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なんで悩んでいるのですか。JuniperのJN0-481認定試験にどうやって合格するかということを心配していますか。確かに、JN0-481認定試験に合格することは困難なことです。しかし、あまりにも心配する必要はありません。試験に準備するとき、適当な方法を利用する限り、楽に試験に合格することができないわけではないです。では、どんな方法が効果的な方法なのかわかっていますか。PassTestのJN0-481問題集を使用することが最善の方法の一つです。PassTestは今まで数え切れないIT認定試験の受験者を助けて、皆さんから高い評判をもらいました。この問題集はあなたの試験の一発合格を保証することができますから、安心に利用してください。
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Juniper Networks Certified Specialist - Data Center (JNCIS-DC) Exam |
| Exam Number: | JN0-481 |
| Available Languages: | English |
| Real Exam Qty: | 65 |
| Related Certifications: | JNCIP-DC (Data Center, Professional) JNCIA-DC (Data Center, Associate) JNCIE-DC (Data Center, Expert) |
| Exam Format: | Multi-Response, Multiple Choice |
| Certificate Validity Period: | 3 years |
| Exam Price: | $150 USD |
| Exam Duration: | 90 minutes |
| Passing Score: | 70% |
| Recommended Training: | Juniper Apstra Essentials Juniper Data Center Architectures |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Juniper JN0-481 Sample Questions |
| Exam Way: | Online proctored or Onsite at Pearson VUE test centers |
| Pre Condition: | Recommended: JNCIA-DC (Data Center, Associate) certification or equivalent knowledge |
| Official Syllabus URL: | https://www.juniper.net/training/certification/tracks/data-center/jncis-dc.html |
弊社のJuniper JN0-481問題集を使用した後、JN0-481試験に合格するのはあまりに難しくないことだと知られます。我々PassTest提供するJN0-481問題集を通して、試験に迅速的にパースする技をファンドできます。あなたのご遠慮なく購買するために、弊社は提供する無料のJuniper JN0-481問題集デーモをダウンロードします。
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質問 # 67
What are two types of virtual networks defined inside Juniper Apstra software? (Choose two.)
正解：B、D
解説：
In Apstra 5.1, a Virtual Network (VN) is Apstra's abstraction for a Layer 2 forwarding domain that groups endpoints into a logical segment across the fabric. Apstra defines virtual networks as being constructed using either VLANs or VXLANs. A VLAN-based VN represents a Layer 2 domain identified by a VLAN ID and is typically used where you want traditional VLAN semantics (often in smaller environments, migration scenarios, or designs where an overlay is not required). A VXLAN-based VN represents the same Layer 2 intent but uses a VXLAN VNI for scalable overlay segmentation, which is the common approach in EVPN-VXLAN data center fabrics.
In an IP fabric architecture, VXLAN provides encapsulation to carry tenant segments over the routed underlay, while EVPN provides the control-plane signaling for MAC/IP reachability. Junos v24.4 leaf devices act as VTEPs, mapping local VLANs/bridge-domains to VNIs and participating in EVPN for advertisement and convergence. Apstra's VN construct allows you to create the segment once (as VLAN or VXLAN type), then consistently attach it to racks, ports, and endpoints through intent-driven workflows (such as connectivity templates and virtual network assignments).
"L2 VPN" and "L3 VPN" are service provider terms and are not the VN "types" in Apstra's data center reference design. In Apstra, tenant L3 separation is modeled by routing zones (VRFs), while the VN itself is specifically either VLAN-based or VXLAN-based.
Verified Juniper sources (URLs):
https://www.juniper.net/documentation/us/en/software/apstra5.1/apstra-user-guide/topics/concept/virtual-networks.html
https://www.juniper.net/documentation/us/en/software/apstra5.1/apstra-user-guide/topics/topic-map/virtual-network-create.html
質問 # 68
You must configure a static route for traffic to exit a configured routing zone. In the Juniper Apstra Ul, where would you accomplish this task?
正解：D
解説：
To configure a static route for traffic to exit a configured routing zone, you need to use the Connectivity Templates feature in the Juniper Apstra UI. A Connectivity Template is a set of configuration parameters that can be applied to a device or a group of devices in a blueprint. You can use Connectivity Templates to configure static routes, BGP, OSPF, and other network services. To create a Connectivity Template, you need to go to the Staged tab and select Connectivity Templates from the left menu. Then, you can click on the + icon to create a new template. You can specify the name, description, and scope of the template. The scope determines which devices or device groups the template will be applied to. You can also specify the order of the template, which determines the priority of the template when multiple templates are applied to the same device. After creating the template, you can add configuration items to the template. To add a static route, you need to select Static Route from the drop-down menu and enter the destination network, subnet mask, and next- hop IP address. You can also specify the administrative distance and the track object for the static route. After adding the configuration items, you need to save the template and commit the changes to the blueprint.
質問 # 69
What are two types of virtual networks defined inside Juniper Apstra software? (Choose two.)
正解：B、D
解説：
Juniper Apstra supports two primary types of virtual networks within a data center fabric:
VLAN-based virtual networks - Used in simpler Layer 2 designs or collapsed architectures.
VXLAN-based virtual networks - Used in scalable, modern data center fabrics leveraging EVPN- VXLAN overlays for multi-tenant isolation and Layer 2 extension over Layer 3.
質問 # 70
Which attribute enables Juniper Apstra to scale and manage thousands of devices with a single server instance?
正解：A
解説：
The attribute that enables Juniper Apstra to scale and manage thousands of devices with a single server instance is that Apstra is a distributed state system. This means that Apstra uses a graph database to store the network topology and configuration data in a distributed and replicated manner across multiple server nodes. This allows Apstra to handle large-scale networks with high performance, reliability, and availability. Apstra also uses a stateful orchestration engine that ensures the network state is always consistent with the intent of the blueprint, which is the logical representation of the network design and behavior. Apstra can automatically detect and resolve any discrepancies between the desired and actual network state, as well as handle any changes or failures in the network.
質問 # 71
What are three phases of the Juniper Apstra data center life cycle? (Choose three.)
正解：A、D、E
解説：
Juniper Apstra describes data center fabric management as a full lifecycle that spans three core phases: Design (Day 0), Deployment (Day 1), and Operations (Day 2). These phases map directly to how Apstra applies intent-based networking to a data center fabric.
In the Design phase, you model the intended architecture-templates (3-stage or 5-stage), rack types, logical devices, interface maps, resource pools, and high-level constructs such as routing zones and virtual networks. The objective is to capture intent in a vendor-agnostic way while ensuring consistency and validation before anything is pushed.
In the Deployment phase, Apstra turns the modeled intent into device-level implementation. This includes onboarding systems, assigning device profiles, allocating resources, rendering configurations, and pushing the resulting configuration to switches so the IP fabric becomes operational. This is where Junos v24.4 leaf/spine nodes receive underlay and overlay configuration generated from the blueprint.
In the Operational phase, Apstra continuously validates the running network against intent using telemetry and analytics (IBA), detects deviations and anomalies, supports maintenance workflows (such as drain), and provides troubleshooting tools (queries, time-series utilization, and configuration compliance).
"Configuration" and "installation" are activities that occur within the lifecycle, but the lifecycle phases themselves are Design, Deployment, and Operations.
質問 # 72
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JN0-481基礎訓練: https://www.passtest.jp/Juniper/JN0-481-shiken.html
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