NEW QUESTION 27
Click the Exhibit button.

Referring to the exhibit, the source is currently sending multicast traffic using group 224.1.1.1, which is being received by R1. R2 is not receiving PIM register messages.
What would be the cause of this problem?

Tunnel services have not been enabled on R1.

All routers have not been configured with the same Auto-RP discovery group.

R5 has not received an IGMP report of 224.1.1.1.

A(*,G) tree has not been built yet.

The multicast traffic being sent by the source must be encapsulated into a PIM register packet. If the tunneling services under the chassis stanza is not configured, a PE (PIM Encapsulation interface) will not be present in the multicast first hop router. Anyway long story short, tunneling services must be turned on or else you will not get PIM register messages sent to the RP.
https://kb.juniper.net/InfoCenter/index?page=content&id=KB13329

NEW QUESTION 28
What is a supplicant in 802.1x authentication?

the device that prevents the end user device’s access until it is authenticated

the authenticating device

the device being authenticated

the RADIUS server

NEW QUESTION 29
Which three configuration parameters must match on all switches within the same MSTP region?
(Choose three.)

VLAN to instance mapping

revision level

configuration name

bridge priority

region name

NEW QUESTION 30
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.

NEW QUESTION 31
Click the Exhibit button.

There is a functioning OSPFv3 neighborship between Router-1 and Router-2 over the ge-0/0/1 link. However, the 172.100.100.0/24 and 172.101.101.100/24 routes are not being shared through OSPFv3.
Referring to the configuration shown in the exhibit, which two actions must you take to solve the problem? (Choose two.)

Add interface ge-0/0/1 under the IPv4 unicast realm for both routers.

Add the IPv6 family protocol under ge-0/0/2 for both routers.

Add the lo0 interface under OSPFv3 for both routers.

Add interface ge-0/0/2 under OSPFv3 for both routers.

NEW QUESTION 32
Which two authentication methods are available for OSPF on Juniper devices? (Choose two.)

RSA

MD5 authentication

none

Certificate

NEW QUESTION 33
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

Single supplicant mode authenticates only the first end device that connects to an authenticator port. All other end devices connecting to the authenticator port after the first has connected successfully, whether they are 802.1X-enabled or not, are permitted access to the port without further authentication. If the first authenticated end device logs out, all other end devices are locked out until an end device authenticates. Single-secure supplicant mode authenticates only one end device to connect to an authenticator port. No other end device can connect to the authenticator port until the first logs out.

NEW QUESTION 34
A modified deficit round-robin scheduler is defined by which three variables? (Choose three.)

priority

WRED

transmit rate

Layer 3 fields

buffer size

NEW QUESTION 35
Which two multicast listener registration protocols are supported in the Junos operating system?
(Choose two.)

MLD

DVMRP

IGMP

PIM

NEW QUESTION 36
Referring to the exhibit, which statement is true?

R1 is an ASBR.

R1 has the B bit set.

R1 is a backbone router.

R1 is an ABR.

NEW QUESTION 37
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 38
Click the Exhibit button.

During an outage, you review the status of the Q-in-Q implementation on VLAN 300.
Referring to the exhibit, what would be the cause of the outage?

The S-VLAN is disabled.

The VLAN range overlaps.

The C-VLANs are disabled.

There are no active ports.

NEW QUESTION 39
Remote branches connect to the corporate WAN through access switches. The access switches connect to access ports on the WAN distribution switch, as shown in the exhibit. L2PT has previously been configured on the tunnel Layer 2 traffic across the WAN. You decide to move the L2PT tunnel endpoints to the access switches. When you apply the L2PT configuration to the access switches, the ports that connect the access switches to the distribution switch shut down.
Which action would solve this problem?

Configure the links between the access switches and the distribution switch as a trunk port.

Disable the BPDU block function on the access switches.

Disable the BPDU block function on the distribution switch.

Configure a GRE tunnel to encapsulate the L2PT traffic across the WAN.

NEW QUESTION 40
You have configured class mode power management on an EX4300 to provide PoE power to telephone and security camera equipment. You want to ensure that security camera power takes priority over telephone power.
Which two actions would solve this problem? (Choose two.)

Connect the security cameras to the lowest port numbers on the switch.

Set the power priority to high on ports connected to security cameras.

Set the maximum power settings on ports connected to security cameras.

Set the power priority to low on ports connected to security cameras.

https://www.juniper.net/documentation//en_US/junos/topics/concept/poe-overview.html#jd0e1522 Thus you must set interfaces that connect to critical powered devices, such as security cameras and emergency phones, to high priority. Among PoE interfaces that have the same assigned priority, power priority is determined by the port number, with lower-numbered ports having higher priority.

NEW QUESTION 41
You are deploying IP phones in your Layer 2 network and are asked to ensure that the switch sends VLAN and CoS information to the IP phones automatically.
In this scenario, which protocol should be used?

PoE

PoE+

LLDP

LLDP_MED

NEW QUESTION 42
You are asked to enforce user authentication using a captive portal before users access the corporate network.
Which statement is correct in this scenario?

HTTPS is the default protocol for a captive portal.

A captive portal can be bypassed using an allowlist command containing a device’s IP address.

When enabled, a captive portal must be applied to each individual interface.

All Web browser requests are redirected to the captive portal until authentication is successful.

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Verified JN0-649 exam dumps Q&As with Correct 65 Questions and Answers [Q20-Q42]

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