New (2023) Juniper JN0-649 Exam Dumps [Q10-Q34]

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New (2023) Juniper JN0-649 Exam Dumps

Best Way To Study For Juniper JN0-649 Exam Brilliant JN0-649 Exam Questions PDF

The JNCIP-ENT certification is a prerequisite for the Juniper Networks Certified Internet Professional (JNCIP) certification. The JNCIP-ENT certification is valid for three years, after which the candidate needs to pass a recertification exam to maintain the certification.

The Juniper JN0-649 certification exam is a professional-level exam for individuals who have a strong understanding of enterprise routing and switching technologies. This exam is designed to test the candidate’s knowledge and skills in configuring, troubleshooting, and managing advanced Junos OS routing and switching technologies. The JN0-649 exam is one of the requirements for the Juniper Networks Certified Professional Enterprise Routing and Switching (JNCIP-ENT) certification.

The Juniper JN0-649 (Enterprise Routing and Switching, Professional (JNCIP-ENT)) Certification Exam is designed for individuals who have a good understanding of networking technologies in an enterprise environment. This certification assesses the candidate’s ability to configure and troubleshoot Juniper Networks devices in a wide area network (WAN) and local area network (LAN) setting. The exam covers a range of topics including routing protocols, virtual local area networks (VLANs) and virtual routing and forwarding (VRF).

NO.10 A BGP network has been designed to provide resiliency and redundancy to a multihomed customer network.
Which two statements are correct in this scenario? (Choose two.)

Both the next hops will be used to forward traffic to R2.

A routing policy will be required to forward traffic to both next hops.

The TTL value of 1 is set to limit the scope of the EBGP session.

The ttl statement must be configured to accommodate peering to a loopback address of a directly connected peer.

NO.11 When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)

log

sustain

permit

count

move

NO.12 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.13 A customer on MSTI-2 was isolated due to a physical link outage on Switch 5’s ge-0/0/32 interface.

Referring to the exhibit, which corrective action would solve this problem?

replace the link between Switch 5 and 6 with a 10 Gbps link

Implement the CIST on all switches.

Move the root bridge for MSTI-2 to Switch 6.

Add MSTI-2 to all interfaces on Switch 5.

NO.14 In OSPF, how does a router ensure that LSAs advertised to a neighboring router are received?

LSA flooding guarantees that all routers will receive them successfully.

LSAs are sent over a TCP connection.

LSAs are acknowledged by the neighboring router.

LSAs are advertised with an acknowledgement bit.

NO.15 Which statement is correct about CoS policers on Junos devices?

Traffic that exceeds a policer’s traffic profile can be dropped or assigned to a specific drop profile.

A policer can assign in-profile traffic to a specific forwarding class.

A policer does not alter in-profile traffic.

Policers can be configured to buffer traffic that exceeds the policer’s traffic profile.

NO.16 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.17 Which two statements are true about IS-IS levels? (Choose two.)

Level 2 systems do not advertise Level 2 routes into a Level area by default.

Level 2 systems must use the loopback address as a part of the ISO network address.

Level 1 system only from adjacencies with other systems that have different area IDs.

Level 1 systems use a default route to reach AS external routes located in other areas.

NO.18 You are asked to troubleshoot voice quality issues on your newly implement VoIP network. You notice that the voice packets are being dropped. You have verified that the packets are correctly marked for expedited forwarding queue.
Referring to the exhibit, what must you configure to solve the problem?

You must configure a multifield classifier to put the VoIP traffic in the correct queue.

You must configure a rewrite rule to ensure that the traffic is scheduled properly in the device.

You must configure a scheduler to allocate bandwidth to the expedited forwarding queue.

You must configure a policer to ensure that the queue is not being starved.

NO.19 Which two statements about OSPF routing policies are correct? (Choose two.)

By default, OSPF export policies reject network-summary LSAs.

By default, OSPF export policies accept network-summary LSAs.

By default, OSPF import policies accept network-summary LSAs.

By default, OSPF import policies reject network-summary LSAs.

NO.20 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.

NO.21 Click the Exhibit button.

Referring to the exhibit, you must advertise the 100.0.0.0/16 routes from AS1 to AS2, but R2 is not advertising any BGP routes to R5.
Why is this happening in this scenario?

The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.

The IBGP routes are not active and EBGP will advertise only active routes.

The IBGP routes will not be advertised because the AS path shows as incomplete.

The IBGP routes are not active because the next hop is not reachable.

NO.22 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?

The neighbor 10.30.100.3 statement is missing from leaf1’s configuration.

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

The neighbor 10.30.100.6 statement is missing from spine1’s configuration.

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

NO.23 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

NO.24 Referring to the exhibit, how is R1learning the route from R2? R2 has an export policy with external type 2 configured.

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

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

R2 has an interface policy with external type 1 configured.

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

NO.25 You are using 802.1X authentication in your network to secure all ports. You have a printer that does not support 802.1X and you must ensure that traffic is allowed to and from this printer without authentication.
In this scenario, what will satisfy the requirement?

MAC filtering

MACsec

static MAC bypass

MAC RADIUS

NO.26 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.27 You are implementing 802.1x access control in your network of EX Series switches. You have some older client devices connecting to your network which do not support 802.1x.
Which statement is true regarding the older devices?

By default, the supplicant will send EAP messages and keep the port in an unauthorized state.

By default, the authenticator will send EAP messages and keep the port in an unauthorized state.

By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.

By default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.

NO.28 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.29 You are configuring, the PVLAN feature on your switches. The PVLAN will span the two EX Series switches shown in the exhibit.
Which three configuration parameters must be enabled on the ports connecting the two switches?
(Choose three. )

family inet

interface-mode access

interface-mode trunk

family Ethernet-switching

inter-switch-link

NO.30 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

NO.31 Your company has expanded into office space across the street. The new office space has a single Ethernet connection connected to an unmanaged switch. You must sort traffic based on the IP address into different VLANs once the traffic arrives on your EX Series switches.
Which mechanism would you use to accomplish this task?

MVRP

filter-based VLANs

Q-in-Q tunneling

dynamic VLANs

NO.32 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.33 Which three MSTP parameters must match on all switches in the same MST region? (Choose three.)

forwarding delay

bridge priority