Why Study with PlanetCert?
The Latest Questions
Practice questions and exam topics aligned with the current exam objectives.
Detailed Explanations
Go beyond the answer. Master the material with comprehensive learning and professional explanations for every concept.
AI-Powered Insights
Personalized preparation guidance that adapts to your performance and identifies weak spots automatically.
Exam Information
Official specifications published by Juniper
Exam Format
90 min
65
Variable (approximately 60-70%)
Specialist
Registration
$300 USD
Pearson VUE (when active) or online proctoring
Validity
3 years (when certification was active)
JN0-1301 Exam Topics and Domains
JN0-1301 is organized into 8 weighted domains. Expect to work with BGP, Juniper QFX Series, LAG, MC-LAG, and more.
1
Data Center Design Considerations
Physical Considerations
Placement and CablingPower and Cooling
- Understand physical data center design requirements
- Plan for appropriate power and cooling infrastructure
- Design structured cabling systems
Access Switch Placement
Access Layer Design
- Design access layer topology
- Compare ToR and EoR architectures
Traditional Multi-Tiered Design
Three-Tier Architecture
- Understand traditional three-tier data center architecture
- Calculate appropriate oversubscription ratios
Management and Automation
Data Center Management
- Design management network infrastructure
- Implement automation in data center
Data Center Monitoring
Monitoring Systems
- Design comprehensive monitoring solution
- Select appropriate monitoring protocols
Data Center Support and Serviceability
Maintenance and Support Design
- Plan for operational maintenance
- Design for high serviceability
2
Ethernet Fabric Architectures
Virtual Chassis
Virtual Chassis Technology
- Design Virtual Chassis topology
- Understand member roles and election
- Plan for high availability
Virtual Chassis Fabric
VCF Architecture
- Design Virtual Chassis Fabric topology
- Implement VXLAN overlay networks
- Configure L2 and L3 gateways
Fusion
Juniper Fusion Architecture
- Understand Fusion architecture
- Design Fusion-based networks
- Implement zero-touch provisioning
3
IP Fabric Architecture
IP Fabric Design Considerations
IP Fabric FundamentalsEVPN-VXLAN
- Design IP fabric using Clos topology
- Implement BGP as underlay protocol
- Configure EVPN-VXLAN overlay
4
Data Center Interconnect
DCI Technologies
Layer 2 DCILayer 3 DCI
- Design Layer 2 and Layer 3 DCI solutions
- Implement VXLAN-based DCI
- Configure routing for multi-site data centers
5
Data Center Security
Security Design
Security Zones and SegmentationAccess Control
- Design security segmentation
- Implement access control mechanisms
- Plan firewall deployment in data center
6
Virtualization in the Data Center
Server Virtualization
Hypervisor IntegrationNetwork Virtualization
- Design networks for virtualized environments
- Integrate with hypervisors
- Implement NFV solutions
7
Traffic Prioritization in the Data Center
Quality of Service (QoS)
QoS MechanismsData Center Bridging (DCB)
- Design QoS policies for data center
- Implement Data Center Bridging
- Configure lossless Ethernet
8
High Availability in the Data Center
HA Design
Redundancy MechanismsLink AggregationGraceful Restart
- Design highly available data center networks
- Implement redundancy at all layers
- Configure graceful restart mechanisms
How do I earn this certification?
Passing JN0-1301 earns the JNCDS-DC certification. It sits in the Design (Discontinued) track.
Current Level Exams
JN0-1302 - JNCDS-DC (v2) Also retired January 17, 2023
Alternative Paths
- JN0-280 - JNCIA-DC Active data center certification focusing on operational skills rather than design
- JN0-480 - JNCIS-DC Specialist-level operational data center certification
- JN0-680 - JNCIP-DC Professional-level operational data center certification
- JPR-961 - JNCIE-DCExpert-level data center lab exam (operational track)
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for JN0-1301 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- RETIRED
- Last content update: 2018-08-15
- Announcement date: 2018-08-15
Updates
- IP Fabric Architecture EVPN-VXLAN Core technology in modern data center design, though exam is retired • Release date: Ongoing
- Virtual Chassis Fabric VCF on QFX Series Major topic in the retired exam, technology still active in Juniper product line • Release date: Ongoing
- Data Center Bridging DCB QoS and lossless Ethernet topic from retired exam • Release date: Ongoing
Who should take this exam?
JNCDA - Juniper Networks Certified Design Associate
- Intermediate knowledge of data center network design
- Understanding of data center theory and best practices
- Familiarity with Juniper Networks design principles