Juniper JN0-348 dumps - in .pdf

JN0-348 pdf
  • Exam Code: JN0-348
  • Exam Name: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
  • Updated: Aug 03, 2026
  • Q & A: 95 Questions and Answers
  • PDF Price: $59.99
  • Free Demo

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  • Exam Code: JN0-348
  • Exam Name: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
  • Updated: Aug 03, 2026
  • Q & A: 95 Questions and Answers
  • PDF Version + PC Test Engine + Online Test Engine
  • Value Pack Total: $119.98  $79.99
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Juniper JN0-348 dumps - Testing Engine

JN0-348 Testing Engine
  • Exam Code: JN0-348
  • Exam Name: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
  • Updated: Aug 03, 2026
  • Q & A: 95 Questions and Answers
  • Software Price: $59.99
  • Testing Engine

About Juniper JN0-348 VCE materials

Test Objectives: What Does It Cover?

In summary, JN0-348 exam is meant to give painstaking coverage of the certification concepts by following the recommended curriculum. And to achieve this, it focuses on the following concepts:

  • Spanning Tree;
  • Layer 2 Switching or VLANs.
  • High Availability;
  • Layer 2 Security;
  • OSPF;
  • BGP;
  • IS-IS;
  • Tunnels;
  • Protocol Independent Routing;

Self-learning and self-evaluation functions

Our Enterprise Routing and Switching, Specialist (JNCIS-ENT) qualification test guide boosts the self-learning and self-evaluation functions so as to let the clients understand their learning results and learning process, then find the weak links to improve them. Through the self-learning function the learners can choose the learning methods by themselves and choose the contents which they think are important. Through the self-evaluation function the learners can evaluate their mastery degree of our JN0-348 test materials and their learning process. The two functions can help the learners adjust their learning arrangements and schedules to efficiently prepare the exam. The clients can record their self-learning summary and results into our software and evaluate their learning process, mastery degrees and learning results in our software. According their learning conditions of our JN0-348 certification guide they can change their learning methods and styles.

Any electronic equipment available on the APP online version

Our JN0-348 test materials boost three versions and they include the PDF version, PC version and the APP online version. The clients can use any electronic equipment on it. If only the users' equipment can link with the internet they can use their equipment to learn our Enterprise Routing and Switching, Specialist (JNCIS-ENT) qualification test guide. They can use their cellphones, laptops and tablet computers to learn our JN0-348 study materials. The great advantage of the APP online version is if only the clients use our JN0-348 certification guide in the environment with the internet for the first time on any electronic equipment they can use our JN0-348 test materials offline later. So the clients can carry about their electronic equipment available on their hands and when they want to use them to learn our Enterprise Routing and Switching, Specialist (JNCIS-ENT) qualification test guide they can take them out at any time and learn offline. So the clients can break through the limits of the time, equipment, place and environment and learn our JN0-348 certification guide at their own wills. This is an outstanding merit of the APP online version.

Simple language

The language of our Enterprise Routing and Switching, Specialist (JNCIS-ENT) qualification test guide is simple. The learners may come from many social positions and their abilities to master our JN0-348 test materials are varied. Based on this consideration we apply the most simple and easy-to-be-understood language to help the learners no matter he or she is the students or the in-service staff, the novice or the experienced employee which have worked for many years. JN0-348 certification guide use the simple language to explain the answers and detailed knowledge points and the concise words to show the complicated information about the JN0-348 test materials. The language is also refined to simplify the large amount of information. So the learners have no obstacles to learn our JN0-348 certification guide.

The clients at home and abroad strive to buy our JN0-348 test materials because they think our products are the best study materials which are designed for preparing the test Juniper certification. They trust our JN0-348 certification guide deeply not only because the high quality and passing rate of our Enterprise Routing and Switching, Specialist (JNCIS-ENT) qualification test guide but also because our considerate service system. They treat our JN0-348 study materials as the magic weapon to get the Juniper certificate and the meritorious statesman to increase their wages and be promoted. You may be not quite familiar with our JN0-348 test materials and we provide the detailed explanation of our JN0-348 certification guide as follow for you have an understanding before you decide to buy.

