準確的JN0-683考古題分享和認證考試的領導者材料和最優質的JN0-683證照考試

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Juniper JN0-683 Exam Syllabus Topics:

Section	Weight	Objectives
EVPN-VXLAN Signaling	20%	- MAC learning and symmetric routing - CRB and ERB architectures - MBGP for EVPN - EVPN concepts and route types
Data Center Deployment and Management	20%	- Configuration management and automation - Software upgrades and management - Zero Touch Provisioning (ZTP)
Data Center Interconnect	15%	- EVPN-VXLAN based DCI - Inter-fabric stitching - Layer 2 and Layer 3 interconnect
Layer 3 Fabrics	20%	- Fabric scaling and high availability - IP fabric architecture and design - Routing protocols in IP fabrics
VXLAN	20%	- VXLAN configuration and monitoring - VXLAN control plane and data plane operation - VXLAN troubleshooting
Data Center Architecture and Security	5%	- Security features in data center networks - Traffic protection and segmentation

>> JN0-683考古題分享 <<

JN0-683證照考試 - JN0-683考古題介紹

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最新的 JNCIP-DC JN0-683 免費考試真題 (Q78-Q83):

問題 #78
Exhibit.

Referring to the exhibit, which statement is correct?

A. The MAC address is unknown and not in the forwarding table of the remote VTEP.
B. The remote VTEP is not responding.
C. The MAC address is known but not reachable by the remote VTEP
D. VNI 100 is not configured on the remote VTEP.

答案：A

解題說明：
* Analyzing the Exhibit Output:
* The command ping overlay tunnel-type vxlan is used to test the VXLAN tunnel between two VTEPs (VXLAN Tunnel Endpoints). The output shows a warning about missing hash parameters, but more importantly, it displays the result: End-System Not Present.
* Understanding the Response:
* The message End-System Not Present indicates that the remote VTEP (192.168.2.20) did not find the MAC address 00:00:5E:00:53:CC in its forwarding table. This typically means that the MAC address is unknown to the remote VTEP, and as a result, it could not forward the packet to the intended destination.
Conclusion:
* Option B:Correct-The MAC address is unknown and is not in the forwarding table of the remote VTEP, which is why the system reports that the "End-System" is not present.

問題 #79
You are deploying an IP fabric using EBGP and notice that your leaf devices areadvertising and receiving all the routes. However, the routes are not installed in the routing table and are marked as hidden.
Which two statements describe how to solve the issue? (Choose two.)

A. You need to configure loops 2.
B. You need to configure a next-hop self policy.
C. You need to configure multipath multiple-as.
D. You need to configure as-override.

答案：B,C

解題說明：
* Issue Overview:
* The leaf devices in an IP fabric using eBGP are advertising and receiving all routes, but the routes are not being installed in the routing table and are marked as hidden. Thistypically indicates an issue with the BGP configuration, particularly with next-hop handling or AS path concerns.
* Corrective Actions:
* B. You need to configure a next-hop self policy:This action ensures that the leaf devices modify the next-hop attribute to their own IP address before advertising routes to their peers. This is particularly important in eBGP setups where the next-hop may not be directly reachable by other peers.
* D. You need to configure multipath multiple-as:This setting allows the router to accept multiple paths from different autonomous systems (ASes) and use them for load balancing.
Without this, the BGP process might consider only one path and mark others as hidden.
* Incorrect Statements:
* A. You need to configure as-override:AS-override is used to replace the AS number in the AS- path attribute to prevent loop detection issues in MPLS VPNs, not in a typical eBGP IP fabric setup.
* C. You need to configure loops 2:There is no specific BGP command loops 2 relevant to resolving hidden routes in this context. It might be confused with allowas-in, which is used to allow AS path loops under certain conditions.
Data Center References:
* Proper BGP configuration is crucial in IP fabrics to ensure route propagation and to prevent routes from being marked as hidden. Configuration parameters like next-hop self and multipath multiple-as are common solutions to ensure optimal route installation and load balancing in a multi-vendor environment.

問題 #80
You are configuring an EVPN-VXLAN fabric with an edge-routed bridging (ERB) overlay. Where does Layer 3 routing occur in this architecture?

A. At the spine devices only.
B. At the server leaf (top-of-rack) devices.
C. At a centralized route reflector.
D. At the border leaf devices only.

答案：B

解題說明：
In an edge-routed bridging (ERB) overlay, the integrated routing and bridging (IRB) interfaces and Layer 3 gateway functionality are placed directly on the server leaf devices, moving routing as close to the endpoints as possible. This reduces the need to hairpin traffic through the spine and improves east-west traffic efficiency compared to a centrally-routed bridging (CRB) design.

問題 #81
You are implementing seamless stitching between two data centers and have a proposedconfiguration for a border leafdevice.
In this scenario, which two statements are correct? {Choose two.)

A. The ESI must be different in each data center.
B. The translation-vni must be different in each data center.
C. The translation-vni must match in both data centers.
D. The ESI must match in both data centers.

答案：B,D

解題說明：
* Understanding Seamless Stitching:
* Seamless stitching is used in EVPN to interconnect two data centers, allowing for consistent Layer 2 and Layer 3 connectivity across them. This is often achieved by translating VNIs (Virtual Network Identifiers) between the data centers.
* Translation-VNI:
* Option B:The translation VNI must be different in each data center to ensure that traffic can be correctly routed and distinguished as it crosses between the data centers. This differentiation helps to maintain the integrity of the traffic flows and prevents any potential overlap or conflict in VNIs.
* Ethernet Segment Identifier (ESI):
* Option D:The ESI must match in both data centers to ensure that the same Ethernet segment (which could be multihomed) is recognized consistently across the data centers. Matching ESIs are crucial for maintaining a unified view of the Ethernet segment across the interconnected fabric.
Conclusion:
* Option B:Correct-Translation VNIs must be unique to each data center for proper traffic distinction.
* Option D:Correct-Matching ESIs are necessary to maintain consistent Ethernet segment identification across both data centers.

問題 #82
Which statement is correct about a collapsed fabric EVPN-VXLAN architecture?

A. It supports multiple vendors in the fabric as long as all the spine devices are Juniper devices deployed with L2 VTEPs
B. Border gateway functions occur on border leaf devices.
C. Using Virtual Chassis at the leaf layer increases resiliency.
D. Fully meshed back-to-back links are needed between the spine devices.

答案：B

解題說明：
Border gateway functions occur on border leaf devices: In a collapsed fabric EVPN-VXLAN architecture, the border leaf devices are responsible for interconnecting the data center to external networks (such as the WAN or other data centers). These devices perform the border gateway functions, such as handling routing and bridging for external communication.

問題 #83
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JN0-683是Juniper認證考試，所以通過JN0-683是踏上Juniper 認證的第一步。也因此JN0-683認證考試變得越來越火熱，參加JN0-683考試的人也越來越多，但是JN0-683認證考試的通過率並不是很高。當你選擇JN0-683考試時有沒有選擇相關的考試課程？

JN0-683證照考試: https://www.vcesoft.com/JN0-683-pdf.html

順便提一下，可以從雲存儲中下載VCESoft JN0-683考試題庫的完整版：https://drive.google.com/open?id=1kUwq7OhVkZtlX5iQpRHjn9I1089S2mtw