P.S. VCESoft在Google Drive上分享了免費的、最新的JN0-481考試題庫：https://drive.google.com/open?id=17Im67ue4VqrzdUfzl86eZemw61c7j8my
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問題 #43
Referring to the exhibit, which role does Device A serve in an IP fabric?
答案：C
解題說明：
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.
問題 #44
Using the Juniper Apstra multitenancy capabilities, which approach will allow a tenant to interconnect two different routing zones?
答案：A
解題說明：
A routing zone is an L3 domain, the unit of tenancy in multi-tenant networks. You create routing zones for tenants to isolate their IP traffic from one another, thus enabling tenants to re-use IP subnets. In addition to being in its own VRF, each routing zone can be assigned its own DHCP relay server and external system connections. You can create one or more virtual networks within a routing zone, which means a tenant can stretch its L2 applications across multiple racks within its routing zone. For virtual networks with Layer 3 SVI, the SVI is associated with a Virtual Routing and Forwarding (VRF) instance for each routing zone isolating the virtual network SVI from other virtual network SVIs in other routing zones. If you're using multiple routing zones, external system connections must be from leaf switches in the fabric. Routing between routing zones must be accomplished with external systems.
問題 #45
You want to route between tenants in a multitenant environment in Juniper Apstr a. What are two ways to accomplish this task? (Choose two.)
答案：B,D
解題說明：
In Apstra 5.1 multitenancy, tenants are modeled as routing zones, and each routing zone maps to a distinct VRF to provide strict Layer 3 isolation. Because each tenant's VRF is separate, "routing between tenants" is effectively inter-VRF routing. Apstra's routing-zone behavior emphasizes that inter-tenant routing is achieved via external systems: you connect each tenant/routing zone to an external router or firewall (often attached to border leafs), and that external device performs the policy-controlled inter-VRF routing between tenants. This approach is the most common because it centralizes security and compliance controls (stateful inspection, zone policies, NAT, logging) on the firewall/router while keeping the fabric clean and consistent.
A second method is to perform inter-VRF routing on a VTEP-capable border leaf that terminates the tenant VRFs. In EVPN-VXLAN designs, border leafs are frequently the demarcation where tenant VRFs connect to outside domains; when the same border leaf hosts multiple tenant VRFs and is designed to provide L3 services for them, it can act as the routing point between VRFs (subject to your design and security requirements). Junos v24.4 supports VRFs and policy constructs required for controlled route exchange and forwarding behavior, but Apstra's intent model still expects routing-zone isolation by default-so any inter-tenant connectivity should be explicitly designed and governed, typically at the border.
問題 #46
Referring to the exhibit, when you create the virtual network, which another component is automatically created by Juniper Apstra?
答案：B
解題說明：
As shown in the exhibit, the "Create Connectivity Templates for" option is checked (for Untagged), which means Juniper Apstra will automatically generate a connectivity template along with the creation of the virtual network. This template allows the new virtual network to be easily applied to interfaces across the fabric.
問題 #47
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?
答案：D
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 #48
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JN0-481題庫: https://www.vcesoft.com/JN0-481-pdf.html
從Google Drive中免費下載最新的VCESoft JN0-481 PDF版考試題庫：https://drive.google.com/open?id=17Im67ue4VqrzdUfzl86eZemw61c7j8my