JN0-648 Enterprise Routing and Switching, Professional Exam (JNCIP-ENT)
Enterprise Routing and Switching Certification Track
The Juniper Networks Certification Program (JNCP) Enterprise Routing and Switching track allows participants to demonstrate competence with Juniper Networks technology. Successful candidates demonstrate thorough understanding of networking technology in general and Juniper Networks enterprise routing and switching platforms.
Certification Path
The Enterprise Routing and Switching certification track is shown below. Click on the tab for a given certification to view its complete details.
EXPERT
Enterprise Routing and Switching, Expert (JNCIE-ENT)
At the pinnacle of the Enterprise Routing and Switching certification track is the JNCIE-ENT practical exam. This exam is designed to validate the networking professionals’ ability to deploy, configure, manage and troubleshoot Junos-based enterprise routing and switching platforms. Throughout this 6-hour practical exam, candidates will build an enterprise network infrastructure consisting of multiple routers and switching devices. Successful candidates will perform system configuration on all devices and configure protocols and features, such as IGPs, BGP, EVPN, Layer 2 features, routing policies, and class of service.
Prerequisite certification
JNCIP-ENT
Exam Details
Exam code: JPR-944
Lab Exam (Hands-on Lab)
Held at selected Juniper Networks testing centers
Exam length: 6 hours
Software Release:
vMX Virtual Router: 18.3
EX Series Switch: 18.4
Junos Space Network Director: 3.5
Exam Objectives
This list is intended to provide a general view of the skill sets required to successfully complete the JNCIE-ENT exam.
On-box and off-box scripts
Commit, OP, and event scripts
PyEZ scripts
Junos Space
Importing devices into Network Manager
Configuration Management
CoS configuration and troubleshoot
Multiple queues
BA classifier
Multifield classifier
Rewrite rules
Policers
EVPN configuration and troubleshoot
OSPFv2, OSPFv3, and IS-IS
Authentication
Multi-area OSPF
NSSA
IPv4 routes using OSPFv3
Routing policy
BGP troubleshoot and configuration
Multi-ISP routing
IBGP route-reflector
Resolution of BGP Hidden Routes
BGP route-selection process
IBGP, LOCAL_PREF, AS-Path, Prepend/MED
Protocol preferences
BGP communities
BGP routing policy
Device-level security
Securing local control plane
Interfaces
AE interface
LACP
VRRP
System-level configurations
SNMP
System logging
User account
DHCP services
NTP
Virtual Chassis
VLAN
IRB interfaces
Private VLAN
802.1Q tunneling
Native VLAN
Spanning tree protocols
Root bridges, root ports, designated ports
Various guards for Spanning Tree
POE and telephony functions
VoIP VLAN assignments, VoIP class of service
POE and LLDP-MED
Layer 2 security
DAI, DHCP snooping, storm control
Layer 2 interface security features
Protocol independent routing policy
Aggregate, generate, qualified next hops, and static routes
Filter-based forwarding
GRE tunnels
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.
JNCIE-ENT Certification Self-Study Bundle
All courses listed for the underlying certifications.
Junos Documentation
EX4300 Documentation
vMX Documentation
Extensive real-world hands-on experience
QUESTION 1
Which BGP message type contains NLRI information?
A. notification
B. keepalive
C. update
D. open
Correct Answer: C
QUESTION 2
What is the correct authentication processing order on EX Series switches when multiple Layer 2 authentication methods are enabled?
A. MAC RADIUS –> 802.1X –> captive portal
B. 802.1X –> MAC RADIUS –> captive portal
C. 802.1X –> captive portal –> MAC RADIUS
D. captive portal –> MAC RADIUS –> 802.1X
Correct Answer: B
QUESTION 3
You are implementing a single spanning tree instance in your network and want to use the protocol that will
give you the best convergence time in the event of a physical network failure of the root bridge.
Which spanning tree protocol will satisfy this requirement?
A. RSTP
B. STP
C. MSTP
D. VSTP
Correct Answer: A
QUESTION 4
What are three well-known mandatory BGP attributes? (Choose three.)
A. MED
B. AS-path
C. origin
D. next-hop
E. community
Correct Answer: BCD
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