検証する-完璧なJN0-481試験情報試験-試験の準備方法JN0-481試験問題解説集

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Juniper JN0-481 認定試験の出題範囲：

トピック	出題範囲
トピック 1	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.
トピック 2	Intent-Based Analytics: Covers Apstra's analytics tools including Graph Explorer, graph queries, and intent-based analytics probes for network monitoring, validation, and troubleshooting.
トピック 3	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.
トピック 4	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.
トピック 5	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.

>> JN0-481試験情報 <<

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Juniper Data Center, Specialist (JNCIS-DC) 認定 JN0-481 試験問題 (Q53-Q58):

質問 # 53
Which statement is correct about an event log?

A. It runs on the worker node.
B. You can view the configuration of a device.
C. It stores alerts for anomalies in the event log.
D. It can be exported to a PDF file.

正解：C

解説：
In Juniper Apstra 5.1, the Event Log is a centralized record used for auditing and operational visibility. It includes audit events (user/system actions) and anomaly-related alerts (events generated when Apstra detects abnormal conditions). In Apstra documentation, anomaly entries are explicitly treated as "Alert" records with high severity, meaning the Event Log is a valid place to review anomaly notifications and their associated details. Therefore, the statement that the Event Log stores alerts for anomalies is correct.
The other options do not match the Event Log function. Viewing a device's configuration is handled in device configuration and blueprint operational views, not as the primary purpose of the Event Log. Export behavior, where supported, is described for formats such as CSV rather than PDF, and exporting dashboards is a separate capability from event logging. Finally, while worker nodes are used to offload operational services (such as off-box agents and IBA components), the Event Log is a platform logging feature exposed through the controller UI/API rather than something described as "running on the worker node" as its defining trait.
Verified Juniper sources (URLs):
https://www.juniper.net/documentation/us/en/software/apstra5.1/apstra-user-guide/topics/topic-map/event-log.html
https://www.juniper.net/documentation/us/en/software/apstra5.0/apstra-user-guide/topics/topic-map/event-log.html
https://www.juniper.net/documentation/us/en/software/apstra5.1/apstra-user-guide/topics/topic-map/syslog-config.html

質問 # 54
What is the built-in probe that alerts network operators when traffic is cleared from a device placed into maintenance mode?

A. processor probe
B. device system health probe
C. drain traffic anomaly probe
D. maintenance probe

正解：C

解説：
The drain traffic anomaly probe is a built-in probe in Juniper Apstra that alerts network operators when traffic is not properly drained from a device placed into maintenance mode. It helps ensure that no active traffic remains on the device before it is taken out of service, preventing potential disruptions.

質問 # 55
You have a virtual network that needs controlled access to other virtual networks in the same routing zone. Using the Juniper Apstra Ul. which feature would be used to accomplish this task?

A. interface policy
B. security policy
C. anti-affinity policy
D. routing policy

正解：B

解説：
A security policy is the feature that would be used to accomplish the task of controlling access to other virtual networks in the same routing zone using the Juniper Apstra UI. A security policy allows you to define rules that specify which traffic is allowed or denied between different virtual networks, IP endpoints, or routing zones. A security policy can be applied to one or more virtual networks in the same routing zone, and it can use various criteria to match the traffic, such as source and destination IP addresses, protocols, ports, or tags. A security policy can also support DHCP relay, which enables the forwarding of DHCP requests from one virtual network to another.

質問 # 56
You are building an IP fabric and have decided to use Junos devices to create an EBGP underlay. You must ensure that traffic is load balanced throughout your fabric.
You must also ensure that regardless of the path used through the fabric that all traffic is handled consistently and load balanced predictably.
According to Juniper Networks, what are three best practices that you should employ to help you achieve the desired behavior? (Choose three.)

A. All leaf devices should be the same model including linecards and port density.
B. Each leaf device must use the same link speed for all uplinks to the spine devices.
C. Each leaf device should be a different model including linecards and port density.
D. Leaf devices should use a variety of link speeds for each uplink to the spine devices.
E. All spine devices should be the same model including linecards and port density.

正解：A、B、E

質問 # 57
You have recently committed a change after creating a new blueprint in Juniper Apstra. In the main dashboard, you see a number of anomalies related to BGR What is a likely cause of these anomalies?

A. You have misconfigured ASNs.
B. The fabric has not converged yet.
C. A generic system has not been configured.
D. Spine-leaf links are incorrectly set.

正解：B

解説：
In Juniper Apstra, a blueprint is a logical representation of the network design and configuration.
When you create a new blueprint, you need to commit the changes to apply them to the network devices. However, committing the changes does not mean that the network is immediately updated and operational. It may take some time for the network to converge and reflect the new state of the blueprint. During this time, you may see some anomalies related to BGP in the main dashboard, which indicate that the BGP sessions are not established or stable between the devices. These anomalies are usually temporary and will disappear once the network converges and the BGP sessions are up and running.

質問 # 58
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JN0-481試験問題解説集: https://jp.fast2test.com/JN0-481-premium-file.html

さらに、Fast2test JN0-481ダンプの一部が現在無料で提供されています：https://drive.google.com/open?id=1ESlNLxUy6XDakdUww728cwgEzbdh3kV2