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| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Data Center, Professional (JNCIP-DC) Exam |
| Exam Number: | JN0-683 |
| Exam Price: | $400 USD |
| Exam Duration: | 90 minutes |
| Related Certifications: | JNCIS-DC JNCIA-DC JNCIE-DC |
| Passing Score: | Variable (approx. 65%-70%) |
| Exam Format: | Scenario-based, Multiple choice |
| Available Languages: | English |
| Real Exam Qty: | 65 |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Juniper Learning Portal |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Juniper JN0-683 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Valid JNCIS-DC or JNCIS-ENT certification |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/data-center/jncip-dc.html |
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NEW QUESTION # 90
You are asked to implement VXLAN group-based policies (GBPs) in your data center. Which two statements are correct in (his scenario? (Choose two.)
Answer: A,C
Explanation:
* VXLAN Group-Based Policies (GBP):
* VXLAN Group-Based Policies are used to apply security policies consistently across the network. These policies are often tied to user or device identities rather than static IP addresses, which allows for more dynamic and scalable security management.
* Scalable Group Tags via RADIUS and 802.1X:
* Option B:VXLAN GBP can use scalable group tags configured on a RADIUS server, which are then pushed to network devices through 802.1X. This allows for centralized and automated policy application based on user or device identity.
* Consistent Security Policy Application:
* Option C:GBP ensures that security policies are consistently applied across the network, regardless of where a user or device connects. This consistency is crucial in environments where security policies must follow the user or device.
Conclusion:
* Option B:Correct-Group tags can be configured on a RADIUS server and pushed via 802.1X, enabling centralized policy management.
* Option C:Correct-GBP ensures consistent application of security policies, which is essential for maintaining security across a dynamic network environment.
NEW QUESTION # 91
Why is a designated forwarder required in a multihomed CE-to-PE VXLAN environmentusing EVPN signalling?
Answer: B
Explanation:
* Understanding Multihomed CE-to-PE VXLAN Environment:
* In a VXLAN environment using EVPN signaling, multiple PEs (Provider Edge devices) can be connected to the same CE (Customer Edge device). This setup is referred to as multihoming, where a CE device has multiple connections to the network to ensure redundancy and load balancing.
* Role of the Designated Forwarder:
* The designated forwarder (DF) is a mechanism used in EVPN to manage the forwarding of broadcast, unknown unicast, and multicast (BUM) traffic in a multihomed environment. The DF is selected to ensure that only one of the PEs forwards this type of traffic to the CE, preventing loops and unnecessary duplicate packets.
* Avoiding Duplicate Packets:
* Without a designated forwarder, all PEs connected to a multihomed CE could potentially forward the same packet to the CE, resulting in duplicate packets. This duplication can cause issues with packet processing on the CE, leading to inefficiencies and potential network problems.
Conclusion:
* Option D:Correct-The designated forwarder is essential to prevent duplicate packets from being received on multihomed hosts, ensuring that only one PE forwards BUM traffic to the CE.
NEW QUESTION # 92
Which statement is correct about a collapsed fabric EVPN-VXLAN architecture?
Answer: B
Explanation:
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.
NEW QUESTION # 93
Click the Exhibit button. You are troubleshooting a DCI connection to another data center. The BGP session to the provider is established, but the session to Border-Leaf-2 is not established.
Referring to the exhibit, which configuration change should be made to solve this problem?
Answer: D
Explanation:
The "accept-remote-nexthop" statement allows the router to accept prefixes with a next hop that is not directly connected, which can cause BGP neighbor sessions to fail if not needed or properly supported.
Removing "accept-remote-nexthop" from the OVERLAY group is a common fix to resolve BGP session establishment issues with EVPN neighbors.
NEW QUESTION # 94
Exhibit.
Referring tothe exhibit, which statement is correct?
Answer: B
Explanation:
* 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.
NEW QUESTION # 95
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