Data Center, Associate (JNCIA-DC)

Data Center Architectures

Identify concepts and general features of Data Center architectures

• Traditional Architectures (multi-tier)
• IP-Fabric Architectures (Spine/Leaf)
• Layer 2 and Layer 3 strategies
• Overlay Network versus Underlay Network (Very Basic)
• EVPN/VXLAN basics/purpose

Layer 2 Switching, VLANs and Security

Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS

• Ethernet switching/bridging concepts and operations

Identify the concepts, benefits, or functionality of VLANs

• Port modes
• VLAN Tagging
• IRB

Identify the concepts, benefits, or functionality of Layer 2 Security

• MACsec
• MAC address control/filtering
• Storm Control

Describe how to configure, monitor, or troubleshoot Layer 2 switching, VLANs, or security

• Ethernet switching/bridging
• VLANs
• Layer 2 security features

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

Describe how to configure, monitor, or troubleshoot various protocol-independent routing components

• Static, aggregate, and generated routes
• Load balancing

Data Center Routing Protocols BGP/OSPF

Identify 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
• LSA packet types

Describe how to configure, monitor, or troubleshoot OSPF

• Areas, interfaces, and neighbors
• Additional basic options
• Routing policy application
• Troubleshooting tools

Identify the concepts, operation, or functionality of BGP

• BGP basic operation
• BGP message types
• Attributes
• Route/path selection process
• IBGP and EBGP functionality and interaction

Describe how to configure, monitor, or troubleshoot BGP

• Groups and peers
• Additional basic options
• Routing policy application

High Availability (HA)

Identify the concepts, benefits, applications, or requirements of high availability

• Link aggregation groups (LAG)
• Graceful restart (GR)
• Bidirectional Forwarding Detection (BFD)
• Virtual Chassis

Describe how to configure, monitor, or troubleshoot high availability components

• Link aggregation groups (LAG)
• Graceful restart (GR)
• Bidirectional Forwarding Detection (BFD)