免費PDF JN0-481 PDF題庫|高通過率的考試材料|一流的JN0-481：Data Center, Specialist (JNCIS-DC)

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Juniper JN0-481 Exam Syllabus Topics:

SectionObjectives
Topic 1: Blueprint Operations- Day-2 Operations
  • 1. Monitoring and troubleshooting
  • 2. Configuration anomalies
  • 3. Rollback and audit operations
  • 4. System maintenance
Topic 2: Juniper Apstra Architecture- Apstra Components
  • 1. Blueprint architecture
  • 2. Reference designs
  • 3. Agents and services
  • 4. Intent-based networking concepts
Topic 3: Intent-Based Analytics- Analytics and Visibility
  • 1. Intent-based analytics probes
  • 2. Health scoring
  • 3. Graph explorer
  • 4. Graph queries
Topic 4: Data Center Architectures- IP Fabrics
  • 1. Underlay and overlay concepts
  • 2. EVPN-VXLAN fundamentals
  • 3. Routing and switching concepts
  • 4. Spine-leaf architectures
Topic 5: Apstra Design Phase- Blueprint Design
  • 1. Fabric design workflows
  • 2. Rack types and connectivity
  • 3. Templates and resources
  • 4. Logical devices
Topic 6: Apstra Build and Deploy Phases- Deployment Operations
  • 1. Fabric validation
  • 2. Device onboarding
  • 3. Cabling and staging
  • 4. Configuration deployment
Topic 7: Data Center Multitenancy- Tenant Services
  • 1. Tenant isolation
  • 2. Security policies
  • 3. Connectivity templates
  • 4. VRFs and routing zones

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實用的Juniper JN0-481：Data Center, Specialist (JNCIS-DC) PDF題庫 - 完全覆蓋的Fast2test JN0-481考古題更新

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最新的 JNCIS-DC JN0-481 免費考試真題 (Q90-Q95):

問題 #90
You want to apply a configlet to a specific device using Juniper Apstra. Which two parameters would be used to accomplish this task? (Choose two.)

答案：A,B

解題說明：
To apply a configlet to a specific device using Juniper Apstra, you need to specify the device's hostname and tags. The hostname is the unique identifier of the device in the Apstra system, and the tags are the labels that you can assign to the device to group it with other devices that share the same characteristics. You can use the hostname and tags to filter the devices that you want to apply the configlet to in the blueprint catalog.


問題 #91
You want to add a configuration that is not supported by Juniper Apstra reference architecture using a configlet.
Which two configurations would be applicable in this scenario? (Choose two.)

答案：C,D

解題說明：
A configlet is a configuration template that augments Apstra's reference design with non-native device configuration. They consist of one or more generators. Each generator specifies a NOS type (config style), when to render the configuration, and CLI commands (and file name as applicable).
Some applications for configlets include the following:
- Syslog
- SNMP access policy
- TACACS / RADIUS
- Management ACLs
- Control plane policing
- NTP
- Username / password


問題 #92
You must enable ECMP load balance in your three-stage EBGP IP Clos fabric.
In this scenario, which two features are required? (Choose two.)

答案：B,D

解題說明：
A load-balance policy applied to the forwarding table is required to instruct the device to perform ECMP (Equal-Cost Multi-Path) load balancing across multiple next hops in the forwarding plane.
multipath multiple-as applied to the BGP group is necessary when EBGP peers are in different ASNs, as in a typical IP Clos fabric, to allow multiple paths from different ASNs to be installed for ECMP.


問題 #93
What are two types of virtual networks defined inside Juniper Apstra software? (Choose two.)

答案：A,D

解題說明：
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


問題 #94
Juniper Apstra provides five different predefined user roles.
Given this information, what is the main difference between the administrator and the user role?

答案：D

解題說明：
The key difference is that the administrator role in Juniper Apstra can manage system-wide settings and make changes to other user roles, while the user role is limited to operational tasks within assigned blueprints and cannot make any changes to other user types.


問題 #95
......

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