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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: | JNCIE-ENT JNCIA-Junos JNCIP-ENT |
| Exam Format: | Multiple choice |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65 |
| Available Languages: | English |
| 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 |
|---|---|
| Topic 1: Layer 2 Switching and VLANs | - Native VLANs and voice VLANs - Inter-VLAN routing - Bridging components - Frame processing - Ports and VLAN tagging |
| Topic 2: Spanning Tree | - Convergence and reconvergence - STP and RSTP concepts, roles and states - Bridge Protocol Data Units (BPDUs) |
| Topic 3: High Availability | - VRRP, NSR, NSB and BFD - Link Aggregation Groups and RTG - Virtual chassis and graceful restart |
| Topic 4: BGP | - EBGP and IBGP peer interactions - Attributes and path selection - BGP basic operations and message types |
| Topic 5: Layer 2 Security | - Layer 2 firewall filters - BPDU, loop and root protection - Port security (MAC limiting, DHCP snooping, DAI, IP source guard) - MACsec and storm control |
| Topic 6: OSPF | - Link-state database and packet types - Areas and LSA types - Router ID, adjacencies and neighbors |
| Topic 7: IS-IS | - Levels, areas and metrics - Link-state database and PDUs - Adjacencies and troubleshooting |
| Topic 8: Protocol-Independent Routing | - Static, aggregate, generated routes - Load balancing and filter-based forwarding - Martian addresses and RIB groups |
| Topic 9: Tunnels | - IP tunneling concepts - GRE and IP-IP configuration and troubleshooting |
Juniper JN0-352 Exam — Honest Answers
Delivery is instant — payment triggers an automatic email within a minute, with unlimited installations and 24/7 assistance if nothing arrives within 2 hours (check spam). Updates arrive the same way: for 365 days, each new version is sent to your mailbox immediately upon release. And if you fail the corresponding JN0-352 exam within 60 days of purchase, we refund in full: submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam, processed within 7 days. Excluded: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. You can also exchange for two equal-value products free.
Yes — a free Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) demo is available to download before you decide. Evaluate the questions and answers yourself; every purchase then includes 365 days of free updates, renewable at 50% off afterward.
90 minutes for 65 questions. Practice seriously with the clock running — timed sessions in the LatestCram engine turn time pressure into routine before test day.
The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) is Juniper's certification exam for JNCIS-ENT, at the Specialist level. For IT workers with aspirations, it's essential proof of capability — the line that starts or advances a career. Related credentials include JNCIA-Junos, JNCIP-ENT, JNCIE-ENT.
The Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) blueprint spans 9 domains — including High Availability, Layer 2 Switching and VLANs, Protocol-Independent Routing. Allocate study time by weighting, and consult the full outline above for every subtopic.
JNCIA-Junos certification recommended or required. Vendors revise eligibility rules periodically, so confirm the current requirements on the official page (official JN0-352 exam page) before registering.
Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions:
You manage the Layer 2 network shown in the exhibit. You experience a failure on the ge-0/0/0 link between Switch-1 and Switch-2.
Which statement is correct about the expected behavior?
- A. Switch-2's ge-0/0/2 port role and state will transition to root and forwarding
- B. Switch-2's ge-0/0/2 port role and state will remain as designated and forwarding
- C. Switch-2 will remove itself from the RSTP topology
- D. Switch-2 will become the root bridge for a separate RSTP topology
Correct Answer: A 🗳️
You need to apply a Layer 2 firewall filter on a Juniper Networks EX Series Switch to block traffic from the source MAC address 00:12:34:56:00:07 entering the switch on ge-0/0/3. After committing the configuration, traffic from the MAC address still passes through. Referring to the exhibit, which statement is correct in this scenario?
- A. Firewall filters under family ethernet-switching cannot match on MAC addresses.
- B. The MAC address and mask in the firewall filter need to be explicit.
- C. The interface needs to be of type trunk for the filter to evaluate correctly.
- D. The filter is applied in the wrong direction.
Correct Answer: B 🗳️
Explanation: Only visible for LatestCram members. You can sign-up / login (it's free).
Which statement describes how Rapid Spanning Tree Protocol (RSTP) identifies an alternate port?
- A. An alternate port is the upstream port that provides a backup path to the root bridge and stays in the discarding state.
- B. An alternate port is the upstream port that provides the least-cost path to the root bridge.
- C. An alternate port is the upstream port that forwards traffic only when the designated port is overloaded.
- D. An alternate port is the upstream port that is not receiving BPDUs from the root bridge.
Correct Answer: A 🗳️
Explanation: Only visible for LatestCram members. You can sign-up / login (it's free).
Which mechanism is used to share routes between routing tables?
- A. routing instances
- B. RIB groups
- C. forwarding instances
- D. filter-based forwarding
Correct Answer: B 🗳️
You are asked to configure a redundant trunk group (RTG). Which two requirements would accomplish this task? (Choose two.)
- A. Interfaces within an RTG must be configured as trunk ports.
- B. Interfaces within an RTG can be configured as access ports.
- C. The RTG must be participating in a Spanning Tree topology.
- D. Both interfaces of an RTG must be configured to service the same VLANS.
Correct Answer: A,D 🗳️
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