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Juniper JN0-352 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist (JNCIS-ENT) |
| Exam Number: | JN0-352 |
| Related Certifications: | JNCIP-ENT JNCIA-Junos JNCIE-ENT |
| Exam Format: | Multiple choice |
| Real Exam Qty: | 65 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Sample Questions: | Juniper JN0-352 Sample Questions |
| Exam Way: | Delivered by Pearson VUE (onsite or online proctored). |
| Pre Condition: | JNCIA-Junos certification recommended or required. |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html |
Juniper JN0-352 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| IS-IS | - Adjacencies and troubleshooting - Link-state database and PDUs - Levels, areas and metrics |
| Layer 2 Switching and VLANs | - Ports and VLAN tagging - Inter-VLAN routing - Frame processing - Native VLANs and voice VLANs - Bridging components |
| BGP | - BGP basic operations and message types - EBGP and IBGP peer interactions - Attributes and path selection |
| OSPF | - Areas and LSA types - Router ID, adjacencies and neighbors - Link-state database and packet types |
| Spanning Tree | - Bridge Protocol Data Units (BPDUs) - STP and RSTP concepts, roles and states - Convergence and reconvergence |
| High Availability | - Virtual chassis and graceful restart - VRRP, NSR, NSB and BFD - Link Aggregation Groups and RTG |
| Protocol-Independent Routing | - Load balancing and filter-based forwarding - Martian addresses and RIB groups - Static, aggregate, generated routes |
| Layer 2 Security | - Port security (MAC limiting, DHCP snooping, DAI, IP source guard) - BPDU, loop and root protection - MACsec and storm control - Layer 2 firewall filters |
| Tunnels | - IP tunneling concepts - GRE and IP-IP configuration and troubleshooting |
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
Which two types of tunnels are able to be created on all Junos devices? (Choose two.)
- A. STP
- B. IPsec
- C. IP-IP
- D. GRE
Correct Answer: C,D 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
You are receiving the BGP route shown in the exhibit from four different upstream ISPs.
Referring to the exhibit, which ISP will be selected as the active path?
- A. ISP 3
- B. ISP 2
- C. ISP 1
- D. ISP 4
Correct Answer: D 🗳️
Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).
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. Configure the interface as a trunk port.
- C. Enter the clear ethernet switching table persistent learningcommand.
- D. Enter the clear dhcp snooping databasecommand.
Correct Answer: C 🗳️
Which statement is true about IP-IP tunnels?
- A. The packet is encapsulated unchanged before entering the tunnel.
- B. The time-to-live value of the original packet is decremented.
- C. IP-IP tunnels are protocol agnostic.
- D. The packet header is replaced before entering the tunnel.
Correct Answer: C 🗳️
You need to block SSH (TCP port 22) traffic from the 192.168.10.0/24 network. Which firewall filter term is correct in this scenario?
- A. term block-ssh { from { source-address 192.168.10.0/24; protocol tcp; source-port 22; } then discard; }
- B. term block-ssh { from { destination-address 192.168.10.0/24; protocol tcp; destination-port 22; } then discard; }
- C. term block-ssh { from { source-address 192.168.10.0/24; protocol tcp; destination-port 22; } then discard; }
- D. term block-ssh { from { source-address 192.168.10.0/24; service ssh; } then reject; }
Correct Answer: C 🗳️
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