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| Section | Objectives |
|---|---|
| Data Center Deployment and Management | - Data Center Deployment Concepts
|
| Data Center Interconnect | - Configuration and Troubleshooting
|
| EVPN-VXLAN Signaling | - EVPN Concepts
|
| Layer 3 Fabrics | - Configuration and Troubleshooting
|
| Data Center Multitenancy and Security | - Security Concepts
|
| VXLAN | - Configuration and Troubleshooting
|
These Juniper JN0-683 dumps are real, updated, and error-free. It provides you with the essential Juniper JN0-683 exam knowledge that you need to prepare and pass the Juniper JN0-683 certification test with high scores. You can easily use all these three Juniper JN0-683 Exam Questions format. These formats are compatible with all devices, operating systems, and the latest browsers.
NEW QUESTION # 86
Exhibit.
Referring to the exhibit, the spinel device has an underlay BGP group that is configured to peer with its neighbors' directly connected interfaces. Which two statements are true in this scenario? (Choose two.)
Answer: A,D
Explanation:
* Understanding BGP Configuration in the Exhibit:
* The exhibit shows a BGP configuration on spine1 with a group named underlay, configured to peer with directly connected interfaces of other devices in the network.
* Multipath multiple-as:This statement allows the router to install multiple paths in the routing table for routes learned from different ASes, facilitating load balancing.
* Key Statements:
* A. The multihop statement is not required to establish the underlay BGP sessions:In this case, the BGP peers are directly connected (as indicated by their neighbor IP addresses), so the multihop statement is unnecessary. Multihop is typically used when BGP peers are not directly connected and packets need to traverse multiple hops.
* D. Load balancing for the underlay is configured correctly:The multipath { multiple-as; } statement in the configuration enables load balancing across multiple paths from different autonomous systems, which is appropriate for underlay networks in data center fabrics.
* Incorrect Statements:
* C. The multihop statement is required to establish the underlay BGP sessions:This is incorrect because the peers are directly connected, making the multihop statement unnecessary.
* B. Load balancing for the underlay is not configured correctly:This is incorrect because the configuration includes the necessary multipath settings for load balancing.
Data Center References:
* BGP configurations in EVPN-VXLAN underlay networks are crucial for ensuring redundancy, load balancing, and efficient route propagation across the data center fabric.
NEW QUESTION # 87
Exhibit.
The exhibit shows the truncated output of the show evpn database command.
Given this output, which two statements are correct about the host with MAC address 40:00:dc:01:00:04?
(Choose two.)
Answer: B,D
Explanation:
* Understanding the Output:
* The show evpn database command output shows the MAC address, VLAN, active source, timestamp, and IP address associated with various hosts in the EVPN instance.
* Analysis of the MAC Address:
* Option A:The MAC address 40:00:dc:01:00:04 is associated with the IP address 10.4.4.5, as indicated by the output in the IP address column. This confirms that this host has been assigned the IP 10.4.4.5.
* Option D:The active source for the MAC address 40:00:dc:01:00:04 is listed as 00:02:00:00:00:
04:00:04:00:00:04:00:04, which indicates that the host is connected via an ESI (Ethernet Segment Identifier) LAG (Link Aggregation Group). This setup is typicallyused in multi-homing scenarios to provide redundancy and load balancing across multiple physical links.
Conclusion:
* Option A:Correct-The host with MAC 40:00:dc:01:00:04 is assigned IP 10.4.4.5.
* Option D:Correct-The host is originating from an ESI LAG, as indicated by the active source value.
NEW QUESTION # 88
You are implementing VXLAN broadcast domains in your data center environment. Which two statements are correct in this scenario? (Choose two.)
Answer: B,D
Explanation:
* VXLAN Overview:
* VXLAN (Virtual Extensible LAN) is a network virtualization technology that encapsulates Layer
2 Ethernet frames into Layer 3 UDP packets for transmission over an IP network. It allows the creation of Layer 2 overlay networks across a Layer 3 infrastructure.
* Understanding VXLAN Components:
* VTEP (VXLAN Tunnel Endpoint):A VTEP is responsible for encapsulating and decapsulating Ethernet frames into and from VXLAN packets.
* VNI (VXLAN Network Identifier):A 24-bit identifier used to distinguish different VXLAN segments, allowing for up to 16 million unique segments.
* Correct Statements:
* C. Layer 2 frames are encapsulated by the source VTEP:This is correct. In a VXLAN deployment, the source VTEP encapsulates the original Layer 2 Ethernet frame into a VXLAN packet before transmitting it over the IP network to the destination VTEP, which then decapsulates it.
* A. A VXLAN packet does not contain a VLAN ID:This is correct. The VXLAN header does not carry the original VLAN ID; instead, it uses the VNI to identify the network segment. The VLAN ID is local to the switch and does not traverse the VXLAN tunnel.
* Incorrect Statements:
* B. The VNI must match the VLAN tag to ensure that the remote VTEP can decapsulate VXLAN packets:This is incorrect. The VNI is independent of the VLAN tag, and the VLAN ID does not need to match the VNI. The VNI is what the remote VTEP uses to identify the correct VXLAN segment.
* D. The VNI is a 16-bit value and can range from 0 through 16,777,215:This is incorrect because the VNI is a 24-bit value, allowing for a range of 0 to 16,777,215.
Data Center References:
* VXLAN technology is critical for modern data centers as it enables scalability and efficient segmentation without the constraints of traditional VLAN limits.
NEW QUESTION # 89
A Junos switch boots with a factory-default or zeroized configuration and the ZTP process takes over. Which three statements are correct about this ZTP process? (Choose three.)
Answer: B,C,E
Explanation:
During Zero Touch Provisioning, the switch first uses DHCP to obtain an IP address and provisioning parameters. It can receive software image information through DHCP options and verify or download the specified Junos version if required. It then retrieves and applies the assigned configuration file automatically to complete provisioning.
NEW QUESTION # 90
Click the Exhibit button.
You have implemented an ERB overlay topology with an EBGP underlay. VXLAN tunnels are forming with the spine device as the VTEP.
Referring to the exhibit, which change must be made to the group overlay configuration?
Answer: A
Explanation:
In an eBGP EVPN overlay, the spine will, by default, rewrite the BGP next-hop when advertising EVPN routes to other peers, which makes the spine appear as the VTEP and causes VXLAN tunnels to form toward it. Enabling the no-nexthop-change behavior preserves the original leaf's VTEP next-hop so VXLAN tunnels form between the leaf VTEPs instead of to the spine.
NEW QUESTION # 91
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