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Juniper JN0-352 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: BGP | - BGP basic operations and message types - Attributes and path selection - EBGP and IBGP peer interactions |
| Topic 2: Layer 2 Security | - MACsec and storm control - BPDU, loop and root protection - Layer 2 firewall filters - Port security (MAC limiting, DHCP snooping, DAI, IP source guard) |
| Topic 3: Protocol-Independent Routing | - Static, aggregate, generated routes - Load balancing and filter-based forwarding - Martian addresses and RIB groups |
| Topic 4: IS-IS | - Link-state database and PDUs - Levels, areas and metrics - Adjacencies and troubleshooting |
| Topic 5: High Availability | - Link Aggregation Groups and RTG - VRRP, NSR, NSB and BFD - Virtual chassis and graceful restart |
| Topic 6: OSPF | - Link-state database and packet types - Areas and LSA types - Router ID, adjacencies and neighbors |
| Topic 7: Spanning Tree | - Bridge Protocol Data Units (BPDUs) - STP and RSTP concepts, roles and states - Convergence and reconvergence |
| Topic 8: Tunnels | - IP tunneling concepts - GRE and IP-IP configuration and troubleshooting |
| Topic 9: Layer 2 Switching and VLANs | - Inter-VLAN routing - Bridging components - Native VLANs and voice VLANs - Frame processing - Ports and VLAN tagging |
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Question 1
Which three statements are correct about OSPF packet types? (Choose three.)
A. Database description packets are used during the adjacency formation process.
B. Link-state acknowledgment packets are sent every 30 seconds.
C. Hello packets are sent every 30 seconds by default.
D. Link-state update packets contain one or more LSAs.
E. Link-state request packets are sent after receiving an LSA header not in the OSPF database.
Question 2
Refer to Exhibit:
R1 is not responding to ICMP requests sent to the VIP address.
Referring to the exhibit, which command option would you configure on the virtual address to correct this problem?
A. accept-data
B. no-preempt
C. advertise-interval
D. track
Question 3
What does the * indicate in the output shown in the exhibit?
A. The interface is down.
B. The switch ports have a router attached.
C. The interface is active.
D. All interfaces have elected a root bridge.
Question 4
Which statement is correct about the IS-IS ISO NET address?
A. You can only define a single ISO NET address per device.
B. An ISO NET address must be unique for each device in the network.
C. The Area ID must match on all devices within a L2 area.
D. An ISO NET address defined with a system ID of 0000.0000.0000 must be selected as the DIS.
Question 5
You have two OSPF routers that will not form an adjacency. You enter the show log trace- ospfcommand.
Referring to the exhibit, which statement is correct?
A. You are stuck in the ExStart state.
B. The wrong OSPF area has been configured.
C. There is a mismatched subnet.
D. The physical connection has been disconnected.
Solutions:
| Question 1 Answer: A,D,E | Question 2 Answer: A | Question 3 Answer: C | Question 4 Answer: B | Question 5 Answer: B |






