Quiz 2026 Juniper JN0-650: Enterprise Routing and Switching, Professional (JNCIP-ENT) Latest Exam Pass Guide

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Juniper JN0-650 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Enterprise Routing and Switching, Professional (JNCIP-ENT) Exam
Exam Number:JN0-650
Certificate Validity Period:3 years
Related Certifications:JNCIA-Junos
JNCIE-ENT
JNCIS-ENT
Exam Price:$300 USD
Available Languages:English
Passing Score:65-75%
Real Exam Qty:65
Exam Duration:90 minutes
Exam Format:Multiple choice, Scenario-based
Recommended Training:Advanced Routing & Switching (ARS) Training
Exam Registration:Pearson VUE Registration
Sample Questions:Juniper JN0-650 Sample Questions
Exam Way:Online proctored or onsite at Pearson VUE test centers
Pre Condition:Active JNCIS-ENT certification
Official Syllabus URL:https://www.juniper.net/gb/en/training/certification/tracks/enterprise-routing-switching/jncip-ent.html

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Juniper JN0-650 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Class of Service (CoS): This domain covers QoS mechanisms in Junos including CoS processing, header fields, forwarding classes, classification, policers, schedulers, drop profiles, shaping, and rewrite rules.
Topic 2
  • EVPN: This section addresses Ethernet VPN technology for Layer 2 over Layer 3 connectivity, covering EVPN route types, VXLAN encapsulation, and multi-homing configurations.
Topic 3
  • BGP: This section focuses on Border Gateway Protocol operations including route selection, next hop resolution, BGP attributes, communities, load balancing, IPv4
  • IPv6 address families, advanced options, and routing policy implementation.
Topic 4
  • Layer 2 Authentication and Access Control: This domain examines network access control mechanisms including 802.1x, MAC RADIUS, captive portal, server fail fallback, guest VLANs, and multi-method authentication considerations.
Topic 5
  • Ethernet Switching and Spanning Tree: This section covers advanced Layer 2 switching including filter-based VLANs, private VLANs, MVRP, Layer 2 tunneling via Q-in-Q and L2PT, plus MSTP and VSTP protocols.
Topic 6
  • IP Telephony Features: This section focuses on features supporting VoIP deployments including Power over Ethernet, LLDP
  • LLDP-MED protocols, and voice VLAN implementation.
Topic 7
  • IP Multicast: This domain addresses one-to-many communication using multicast routing, covering addressing, ASM vs SSM models, RPF, IGMP
  • snooping, PIM sparse-mode, rendezvous points, Anycast RP, MSDP, and routing policies.

Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions (Q13-Q18):

NEW QUESTION # 13
Which of the following is NOT a function of OSPFv3?

Answer: D


NEW QUESTION # 14
Exhibit

You need to configure the non-RP routers in your network to dynamically learn the location of the RP using standard protocols only. You have already applied the configuration shown in the exhibit, but the routers have not learned the location of the RP.
Which additional step must you take to fulfill these requirements?

Answer: A

Explanation:
The exhibit shows a multicast network running PIM Sparse Mode where R2 is configured as a local Rendezvous Point (RP). However, the non-RP routers (like R5) show no learned RP in their show pim rps output. To resolve this using standard protocols for dynamic RP discovery, you must implement a mechanism that automates the distribution of RP information across the PIM domain.
* Bootstrap Router (BSR) (Option B): BSR is the industry-standard (RFC 5059) mechanism for dynamically electing an RP and distributing that information throughout a PIM-SM domain.
* It uses two roles: Candidate-RPs (C-RPs), which announce their desire to be an RP, and Candidate-BSRs (C-BSRs), which collect these announcements and flood them to all other routers in the network via PIM bootstrap messages.
* BSR is a "standard protocol" as it is part of the PIMv2 specification. Once configured on R2 (as C-RP) and potentially R1 or R2 (as C-BSR), all other routers will dynamically learn that R2 is the RP for the specified group ranges.
* Auto-RP (Option D): While this also provides dynamic RP discovery, it is a proprietary Cisco protocol. Although Junos supports it for interoperability, the question specifically asks for "standard protocols only," making BSR the preferred choice.
* MSDP (Option A): Multicast Source Discovery Protocol (MSDP) is used to share information about active sources between different PIM domains or for Anycast-RP. It does not handle the initial discovery of an RP within a single domain for standard PIM-SM operations.
* Anycast RP (Option C): This is a technique used for RP redundancy and load balancing. While it can use BSR or MSDP for synchronization, it is a design architecture rather than a standalone "standard protocol" for the basic dynamic discovery of an RP in the manner requested here.
Configuration Example for BSR in Junos OS 24.4: To enable this, you would add the following to the RP (R2):
set protocols pim rp bootstrap-discovery
set protocols pim rp candidate-rp 10.222.1.2 group-ranges 224.0.0.0/4
set protocols pim rp candidate-bsr 10.222.1.2


NEW QUESTION # 15
You are designing a multicast topology to support IPv4 IPTV broadcasts in your organization. The design should support multiple multicast senders with overlapping group addresses while preventing interference between them. Client devices currently do not support IGMPv3.
Which approach would fulfill these requirements?

Answer: D


NEW QUESTION # 16
Exhibit:

Referring to the exhibit, which two statements are true regarding Q-in-Q tunneling? (Choose two.)

Answer: A,C


NEW QUESTION # 17
Which statement accurately describes the operation of OSPF within the Junos OS?

Answer: B

Explanation:
OSPF (Open Shortest Path First) is a standards-based Link-State Interior Gateway Protocol (IGP) implemented within Junos OS 24.4:
* Intra-AS Routing: OSPF is designed to distribute routing information and perform neighbor discovery within a single Autonomous System (AS). It divides the AS into areas to localize Link- State Advertisements (LSAs) and reduce the size of the Link-State Database (LSDB) on each router.
(Option B)
* Algorithm: OSPF uses the Shortest Path First (SPF) or Dijkstra algorithm, not a distance vector algorithm (which would be RIP or BGP). This makes Option A incorrect.
* Directly Connected Routes: In Junos OS, you must explicitly configure an interface under the [edit protocols ospf] hierarchy to include it in the OSPF process. Once an interface is added, its prefix is automatically advertised to neighbors via Router (Type 1) LSAs. This makes Option C technically inaccurate in the context of interfaces participating in the protocol.
* Scope: Protocols used between multiple autonomous systems are External Gateway Protocols (EGPs), such as BGP. This makes Option D incorrect.


NEW QUESTION # 18
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