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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)