JN0-481考試資料,最新JN0-481試題

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Juniper JN0-481 考試大綱:

主題簡介
主題 1
  • Juniper Apstra Architecture: Introduces core Apstra components including the server, device agents, and UI, along with administrative features such as RBAC, event logging, and syslog.
主題 2
  • Data Center Architectures (IP Fabrics, EVPN-VXLAN): Covers spine-leaf topology design, ECMP load balancing, and underlay
  • overlay routing, along with EVPN and VXLAN concepts including route types, bridge domains, VNI-to-VLAN mapping, and VTEP functions.
主題 3
  • Apstra Design Phase: Covers pre-deployment planning elements such as reference designs, logical devices, device profiles, rack types, interface maps, and templates, including their configuration and troubleshooting.
主題 4
  • Blueprint Operations: Covers day-to-day blueprint management including making and reverting changes, querying, virtual networks, Time Voyager, anomaly detection, property sets, configlets, and configuration types.
主題 5
  • Data Center Multitenancy: Covers multi-tenant network management through routing zones, VRFs, virtual networks, connectivity templates, security policies, VMware integration, and Data Center Interconnect.
主題 6
  • Intent-Based Analytics: Covers Apstra's analytics tools including Graph Explorer, graph queries, and intent-based analytics probes for network monitoring, validation, and troubleshooting.

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最新的 JNCIS-DC JN0-481 免費考試真題 (Q16-Q21):

問題 #16
In the EVPN-VXLAN data center fabric bridged overlay architecture shown in the exhibit, the servers are connected to Lead and Leat6 using the same virtual network identifier (VNI). Which two statements are correct in this scenario? (Choose two.)

答案:C,D

解題說明:
In the EVPN-VXLAN data center fabric bridged overlay architecture shown in the exhibit, the servers are connected to Leaf1 and Leaf6 using the same virtual network identifier (VNI). This means that the servers belong to the same Layer 2 domain and can communicate with each other using VXLAN tunnels across the fabric. The underlay network provides the IP connectivity between the leaf and spine devices, and it uses EBGP as the routing protocol. Therefore, the following two statements are correct in this scenario:
Loopback IPv4 addresses must be advertised into the EBGP underlay from leaf and spine devices. This is because the loopback addresses are used as the source and destination IP addresses for the VXLAN tunnels, and they must be reachable by all the devices in the fabric.
The loopback addresses are also used as the router IDs and the BGP peer addresses for the EBGP sessions.
The underlay EBGP peering's must be established between leaf and spine devices. This is because the EBGP sessions are used to exchange the underlay routing information and the EVPN routes for the overlay network. The EBGP sessions are established using the loopback addresses of the devices, and they follow a spine-and-leaf topology, where each leaf device peers with all the spine devices, and each spine device peers with all the leaf devices.


問題 #17
In the Juniper Apstra Ul. which two resource types would be created in the Resources menu?
(Choose two.)

答案:A,B

解題說明:
The Resources menu in the Juniper Apstra UI allows you to create and manage various types of resources that are assigned to different elements of the network.
Resources include the following types:
- IPv4 (including Host IPv4)
- IPv6 (including Host IPv6)
- ASN (autonomous system number)
- VNI (virtual network identifier)
- VLAN (virtual local area network)
Integer (used for pool type VLAN in local pools in Freeform blueprints) Therefore, the correct answer is C and D. ASN pools and IP pools are two types of resources that can be created in the Resources menu. Bridge domain identifier (BDI) and DHCP pools are not applicable in this scenario, because they are not part of the resources types supported by Juniper Apstra.


問題 #18
What are two available Juniper Apstra template types? (Choose two.)

答案:A,C

解題說明:
In Juniper Apstra 5.1, a template is a design abstraction used to create a blueprint. It captures the intended topology shape and design rules without tying the design to a specific vendor's CLI. Apstra supports multiple template types to match common data center fabric architectures.
A rack-based template is used for the standard three-stage Clos (leaf-spine) approach. In this model, you define the spine logical devices and one or more rack types (containing leaf devices and optional endpoint constructs). This is the dominant pattern for EVPN-VXLAN IP fabrics: leaf switches provide server attachment, VXLAN encapsulation (VTEP function), and optional IRB gateways, while spines provide high-capacity L3 transit with ECMP.
A collapsed template is used for a spine-less (spineless) topology. Instead of a separate spine tier, a collapsed design models a fabric where leaf nodes interconnect in a mesh-like arrangement (as supported by the template type) to provide underlay reachability and redundancy. This can be useful for smaller environments or edge data centers where a full spine tier is unnecessary.
"Compressed" and "device-based" are not Apstra template types. Junos v24.4 is relevant when the blueprint is instantiated and deployed, but the template type selection is an Apstra design-time decision that determines the fabric topology class.


問題 #19
Which two statements are correct about Time Voyager? {Choose two.)

答案:A,B

解題說明:
Time Voyager is a feature of Juniper Apstra that allows you to restore previous revisions of a blueprint, which is a logical representation of your network design and configuration. Time Voyager automatically saves the five most recent blueprint commits, which are the changes that you apply to the network. You can also manually save up to twenty-five revisions by keeping them, which prevents them from being overwritten by new commits.


問題 #20
In Juniper Apstra, what are three valid deploy modes when assigning systems to your blueprint?
(Choose three.)

答案:A,D,E


問題 #21
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