Latest [Jan 16, 2025] JN0-649 Exam with Accurate Enterprise Routing and Switching, Professional (JNCIP-ENT) PDF Questions [Q76-Q97]

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Latest [Jan 16, 2025] JN0-649 Exam with Accurate Enterprise Routing and Switching, Professional (JNCIP-ENT) PDF Questions

Take a Leap Forward in Your Career by Earning Juniper 195 Questions

Juniper JN0-649 exam is an industry-recognized certification exam that focuses on enterprise routing and switching for professionals. JN0-649 exam is designed for networking professionals who have a deep understanding of enterprise routing and switching technologies and want to validate their skills and knowledge. It is one of the most popular certifications for networking professionals as it covers a wide range of topics related to enterprise routing and switching.

Juniper JN0-649 certification exam is composed of multiple-choice, practical, and simulation-based questions that aim to assess the candidate’s ability to configure and troubleshoot Junos OS network devices. JN0-649 exam consists of 65 multiple-choice questions, which must be completed within 120 minutes, and requires a passing score of 65%.

NO.76 You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must automatically negotiate the power requirements for the new connection with the EX Series switches.
In this scenario, which protocol should be used to enable this behavior?

CDP

MP-BGP

LLDP-MED

LLDP

NO.77 Referring to the exhibit, which two statements are correct? (Choose two.)

BPDUs from the root bridge for VLAN 10 have been received on the ge-0/0/7.0 interface.

DS-1 is the root bridge for VLAN 10.

BPDUs from the root bridge for VLAN 20 have been received on the ge-0/0/7.0 interface.

Default VSTP bridge priority values are configured.

NO.78 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.79 Which two multicast listener registration protocols are supported in the Junos operating system?
(Choose two.)

MLD

DVMRP

IGMP

PIM

NO.80 You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch’s PoE ports that support IEEE
802.3af. In this scenario, what is the maximum amount of power allocated to each interface?

10.2 W

15.4 W

30 W

50 W

NO.81 Your organization has recently acquired another company. You must carry all of the company’s existing VLANs across the corporate backbone to the existing branch locations without changing addressing and with minimal configuration.
Which technology will accomplish this task?

Q-in-Q all-in-one bundling

PVLAN isolated VLAN

MVRP registration normal

EVPN-VXLAN anycast gateway

NO.82 Which two multicast listener registration protocols are supported in the Junos operating system? (Choose two.)

MLD

DVMRP

IGMP

PIM

NO.83 You are implementing a single spanning tree instance in your network and want to use the protocol that will give you the best convergence time in the event of a physical network failure of the root bridge. Which spanning tree protocol will satisfy this requirement?

RSTP

STP

MSTP

VSTP

NO.84 Referring to the exhibit, which two statements are correct? (Choose two.)

The DS-2 switch will be root bridge for MSTI 2.

The DS-1 switch will be root bridge for MSTI 1.

The DS-1 switch will be root bridge for MSTI 2.

The DS-2 switch will be root bridge for MSTI 1.

NO.85 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.

NO.86 You have a workstation and an IP phone that connect to the same physical port on your Juniper switch. Which statement is true?

You must configure two logical interfaces on the switch port.

The workstation and the phone both must send tagged traffic to the switch.

The switch port must be configured as a trunk port.

The access port can be configured to accept tagged and untagged traffic.

NO.87 BGP multipath or multihop are not configured in your network. In this scenario, what is the correct sequence for BGP active route selection?

higher local preference
shortest AS path
lowest peer address
lowest router ID
lower origin code

higher local preference
shortest AS path
lower origin code
lowest router ID
lowest peer address

higher local preference
lowest router ID
lowest peer address
lower origin code
shortest AS path

higher local preference
shortest AS path
lowest router ID
lowest peer address
lower origin code

NO.88 When configuring class of services, what would be you use to allocate bandwidth to a forwarding class?

buffer depth

transmit rate

bandwidth

speed

NO.89 Which statement is correct about IS-IS?

IS-IS uses areas and an autonomous system.

Level 1/2 routers automatically inject a default route to the nearest Level 1 router.

Level 2 routers must share the same area address.

Level 1 routers route traffic between autonomous systems.

NO.90 You are asked to merge a RIP network with your OSPF network. As a first step, you establish connectivity between the RIP network and the OSPF network. The RIP network connects to an NSSA area. Which two statements are true in this scenario? (Choose two.)

To share RIP routes with the OSPF network, an export policy will be required on the ABR.

To share RIP routes with the OSPF network, an export policy will be required on the ASBR.

By default, external OSPF routes have a higher route preference than RIP routes.

Be default, RIP routes have a higher route preference than external OSPF routes.

NO.91 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

NO.92 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?

multiple supplicant mode

MAC authentication mode

single-secure supplicant mode

single supplicant mode

NO.93 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.

NO.94 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.95 What are two supported PoE management modes? (Choose two.)

mixed

standalone

class

static

NO.96 Which two statements are correct regarding the behavior shown in the exhibit? (Choose two.)

The ge-1/1/0 interface is configured as secondary for Area 0.

The router is an ABR.

The router is not an ABR.

The ge-1/1/0 interface is configured as secondary for Area 100.

NO.97 You are deploying IP phones in your enterprise network that must receive their power through their Ethernet connection. You are using your EX Series switch’s PoE ports that support IEEE 802.3af.
In this scenario, what is the maximum amount of power allocated to each interface?

10.2 W

15.4 W

30 W

50 W