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Juniper JN0-352 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: High Availability and Resiliency | 5-10% | - Graceful restart and non-stop routing - Network resiliency design and troubleshooting - Redundancy protocols and failover mechanisms |
| Topic 2: IS-IS | 10-15% | - Configuration and route exchange - Scalable enterprise deployment and troubleshooting - Adjacency establishment, levels and metrics |
| Topic 3: OSPF | 15-20% | - Neighbor formation, area design and LSA types - Route summarization and redistribution - Configuration, verification and troubleshooting |
| Topic 4: Layer 2 Switching and VLANs | 15-20% | - VLAN concepts, configuration, trunking and tagging - Link Aggregation Groups (LAG) and Virtual Chassis - Spanning Tree Protocol (STP, RSTP, MSTP) operation and configuration |
| Topic 5: Protocol Independent Routing | 10-15% | - Routing instances and route selection criteria - Basic routing policy and filter operation - Routing tables, static routes and route preference |
| 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: BGP | 15-20% | - Routing policies, filtering and common troubleshooting - Route advertisement, attributes and path selection - Neighbor relationships and session establishment |
| Topic 8: Tunnels and Overlays | 5-10% | - GRE, IP-IP and dynamic tunnel configuration - Tunnel types, encapsulation and operation - Overlay network design and connectivity |
| Topic 9: Layer 2 Security | 10-15% | - DHCP snooping, Dynamic ARP Inspection and IP Source Guard - Layer 2 firewall filters and security features - Port security, MAC limiting and storm control |
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Question 1
Which command displays the output shown in the exhibit?
A. show ethernet-switching table
B. show route forwarding-table family ethernet-switching
C. show route forwarding-table
D. show ethernet-switching table extensive
Question 2
Your BGP neighbors, one in the USA and one in France, are not establishing a connection with each other.
Referring to the exhibit, which statement is correct?
A. The BFD liveness must be configured on the BGP group.
B. The BFD liveness is set too low.
C. The BFD liveness must be configured on the BGP neighbor.
D. The BFD liveness is set too high.
Question 3
Which statement is true about IP-IP tunnels?
A. The packet is encapsulated unchanged before entering the tunnel.
B. The packet header is replaced before entering the tunnel.
C. IP-IP tunnels are protocol agnostic.
D. The time-to-live value of the original packet is decremented.
Question 4
What are two characteristics of RSTP alternate ports? (Choose two.)
A. RSTP alternate ports are active ports used to forward frames toward the root bridge.
B. RSTP alternate ports provide an alternate lower cost path to the root bridge.
C. RSTP alternate ports provide an alternate higher cost path to the root bridge.
D. RSTP alternate ports block traffic while receiving superior BPDUs from a neighboring switch.
Question 5
Which statement about the default action of MAC limiting is true when the number of MAC addresses has hit the limit set?
A. The switch will shut down MAC learning on the offending port for five minutes.
B. The switch stops learning MAC addresses on the offending port, but floods traffic out of all ports for the offending MAC address.
C. The switch stops learning MAC addresses on the offending port, and any traffic to or from the offending MAC address will be dropped.
D. The switch will shut down the offending port for five minutes.
Solutions:
| Question 1 Answer: A | Question 2 Answer: C | Question 3 Answer: C | Question 4 Answer: C,D | Question 5 Answer: C |