JN0-348 exam dumps

Juniper JN0-348 Exam Topics:

SectionObjectives
High Availability

Identify the concepts, benefits, applications or requirements for high availability in a Junos OS environment

  • Link aggregation groups (LAG)
  • Redundant trunk groups (RTG)
  • Virtual Chassis
  • Graceful restart (GR)
  • Graceful Routing Engine switchover (GRES)
  • Nonstop active routing (NSR)
  • Nonstop bridging (NSB)
  • Bidirectional Forwarding Detection (BFD)
  • Virtual Router Redundancy Protocol (VRRP)
  • Unified In-Service Software Upgrade (ISSU)

Demonstrate knowledge of how to configure, monitor, or troubleshoot high availability components

  • LAG and RTG
  • Virtual Chassis
  • GR, GRES, NSB, and NSR
  • VRRP
  • ISSU
  • Troubleshooting tools (e.g., trace options, show commands, logging)
OSPF

Describe the concepts, operation or functionality of OSPF

  • Link-state database
  • OSPF packet types
  • Router ID
  • Adjacencies and neighbors
  • Designated router (DR) and backup designated router (BDR)
  • OSPF area and router types
  • Realms
  • LSA packet types

Demonstrate knowledge how to configure, monitor or troubleshoot OSPF

  • Areas, interfaces and neighbors
  • Additional basic options
  • Routing policy application
  • Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)
Layer 2 Security

Identify the concepts, benefits or operation of various Layer 2 protection or security features

  • BPDU, loop or root protection
  • Port security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) or IP source guard
  • MACsec
  • Storm control

Identify the concepts, benefits or operation of Layer 2 firewall filters

  • Filter types
  • Processing order
  • Match criteria and actions

Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security

  • Protection
  • Port security
  • Storm control
  • Firewall filter configuration and application
Layer 2 Switching or VLANs

Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS

  • Bridging components
  • Frame processing

Describe the concepts, benefits, or functionality of VLANs

  • Ports
  • Tagging
  • Native VLANs and voice VLANs
  • Inter-VLAN routing

Demonstrate knowledge how to configure, monitor or troubleshoot Layer 2 switching or VLANs

  • Interfaces and ports
  • VLANs
  • Junos Network Director
  • Inter-VLAN Routing
Spanning Tree

Describe the concepts, benefits, operation, or functionality of the Spanning Tree Protocol

  • STP and RSTP concepts
  • Port roles and states
  • BPDUs
  • Convergence and reconvergence

Demonstrate knowledge how to configure, monitor, or troubleshoot STP and RSTP

  • STP
  • RSTP
Tunnels

Identify the concepts, requirements or functionality of IP tunneling

  • Tunneling applications and considerations
  • GRE/UDP
  • IP-IP

Demonstrate knowledge of how to configure, monitor or troubleshoot IP tunnels

  • GRE/UDP
  • IP-IP
  • Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)
IS-IS

Describe the concepts, operation or functionality of IS-IS

  • Link-state database
  • IS-IS PDUs
  • TLVs
  • Adjacencies and neighbors
  • Levels and areas
  • Designated intermediate system (DIS)
  • Metrics

Demonstrate knowledge of how to configure, monitor or troubleshoot IS-IS

  • Levels, interfaces and adjacencies
  • Additional basic options
  • Routing policy application
  • Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)
BGP

Describe the concepts, operation or functionality of BGP

  • BGP basic operation
  • BGP message types
  • Attributes
  • Route/path selection process
  • IBGP and EBGP functionality and interaction

Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP

  • Groups and peers
  • Additional basic options
  • Routing policy application
  • Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)
Protocol Independent Routing

Identify the concepts, operation or functionality of various protocol-independent routing components

  • Static, aggregate, and generated routes
  • Martian addresses
  • Routing instances, including RIB groups
  • Load balancing
  • Filter-based forwarding

Demonstrate knowledge how to configure, monitor, or troubleshoot various protocol-independent routing components

  • Static, aggregate, and generated routes
  • Load balancing
  • Filter-based forwarding

Reference: https://www.juniper.net/us/en/training/certification/certification-tracks/ent-routing-switching-track/?tab=jncis-enterprise

What Is Juniper Networks Certified Internet Specialist - Enterprise Routing and Switching?

This certification is targeted towards seasoned networking specialists with advanced knowledge of routing and switching implementations within Junos. In general, such a certificate measures the basic knowledge of routing and switching concepts and how they relate to platform configuration and other relevant skills. The prerequisite training for attaining this designation is the mid-level Juniper Networks Certified Internet Associate - Junos certification. Of course, we can’t fail to mention the fact this Juniper certificate is part of the broader Juniper Enterprise Routing and Switching Certification Path which also includes the aforementioned JNCIA-Junos certification.

Conclusion

If you’ve ever wanted to obtain recognized IT skills that will set you apart, the Juniper Networks Certified Internet Specialist - Enterprise Routing and Switching (JNCIS-ENT) certification is the way to go. It is more than just a way to validate your skills. Simply pass JN0-348 exam today and distinguish yourself from your peers.

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