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Training for Your Test: Is There Easier Path?

While qualifying for your exam may not seem challenging, the real test lies with the choice of study materials. So, we will be covering the two best paths to help you prepare for your Juniper JN0-348 exam easily:

1. Junos Intermediate Routing (JIR)

The Junos Intermediate Routing (JIR) course is a two-day package that validates the mid-level knowledge of routing implementation in line with the actual exam content outline. This course summarizes the details of protocol-independent routing features, OSPF, IP tunneling, high availability, and load balancing. Also, it combines labs and useful demonstrations to help candidates prove their enthusiasm for routing concepts including the configuration and monitoring of the Junos technologies. What’s more, this course adopts the Juniper Networks vSRX Series Services Gateways to help candidates gain vital hands-on skills and is entirely built around the Junos OS Release 18.2R1.9. As an intermediate-level class, all individuals tasked with monitoring or configuring devices running on the Junos OS would benefit from this training. However, all trainees must first demonstrate an understanding of the TCP/IP suite and the OSI model. Besides, they must complete the introductory course, Junos Operating System, before registering for this training. As you remember, this course only runs for two days so you should never assume that the content will be shallow as it remains a comprehensive training covering all aspects of the Junos Enterprise Routing and Switching. When the training initially begins, the instructors will be eager to introduce the course and leave it at that point. Then, they will focus on protocol-independent routing, open shortest path first, and load balancing with filter-based forwarding to complete the first day of training. On the second and last day, the course will verify the knowledge of border gateway protocol, High Availability, and IP tunneling. This stage focuses on the popular concepts of BFD, VRRP, nonstop active routing, BGP attributes, and GRE tunnels.

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

Juniper JN0-348 Exam Topics:

Section	Objectives
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)
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
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
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)
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
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)
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
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)

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.