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Juniper JN0-352 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IS-IS | 10-15% | - Scalable enterprise deployment and troubleshooting - Configuration and route exchange - Adjacency establishment, levels and metrics |
| Topic 2: OSPF | 15-20% | - Route summarization and redistribution - Neighbor formation, area design and LSA types - Configuration, verification and troubleshooting |
| Topic 3: BGP | 15-20% | - Routing policies, filtering and common troubleshooting - Route advertisement, attributes and path selection - Neighbor relationships and session establishment |
| Topic 4: Protocol Independent Routing | 10-15% | - Basic routing policy and filter operation - Routing tables, static routes and route preference - Routing instances and route selection criteria |
| Topic 5: Tunnels and Overlays | 5-10% | - GRE, IP-IP and dynamic tunnel configuration - Tunnel types, encapsulation and operation - Overlay network design and connectivity |
| Topic 6: IP Multicast | 5-10% | - IGMP operation and configuration - PIM Dense Mode, Sparse Mode and RP mechanisms - Multicast routing monitoring and troubleshooting |
| Topic 7: Layer 2 Security | 10-15% | - DHCP snooping, Dynamic ARP Inspection and IP Source Guard - Port security, MAC limiting and storm control - Layer 2 firewall filters and security features |
| Topic 8: High Availability and Resiliency | 5-10% | - Graceful restart and non-stop routing - Redundancy protocols and failover mechanisms - Network resiliency design and troubleshooting |
| Topic 9: Layer 2 Switching and VLANs | 15-20% | - VLAN concepts, configuration, trunking and tagging - Spanning Tree Protocol (STP, RSTP, MSTP) operation and configuration - Link Aggregation Groups (LAG) and Virtual Chassis |
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
1. You have configured a GRE tunnel. To reduce the risk of dropping traffic, you have configured a keepalive OAM probe to monitor the state of the tunnel; however, traffic drops are still occurring.
Referring to the exhibit, what is the problem?
A) For GRE tunnels, the OAM protocol requires that the BFD protocols also be used.
B) The "event link-adjacency-loss" option must be set.
C) The hold-time value must be two times the keepalive-time value
D) LLDP needs to be removed from the gr-1/1/10.1 interface.
2. Which three actions are required for filter-based forwarding? (Choose three.)
A) Create a RIB group for next-hop entries.
B) Create a forwarding option for load balancing.
C) Create routing instances for individual destinations.
D) Create routing policies for source addresses.
E) Create a firewall filter to match desired traffic.
3. Two routers share the same highest priority and start time. In this situation, what is evaluated next when determining the designated router?
A) The router with the highest router ID becomes the DR
B) The router with the highest MAC address become the DR
C) The routers perform another DR election.
D) The router with the lowest router ID become the DR.
4. You are asked to explore deploying IS-IS in your network. What are two considerations in this scenario? (Choose two.)
A) TLVs are required to support IPv6 reachability.
B) TLVs are not required to support IPv6 reachability.
C) TLVs are required to support IPv4 reachability.
D) TLVs are not required to support IPv4 reachability.
5. Which two actions are performed by the firewall filter shown in the exhibit? (Choose two.)
A) Frames without the 88:05:00:29:3c:de source MAC address are discarded and logged.
B) All traffic is permitted.
C) Frames with the 88:05:00:29:3c:de source MAC address are accepted and logged.
D) Term two requires a fromstatement.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A,D,E | Question # 3 Answer: A | Question # 4 Answer: A,C | Question # 5 Answer: B,C |






