Enterprise Routing and Switching, Specialist JNCIS-ENT Online Training

In the ever-evolving world of network engineering, certifications are crucial in demonstrating expertise and advancing one’s career. One such certification is the Enterprise Routing and Switching, Specialist (JNCIS-ENT) offered by Juniper Networks. For those looking to ace this certification, CertGrow JNCIS-ENT Online Training stands out as a premier choice. This article delves into the importance of JNCIS-ENT, the benefits of CertGrow’s training, the target audience for this certification, and the potential salary prospects.

The JNCIS-ENT certification is designed for networking professionals with intermediate knowledge of routing and switching implementations in Junos. This certification validates your understanding of the core functionalities of Junos, including Layer 2 and Layer 3 technologies, as well as routing policy, firewall filters, and class of service (CoS).

About The Exam

You may demonstrate your proficiency with Juniper Networks enterprise routing and switching solutions as well as networking technology in general with this program. The specialist-level certification for this track, JNCIS-ENT, is intended for seasoned networking experts who have basic to intermediate understanding of Junos routing and switching installations. Your basic knowledge of routing and switching technologies, as well as your proficiency with relevant platform configuration and troubleshooting, are validated by the written test.

There are four certifications in this track:



JNCIA-Junos: Associate Junos. See JNCIA-Junos for more information.
JNCIS-ENT: Specialist in Enterprise Routing and Switching. See the sections below for more information.
JNCIP-ENT: Professional Enterprise Routing and Switching. See JNCIP-ENT for more information.
Enterprise Routing and Switching, Expert JNCIE-ENT. See JNCIE-ENT for more information.

Exam Objectives

Exam Objectives

Description

Layer 2 Switching or VLANs

 

Identify the concepts, operations, or functionalities of Layer 2 switching for the Junos OS:

 

·         Bridging components

·         Frame processing

 

 

Describe the concepts, benefits, or functionalities 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

·         Inter-VLAN routing 

Spanning Tree

 

Describe the concepts, benefits, operations, or functionalities of the Spanning Tree Protocol (STP):

 

·         STP and Rapid Spanning Tree Protocol (RSTP) concepts

·         Port roles and states

·         Bridge Protocol Data Units (BPDUs)

·         Convergence and reconvergence

 

 

Demonstrate knowledge how to configure, monitor, or troubleshoot Spanning Tree:

 

·         STP

·         RSTP

Layer 2 Security

 

Identify the concepts, benefits, or operations 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 operations 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

Protocol Independent Routing

 

Identify the concepts, operations, or functionalities of various protocol-independent routing components:

 

·         Static, aggregate, and generated routes

·         Martian addresses

·         Routing instances, including routing information base (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

OSPF

Describe the concepts, operations, or functionalities 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

·         Link-state advertisement (LSA) packet types

 

 

Demonstrate knowledge how to configure, monitor, or troubleshoot OSPF:

 

·         Areas, interfaces, and neighbors

·         Additional basic options

·         Routing policy application

·         Troubleshooting tools (ping, traceroute, traceoptions, show commands, logging)

IS-IS

 

Describe the concepts, operations, or functionalities of IS-IS:

 

·         Link-state database

·         IS-IS Protocol Data Units (PDUs)

·         Type, length, and values (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 (ping, traceroute, traceoptions, show commands, logging)

BGP

Describe the concepts, operations, or functionalities of BGP:

 

·         BGP basic operation

·         BGP message types

·         Attributes

·         Route/path selection process

·         Internal and external BGP (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 (ping, traceroute, traceoptions, show commands, logging)

Tunnels

Identify the concepts, requirements, or functionalities of IP tunneling:

 

·         Tunneling applications and considerations

·         Generic Routing Encapsulation (GRE)

·         IP-IP

 

 

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

 

·         GRE

·         IP-IP

·         Troubleshooting tools (ping, traceroute, traceoptions, show commands, logging)

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

·         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

·         Graceful restart, GRES, NSB, and NSR

·         VRRP

·         ISSU

·         Troubleshooting tools (traceoptions, show commands, logging)

Target Audience

The JNCIS-ENT certification and CertGrow’s JNCIS-ENT online training are ideal for:

 

  • Network Engineers

Professionals who manage and maintain enterprise networks and seek to validate their skills in routing and switching.

  • IT Professionals

Those looking to transition into network engineering roles and require a strong foundation in Junos-based network environments.

  • Students and Graduates

Individuals who have recently completed their studies in computer science or related fields and are looking to kickstart their careers in networking.

  • Career Switchers

Professionals from other IT domains who want to switch to networking and need a reputable certification to demonstrate their capabilities.

 

Exam Format

Exam Name

Enterprise Routing and Switching Specialist

Exam Code

JN0-351 JNCIS-ENT

Exam Cost

$300 USD

Duration

90 minutes

Number of Questions

65

Passing Score

60-70% approx

Exam Registration

PEARSON VUE

Software Versions

Junos 23.1

 

Why Choose CertGrow for JNCIS-ENT Online Training?

The JNCIS-ENT certification and CertGrow’s JNCIS-ENT online training are ideal for:

 

  • Network Engineers

Professionals who manage and maintain enterprise networks and seek to validate their skills in routing and switching.

  • IT Professionals

Those looking to transition into network engineering roles and require a strong foundation in Junos-based network environments.

  • Students and Graduates

Individuals who have recently completed their studies in computer science or related fields and are looking to kickstart their careers in networking.

  • Career Switchers

Professionals from other IT domains who want to switch to networking and need a reputable certification to demonstrate their capabilities.

 

Why Choose CertGrow for JNCIS-ENT Online Training?

  1. Comprehensive Curriculum: CertGrow offers a detailed and structured curriculum that covers all the topics necessary for the JNCIS-ENT exam. From basic concepts to advanced topics, the training ensures that you are well-prepared for every aspect of the certification.

 

  1. Expert Instructors: CertGrow’s training programs are led by industry experts with years of experience in Juniper Networks. Their practical insights and hands-on training approach make complex concepts easier to understand and apply.

 

  1. Flexible Learning: Understanding that professionals have busy schedules, CertGrow offers flexible learning options. You can access the course materials anytime, anywhere, allowing you to learn at your own pace.

 

  1. Interactive Learning Experience: CertGrow’s JNCIS-ENT online training includes interactive elements such as quizzes, hands-on labs, and real-world scenarios. This not only makes learning more engaging but also helps reinforce the concepts you learn.

 

  1. Proven Success Rate: CertGrow boasts a high success rate, with many students passing the JNCIS-ENT certification on their first attempt. The comprehensive training and support provided by CertGrow are instrumental in achieving this success.

 

Average Salary for JNCIS-ENT Certified Professionals

One of the significant advantages of obtaining the JNCIS-ENT certification is the potential for increased salary. According to industry data, the average salary for JNCIS-ENT certified professionals ranges from $70,000 to $100,000 per year. Factors such as experience, location, and job role can influence this figure, but the certification generally leads to better job opportunities and higher pay.

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