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Juniper JN0-352 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Spanning Tree | - Convergence and reconvergence - STP and RSTP concepts, roles and states - Bridge Protocol Data Units (BPDUs) |
| Layer 2 Security | - Port security (MAC limiting, DHCP snooping, DAI, IP source guard) - BPDU, loop and root protection - Layer 2 firewall filters - MACsec and storm control |
| OSPF | - Router ID, adjacencies and neighbors - Areas and LSA types - Link-state database and packet types |
| Layer 2 Switching and VLANs | - Inter-VLAN routing - Native VLANs and voice VLANs - Ports and VLAN tagging - Bridging components - Frame processing |
| High Availability | - VRRP, NSR, NSB and BFD - Link Aggregation Groups and RTG - Virtual chassis and graceful restart |
| Protocol-Independent Routing | - Martian addresses and RIB groups - Static, aggregate, generated routes - Load balancing and filter-based forwarding |
| IS-IS | - Adjacencies and troubleshooting - Link-state database and PDUs - Levels, areas and metrics |
| Tunnels | - IP tunneling concepts - GRE and IP-IP configuration and troubleshooting |
| BGP | - Attributes and path selection - EBGP and IBGP peer interactions - BGP basic operations and message types |
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Question 1
What is the maximum allowable MTU size for a default GRE tunnel without IPv4 traffic fragmentation?
A. 1476 bytes
B. 1496 bytes
C. 1480 bytes
D. 1500 bytes
Question 2
Which statement describes the purpose of an integrated routing and bridging (IRB) interface on a Juniper Networks EX Series Switch?
A. It provides a Layer 3 gateway for a specific VLAN.
B. It replaces the need for trunk ports.
C. It performs Layer 2 switching across multiple VLANs.
D. It removes the need for routing instances.
Question 3
Which statement describes how a generated route determines its next hop?
A. It uses the next hop of the least-specific contributing route.
B. It uses a static next hop configured under the aggregate route hierarchy.
C. It uses the next hop of the first contributing route.
D. It uses the next hop of the primary contributing route.
Question 4
You are asked to explore deploying IS-IS in your network. What are two considerations in this scenario? (Choose two.)
A. TLVs are not required to support IPv6 reachability.
B. TLVs are not required to support IPv4 reachability.
C. TLVs are required to support IPv4 reachability.
D. TLVs are required to support IPv6 reachability.
Question 5
Which OSPF packet type is sent when an OSPF router detects its database is stale?
A. link-state acknowledgment
B. hello
C. database description
D. link-state request
Solutions:
| Question 1 Answer: A | Question 2 Answer: A | Question 3 Answer: D | Question 4 Answer: C,D | Question 5 Answer: D |
