Juniper JN0-481考試資料 & JN0-481學習資料

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Juniper JN0-481 考試大綱：

主題	簡介
主題 1	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 2	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.
主題 3	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 4	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 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	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.

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最新的 JNCIS-DC JN0-481 免費考試真題 (Q97-Q102):

問題 #97
What is correct about the selected device shown in the exhibit?

A. It is an access switch.
B. It is a peer switch.
C. It is an external generic system.
D. It is an internal generic system.

答案：C

解題說明：
In the exhibit, the selected node node100 is labeled as a Generic System. In Juniper Apstra, a generic system represents an external device (such as a server, firewall, or third-party system) that connects to the fabric but is not managed as part of the internal fabric infrastructure.
Therefore, it is an external generic system.

問題 #98
An operator is working on a capacity-panning exercise. The operator needs to examine the pre- built time series information regarding link utilization.
In the Juniper Apstra UI, which top-level tab would the operator have to access to find this information?

A. Staged
B. Analytics
C. Active
D. Dashboard

答案：B

解題說明：
In the Juniper Apstra UI, the Analytics tab provides access to pre-built time series data such as link utilization, device metrics, and traffic statistics. This is the correct location for operators to review historical and real-time utilization trends needed for capacity planning.

問題 #99
You are creating a new template that will connect two rack based templates together. Which rack type should be used to accomplish this rask?

A. collapsed
B. pod based
C. rack based
D. isolated

答案：B

問題 #100
Referring to the exhibit,

what happens when an operator clicks the Accept Changes button on the right side of the screen in Juniper Apstra?

A. Apstra will incorporate the new CLI into the "golden config".
B. Apstra will add a similar configuration from a known device context to accomplish the goal of the CLI-entered configuration.
C. Apstra will not commit new changes to this device until the user clicks the Apply Full Config button.
D. Apstra will stop warning about the changes, but the changes will be overwritten at the next commit.

答案：A

解題說明：
In Apstra 5.1, this screen represents a configuration deviation workflow: Apstra is comparing the intended (golden) configuration it generated from blueprint intent against the actual configuration currently on the device. When an operator makes a change directly on the switch CLI (for example, on a Junos v24.4 leaf), Apstra detects the difference and flags it as drift because it did not originate from the blueprint's intent model.
Clicking Accept Changes tells Apstra to adopt the device's current CLI state as the new accepted baseline for that device, effectively incorporating the observed CLI delta into Apstra's intended configuration for purposes of future comparison and compliance. In other words, Apstra stops treating that specific deviation as an error because it has been acknowledged and absorbed into the "golden config" (the intent-aligned configuration Apstra considers correct for that node). This is commonly used when an emergency change was made on-box and you want Apstra's source of truth to reflect it, rather than reverting it.
This differs from Apply Full Config, which is used to push Apstra's intended configuration down to the device to restore compliance. If you do not accept the change, a later commit/apply action can overwrite the CLI-entered configuration to re-align with blueprint intent.

問題 #101
You must enable ECMP load balance in your three-stage eBGP IP Clos fabric. In this scenario, which two features are required? (Choose two.)

A. multihop applied to the BGP group
B. A load-balance policy applied to the forwarding table
C. multipath multiple-as applied to the BGP group
D. A load-balance policy applied to the BGP group

答案：B,C

解題說明：
In a three-stage eBGP IP Clos, a leaf typically learns the same prefix through multiple spines, and those spines are commonly in different AS numbers (a standard Clos pattern for simplified operations and fault isolation). To install multiple equal-cost eBGP paths for the same destination, Junos requires BGP multipath and, when the candidate paths come from different neighbor ASs, you must use the multiple-as capability (expressed as "multipath multiple-as" in many designs) to bypass the default same-neighbor-AS restriction for multipath selection. This ensures multiple eligible eBGP next-hops can be accepted as equal-cost paths and installed.
Separately, to actually perform load balancing in the forwarding plane across those installed next-hops, Junos uses a load-balancing policy that is applied to the forwarding table via routing-options forwarding-table export <policy>. This policy (for example, per-packet or consistent-hash variants, depending on platform and intent) activates the forwarding behavior needed to distribute traffic over the ECMP set.
A "load-balance policy applied to the BGP group" is not the required mechanism for ECMP forwarding behavior in this context, and multihop is unnecessary in a Clos underlay because neighbors are typically directly connected.
Verified Juniper sources (URLs):
https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/topic-map/load-balancing-bgp-session.html

問題 #102
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JN0-481認證考試是Juniper 的認證考試中分量比較重的一個。但是要通過Juniper JN0-481認證考試不是那麼簡單。Fast2test為了給正在為JN0-481認證考試的備考的考生減輕壓力，節約時間和精力，專門研究了多種培訓工具，所以在Fast2test你可以選擇適合你的快速培訓方式來通過考試。

JN0-481學習資料: https://tw.fast2test.com/JN0-481-premium-file.html

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