Juniper Networks Certified Internet Specialist – ENT Certification

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

Layer 2 Switching and VLANs

• Describe transparent bridging terms, concepts and operations
• Demonstrate knowledge of how to monitor the operation of Layer 2 switching
• Demonstrate knowledge of how to configure VLANS and interfaces for Layer 2 switching operations
• Describe how to configure and monitor inter-VLAN routing

Spanning Tree

• Explain the benefits of the Spanning Tree Protocol
• Describe STP and RSTP operations
• Describe the differences between RSTP and STP
• Demonstrate knowledge of how to configure and monitor RSTP and STP

Layer 2 Security

• Describe the benefits of BPDU protection, loop protection, root protection, storm control, and switch security features
• Demonstrate knowledge of how to configure and monitor the BPDU protection, loop protection, storm control, root protection, and switch security
• Describe how to configure and monitor a Layer 2 firewall filter

Protocol Independent Routing

• Describe the operation, configuration and monitoring of static, aggregate, and generated routes
• Configure and monitor Load Balancing
• Explain Load Balancing concepts and operations
• Describe how to configure filter-based forwarding

Open Shortest Path First (OSPF)

• Explain OSPF operation and LSA functions
• Describe the operation of OSPF on broadcast media
• Identify and describe OSPF area types
• Configure, monitor and troubleshoot OSPF

Intermediate System to Intermediate System (IS-IS)

• Explain IS-IS operation and TLV functions
• Describe the operation of IS-IS on broadcast media
• Identify and describe IS-IS areas and levels
• Describe how to configure, monitor, and troubleshoot IS-IS

Border Gateway Protocol (BGP)

• Describe BGP’s basic operations
• Identify and describe common BGP attributes
• Demonstrate knowledge of how to configure and monitor BGP
• Identify the steps in the BGP route selection algorithm

Tunnels

• Describe IP tunneling concepts and applications
• Demonstrate knowledge of how to configure and monitor GRE and IP-IP tunnels
• Demonstrate knowledge of tunneling IPv6 traffic over IPv4 networks

High Availability

• Demonstrate knowledge of how to configure and monitor switch high availability features (802.3ad and Redundant Trunk Groups)
• Describe basic concepts and operational details of a virtual chassis
• Demonstrate knowledge of how to configure and monitor Virtual Router Redundancy Protocol (VRRP)
• Describe Graceful Routing-Engine Switchover (GRES) and Non-Stop Routing (NSR)

80 multiple-choice questions

105 minutes