Relevance beats volume every time — the GuideTorrent team refreshes the Juniper Data Center, Associate (JNCIA-DC) bank with realistic question styles, removes outdated items, and prioritizes coverage and accuracy over sheer numbers.
Juniper JN0-281 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Data Center, Associate (JNCIA-DC) |
| Exam Number: | JN0-281 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 65 |
| Available Languages: | English |
| Exam Price: | $200 USD |
| Related Certifications: | JNCIP-DC (Data Center, Professional) JNCIS-DC (Data Center, Specialist) JNCIE-DC (Data Center, Expert) |
| Exam Format: | Multiple choice, Multi-response |
| Exam Duration: | 90 minutes |
| Passing Score: | 60% - 70% (approximate, variable) |
| Recommended Training: | Juniper Learning Portal - JNCIA-DC Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No formal prerequisites; basic knowledge of Junos OS and data center networking recommended |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/data-center/jncia-dc.html |
Juniper JN0-281 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Protocol-Independent Routing | 15% | - Routing policy and firewall filters - Load balancing and route preference - Routing table and routing instances - Static routes |
| Topic 2: Data Center Routing Protocols | 20% | - BGP protocol fundamentals - OSPF protocol operation and configuration - Route redistribution - Routing in EVPN-VXLAN environments |
| Topic 3: Data Center Architectures | 20% | - Overlay and underlay networks - Traditional multi-tier architectures - IP fabric architectures (spine-leaf) - EVPN-VXLAN fundamentals - Layer 2 vs Layer 3 deployment models |
| Topic 4: Security, Automation and Management | 15% | - Management and monitoring tools - Data center security basics - Junos automation fundamentals |
| Topic 5: High Availability | 10% | - Redundancy concepts - Graceful restart and non-stop routing - Virtual Chassis and MC-LAG |
| Topic 6: Layer 2 Switching and VLANs | 20% | - Spanning Tree Protocol (STP) and variants - Ethernet switching concepts - Link aggregation (LACP) - Layer 2 security features - VLAN configuration and operation |
JN0-281 Exam Facts for Careful Buyers
- Protocol-Independent Routing (15%)
- Layer 2 Switching and VLANs (20%)
- High Availability (10%)
Juniper Data Center, Associate (JNCIA-DC) Sample Questions:
When configuring BGP, which command is commonly used to define a BGP neighbor?
- A. set bgp peer
- B. bgp set neighbor
- C. neighbor <IP_ADDRESS> remote-as <AS_NUMBER>
- D. add bgp connection
Correct Answer: C 🗳️
Which two statements are correct about BGP? (Choose two.)
- A. IBGP peers do not advertise routes learned from IBGP peers to other IBGP peers.
- B. EBGP sessions are typically established between router loopback interfaces.
- C. IBGP sessions are typically established between physical router interfaces.
- D. EBGP uses the AS path to avoid loops.
Correct Answer: A,D 🗳️
Fill in the blank: In BGP, a route received from an ___________ peer will not be advertised to another ___________ peer by default.
- A. EBGP, EBGP
- B. EBGP, IBGP
- C. Static, Dynamic
- D. IBGP, IBGP
Correct Answer: D 🗳️
Exhibit:
Referring to the exhibit, which behavior does this configuration enable on the ge-0/0/1.0 interface?
- A. This configuration enables the interface to learn and remember MAC addresses, until the device is rebooted.
- B. This configuration enables a MAC address learned on the interface to be persistently retained in the Ethernet-switching table, even after a reboot.
- C. This configuration enables the device to shut down the interface when a particular MAC address persistently sends broadcast traffic.
- D. This configuration enables the device to place a MAC address that persistently causes network errors into a special protected VLAN.
Correct Answer: B 🗳️
Explanation: Only visible for GuideTorrent members. You can sign-up / login (it's free).
Martian addresses are:
- A. Addresses used in MPLS.
- B. Addresses used for load balancing.
- C. Unroutable addresses that are generally filtered by routers.
- D. Special routes for interplanetary communication.
Correct Answer: C 🗳️
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