Juniper JN0-683認證 - JN0-683最新考證

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Juniper JN0-683 考試大綱：

主題簡介
主題 1
  • Data Center Multitenancy and Security: This section tests knowledge of single-tenant and multitenant data center setups. Candidates such as Data Center Professionals are evaluated on ensuring tenant traffic isolation at both Layer 2 and Layer 3 levels in shared infrastructure environments.
主題 2
  • VXLAN: This part requires knowledge of VXLAN, particularly how the control plane manages communication between devices, while the data plane handles traffic flow. Demonstrate knowledge of how to configure, Monitor, or Troubleshoot VXLAN.
主題 3
  • Data Center Interconnect: For Data Center Engineers, this part focuses on interconnecting data centers, covering Layer 2 and Layer 3 stretching, stitching fabrics together, and using EVPN-signaled VXLAN for seamless communication between data centers.
主題 4
  • Data Center Deployment and Management: This section assesses the expertise of data center networking professionals like architects and engineers, focusing on key deployment concepts. Topics include Zero-touch provisioning (ZTP), which automates device setup in data centers without manual input.
主題 5
  • Layer 3 Fabrics: This section measures the knowledge of professionals managing IP-based networks in data centers. It covers IP fabric architecture and routing, ensuring candidates understand how the network is structured for scalability and how traffic is routed efficiently.

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最新的 JNCIP-DC JN0-683 免費考試真題 (Q37-Q42):

問題 #37
Exhibit.

Connections between hosts connected to Leaf-1 and Leaf-2 are not working correctly.

答案：A,C


問題 #38
Which statement correctly describes anti-spoofing protection in an EVPN-VXLAN fabric using ARP inspection?

答案：D

解題說明：
Dynamic ARP inspection style anti-spoofing protection validates incoming ARP packets against a trusted binding table, typically built from DHCP snooping or previously learned EVPN Type 2 MAC/IP bindings, to confirm that the source MAC and IP addresses are legitimate. Packets that do not match a valid binding are dropped, preventing ARP spoofing and man-in-the-middle attacks within the fabric.


問題 #39
Which two statements are correct about an IP fabric? (Choose two.)

答案：C,D

解題說明：
* BGP in IP Fabric:
* In an IP fabric, Border Gateway Protocol (BGP) is used to manage the routing between leaf and spine devices. Each device can have the same or different Autonomous System (AS) numbers depending on the network design.
* Multipath Multiple-AS:
* Option B:If every device in the fabric has a different AS number, then enabling Equal-Cost Multi-Path (ECMP) routing requires the multipath multiple-as statement. This configuration allows BGP to consider multiple paths across different AS numbers as equal cost, enabling efficient load balancing across the network.
* Same AS Number Configuration:
* Option A:It's possible for all leaf devices to use the same AS number in an IP fabric, which simplifies the configuration. EBGP (External BGP) will still function correctly in this setup because BGP considers the peering relationship rather than strictly enforcing different AS numbers in this specific use case.
Conclusion:
* Option B:Correct-This statement is essential for enabling ECMP in a multi-AS environment.
* Option A:Correct-Leaf devices can share the same AS number without needing special EBGP configuration.


問題 #40
You want to convert an MX Series router from a VXLAN Layer 2 gateway to a VXLAN Layer 3 gateway for VNI 100. You have already configured an IRB interface.
In this scenario, which command would you use to accomplish this task?

答案：C

解題說明：
To convert the VXLAN Layer 2 gateway to a VXLAN Layer 3 gateway for VNI 100, you need to assign the IRB interface (which is configured for Layer 3 routing) to the relevant bridge domain.
This is accomplished with the command set bridge-domains VLAN-100 routing-interface irb.100.
This command links the IRB interface (irb.100) to the bridge domain (VLAN-100) and enables Layer 3 routing for that VNI.


問題 #41
You are deploying a solution to monitor your data center devices' interface RX statistics. The solution should be a push-based model. Which solution will accomplish this behavior?

答案：C

解題說明：
Junos Telemetry Interface supports a streaming telemetry model in which devices push operational statistics, such as interface RX counters, to a collector in real time. This provides a push-based monitoring mechanism rather than relying on periodic polling.


問題 #42
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