JNCIS-ENT prep for enterprise routing and switching on Junos exam help

JNCIS-ENT is the specialist-level certification in Juniper's Enterprise Routing and Switching track for experienced networking professionals with beginner-to-intermediate knowledge of routing and switching implementations in Junos. As of 2026-05-14, Juniper's certification page announces a new JN0-352 exam for June 8, 2026 and lists JN0-352 details; candidates scheduling before that date should confirm the active exam code in the Juniper and Pearson VUE portals. The JN0-352 page lists JNCIA-Junos as the prerequisite, Pearson VUE delivery, 90 minutes, 65 multiple-choice questions, English-only delivery, Junos 23.1 software alignment, immediate pass/fail status, and three-year certification validity. Objectives cover Layer 2 switching and VLANs, bridging, frame processing, tagging, native and voice VLANs, inter-VLAN routing, STP and RSTP, port roles and states, BPDUs, Layer 2 protection, port security, MAC limiting, DHCP snooping, dynamic ARP inspection, IP source guard, MACsec, storm control, Layer 2 firewall filters, protocol-independent routing, static, aggregate and generated routes, martian addresses, routing instances, RIB groups, load balancing, filter-based forwarding, OSPF, IS-IS, BGP, GRE and IP-IP tunnels, high availability, LAG, RTG, Virtual Chassis, graceful restart, GRES, NSR, NSB, BFD, VRRP, ISSU, and troubleshooting tools. HiraEdu supports legitimate preparation with objective mapping, switching labs, routing labs, high-availability scenarios, troubleshooting drills, timed practice, prerequisite checks, Pearson VUE scheduling planning, ID readiness, accommodations reminders, and recertification planning.