JN0-481 Latest Test Dumps | JN0-481 Top Exam Dumps

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Juniper JN0-481 Exam Syllabus Topics:

TopicDetails
Topic 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.
Topic 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.
Topic 3
  • 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.
Topic 4
  • Apstra Build and Deploy Phases: Covers fabric deployment tasks including agent installation, cable mapping, device states, deploy modes, and Blueprint UI usage, along with related monitoring and troubleshooting.
Topic 5
  • 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.
Topic 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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Juniper Data Center, Specialist (JNCIS-DC) Sample Questions (Q66-Q71):

NEW QUESTION # 66
Exhibit.

Referring to the exhibit, which role does Device A serve in an IP fabric?

Answer: D

Explanation:
Device A serves as a spine in an IP fabric. An IP fabric is a network architecture that uses a spine-leaf topology to provide high performance, scalability, and reliability for data center networks. A spine-leaf topology consists of two layers of devices: spine devices and leaf devices. Spine devices are the core devices that interconnect all the leaf devices using equal-cost multipath (ECMP) routing. Leaf devices are the edge devices that connect to the servers, storage, or other network devices. In the exhibit, Device A is connected to four leaf devices using multiple links, which indicates that it is a spine device. The other options are incorrect because:
A . leaf is wrong because a leaf device is an edge device that connects to the servers, storage, or other network devices. In the exhibit, Device A is not connected to any servers, storage, or other network devices, but only to four leaf devices, which indicates that it is not a leaf device.
C . super spine is wrong because a super spine device is a higher-level device that interconnects multiple spine devices in a large-scale IP fabric. A super spine device is typically used when the number of leaf devices exceeds the port density of a single spine device. In the exhibit, Device A is not connected to any other spine devices, but only to four leaf devices, which indicates that it is not a super spine device.
D . server is wrong because a server device is a compute or storage device that connects to a leaf device in an IP fabric. A server device is typically the end host that provides or consumes data in the network. In the exhibit, Device A is not connected to any leaf devices, but only to four leaf devices, which indicates that it is not a server device. Reference:
IP Fabric Underlay Network Design and Implementation
IP Fabric Overview
IP Fabric Architecture


NEW QUESTION # 67
How does Apstra use Fabric Device Management to ensure consistency across the network?

Answer: C


NEW QUESTION # 68
What is the primary reason for creating an Apstra worker node?

Answer: B

Explanation:
In Apstra 5.1, the worker node's primary purpose is to add scalable runtime capacity to an Apstra cluster by hosting off-box services that would otherwise consume resources on the controller. Specifically, worker nodes run containerized services such as off-box device agents (used to communicate with and manage devices) and Intent-Based Analytics (IBA) components (such as probes and analytics-related services). This design keeps the controller node focused on cluster management and control-plane functions (API handling, cluster-wide state, blueprint control workflows), while shifting resource-intensive operational services to worker nodes.
As your fabric grows-more switches, more telemetry, more devices requiring agent connectivity-CPU and memory demand increases notably, especially when IBA is enabled. Adding worker nodes allows you to scale those container workloads horizontally without redesigning the fabric or reducing analytics coverage. In a Juniper data center built on EVPN-VXLAN with Junos v24.4 leaf-spine roles, this separation helps ensure that Apstra can continuously validate intent, process streaming telemetry, and maintain device communications reliably at scale. Worker nodes therefore exist primarily to offload and scale operational agents and IBA services, improving performance and resilience for larger deployments.


NEW QUESTION # 69
What are two types of policies that Juniper Apstra uses to push to switches using Security Policies? (Choose two.)

Answer: B,D

Explanation:
Firewall filters are one of the policy types that Juniper Apstra pushes to switches to enforce security rules.
Access control lists (ACLs) are also used by Apstra security policies to control traffic flows at the switch level.


NEW QUESTION # 70
In a three-stage Clos network, what are important key design aspects of a data center fabric?
(Choose two.)

Answer: B,C

Explanation:
Fabric traffic enters and exits the border devices: In a three-stage Clos fabric, border leaf devices serve as the gateway between the internal fabric and external networks, such as the internet or WAN.
Servers are connected to leaf devices: Leaf switches are responsible for connecting endpoints like servers, storage systems, or other access layer devices.


NEW QUESTION # 71
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