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JN0-348 Juniper Enterprise Routing and Switching Specialist

September 25, 2019 by admin

PECIALIST
Enterprise Routing and Switching, Specialist (JNCIS-ENT)

Designed for experienced networking professionals with beginner to intermediate knowledge of routing and switching implementations in Junos, this written exam verifies the candidate’s basic understanding of routing and switching technologies and related platform configuration and troubleshooting skills.
Prerequisite certification

JNCIA-Junos

Exam Details

JNCIS-ENT exam topics are based on the content of the recommended instructor-led training courses, as well as the additional resources.

Exam code: JN0-348
Written exam
Administered by Pearson VUE
Exam length: 90 minutes
Exam type: 65 multiple-choice questions
Pass/fail status is available immediately
Software Release:
Junos 18.4
Junos Space Network Director 3.1

Exam Objectives

This list provides a general view of the skill set required to successfully complete the specified certification exam.

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

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
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
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
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)
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)
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)
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)
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)

Preparation

The resources listed on this section are recommended, but do not guarantee passing scores on JNCP exams. Success depends on each candidate’s motivation, experience, and dedication. Candidates may find additional resources not listed on this page helpful as well.

 

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