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Juniper JN0-352 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Protocol Independent Routing | 10-15% | - Routing tables, static routes and route preference - Basic routing policy and filter operation - Routing instances and route selection criteria |
| Topic 2: OSPF | 15-20% | - Configuration, verification and troubleshooting - Neighbor formation, area design and LSA types - Route summarization and redistribution |
| Topic 3: Layer 2 Switching and VLANs | 15-20% | - Link Aggregation Groups (LAG) and Virtual Chassis - VLAN concepts, configuration, trunking and tagging - Spanning Tree Protocol (STP, RSTP, MSTP) operation and configuration |
| Topic 4: BGP | 15-20% | - Route advertisement, attributes and path selection - Routing policies, filtering and common troubleshooting - Neighbor relationships and session establishment |
| Topic 5: High Availability and Resiliency | 5-10% | - Redundancy protocols and failover mechanisms - Graceful restart and non-stop routing - Network resiliency design and troubleshooting |
| Topic 6: IP Multicast | 5-10% | - Multicast routing monitoring and troubleshooting - IGMP operation and configuration - PIM Dense Mode, Sparse Mode and RP mechanisms |
| 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: IS-IS | 10-15% | - Adjacency establishment, levels and metrics - Scalable enterprise deployment and troubleshooting - Configuration and route exchange |
| Topic 9: Tunnels and Overlays | 5-10% | - GRE, IP-IP and dynamic tunnel configuration - Tunnel types, encapsulation and operation - Overlay network design and connectivity |
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
1. Which two statements are correct about VRRP? (Choose two.)
A) The virtual IP address must be unique on all participating devices
B) The VRRP group number must match on all participating devices
C) The VRRP group number must be unique on all participating devices
D) The virtual IP address must match on all participating devices
2. Click the Exhibit button. Devices on VLAN 5 and VLAN 7 need to communicate with each other.
Referring to the exhibit, what will satisfy this requirement?
A) Create an integrated routing and bridging (IRB) interface for each VLAN, assign the gateway IP to each IRB, and enable static routing.
B) Configure a family inet interface connecting the two VLANs and assign both subnet IPs to it using secondary addressing.
C) Add both VLANs to a single trunk port and enable the Multiple VLAN Registration Protocol.
D) Enable spanning tree on both VLANs and set the EX Series Switch as the root bridge.
3. A host is connected to your EX Series switch using an interface with persistent MAC learning enabled. When you connect the host to another interface on the same switch, all traffic generated by the host is dropped. Which action should you perform to solve the problem?
A) Disable dynamic ARP inspection.
B) Enter the clear dhcp snooping databasecommand.
C) Enter the clear ethernet switching table persistent learningcommand.
D) Configure the interface as a trunk port.
4. Which two characteristics describe the default behavior of aggregate routes? (Choose two.)
A) They use a default next hop of reject.
B) They advertise all contributing routes individually by default.
C) They hide internal routing instability from external peers.
D) They use a default next hop of discard.
5. You are a network operator troubleshooting BGP connectivity.
Which two statements are correct about the output shown in the exhibit? (Choose two.)
A) The BGP session is not established.
B) Peer 10.32.1.2 is configured for AS 63645.
C) The routers are exchanging IPv4 routes.
D) The R1 is configured for AS 65400.
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: A | Question # 3 Answer: C | Question # 4 Answer: A,C | Question # 5 Answer: C,D |





