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[General] Valid Juniper JN0-683 - Tips To Pass JN0-683 Exam

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【General】 Valid Juniper JN0-683 - Tips To Pass JN0-683 Exam

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Juniper JN0-683 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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.
Topic 2
  • 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.
Topic 3
  • 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.
Topic 4
  • 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.

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Juniper Data Center, Professional (JNCIP-DC) Sample Questions (Q21-Q26):NEW QUESTION # 21
As part of the onboarding process for new switches being added to your data centers, your company uses Juniper Networks' ZTP process. As part of the ZTP process, a script is executed by the devices being onboarded.
Which statement is correct in this scenario?
  • A. The Junos ZTP process supports Python, SLAX, and Perl.
  • B. The Junos ZTP process supports Shell, Jscript, and Ansible.
  • C. The Junos ZTP process supports Jscript, Ansible, and Perl.
  • D. The Junos ZTP process supports Shell, Python, and SLAX.
Answer: D
Explanation:
Juniper Networks' ZTP (Zero Touch Provisioning) process automates the deployment of new devices by allowing them to fetch and execute scripts for configuration and setup as they are powered on and connected to the network.
Supported Scripting Languages:
The Junos OS supports several scripting languages that can be used during the ZTP process:
Shell scripts are often used for general automation tasks. Python is a widely supported language in Junos, offering powerful scripting capabilities for automating network tasks.
SLAX (Service Logic Execution Environment) is a scripting language specific to Junos, designed to automate configuration tasks and simplify network operations.

NEW QUESTION # 22
Exhibit.

Referring to the exhibit, when Host A sends an ARP request for Host B's IP address, which Junos feature does leaf1 require to send an ARP response back to Host A without having to send a broadcast frame over the fabric?
  • A. proxy ARP
  • B. DAD
  • C. proxy NDP
  • D. GARP
Answer: A
Explanation:
* Scenario Overview:
* In the exhibit, Host A is trying to resolve Host B's IP address (10.10.1.2) through ARP (Address Resolution Protocol). Normally, an ARP request would be broadcasted over the network, and the host owning the IP address (Host B) would respond.
* Role of Proxy ARP:
* Option Aroxy ARPallows a router or switch (in this case, leaf1) to respond to ARP requests on behalf of another host. Leaf1, knowing the MAC address of Host B through the EVPN MAC advertisement, can reply to Host A's ARP request directly without broadcasting the request across the entire network fabric. This feature reduces unnecessary traffic and increases network efficiency.
Conclusion:
* Option A:Correct-Proxy ARP enables leaf1 to respond to Host A's ARP request for Host B's IP without broadcasting over the IP fabric, thus providing the ARP response locally.

NEW QUESTION # 23
Exhibit.

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 the problem?
  • A. set protocols bgp group overlay export loopbacks
  • B. delete protocols bgp group UNDERLAY advertise-external
  • C. delete protocols bgp group OVERLAY accept-remote-nexthop
  • D. set protocols bgp group PROVIDER export LOOPBACKS
Answer: C
Explanation:
* Understanding the Configuration:
* The exhibit shows a BGP configuration on a Border-Leaf device. The BGP group UNDERLAY is used for the underlay network, OVERLAY for EVPN signaling, and PROVIDER for connecting to the provider network.
* The OVERLAY group has the accept-remote-nexthop statement, which is designed to accept the next-hop address learned from the remote peer as is, without modifying it.
* Problem Identification:
* The BGP session to Border-Leaf-2 is not established. A common issue in EVPN-VXLAN environments is related to next-hop reachability, especially when accept-remote-nexthop is configured.
* In typical EVPN-VXLAN setups, the next-hop address should be reachable within the overlay network. However, the accept-remote-nexthop can cause issues if the next-hop IP address is not directly reachable or conflicts with the expected behavior in the overlay.
* Corrective Action:
* D. delete protocols bgp group OVERLAY accept-remote-nexthop:Removing this command will ensure that the device uses its own IP address as the next-hop in BGP advertisements, which is standard practice in many EVPN-VXLAN setups. This change should help establish the BGP session with Border-Leaf-2.
Data Center References:
* Proper handling of BGP next-hop attributes is critical in establishing and maintaining stable BGP sessions, especially in complex multi-fabric environments like EVPN-VXLAN. Removing accept- remote-nexthop aligns with best practices in many scenarios.

NEW QUESTION # 24
You are deploying multiple Juniper switches at the same location. Your switches are currently using the factory-default configuration.
In this scenario, which two statements are correct? (Choose two.)
  • A. The switch will try to request an IP address from a DHCP server using only the management interface.
  • B. The switch will try to request an IP address from a DHCP server using all interfaces that are connected and are operational.
  • C. The DHCP server configuration can provide Junos version requirements to DHCP clients.
  • D. The DHCP server configuration cannot provide Junos version requirements to DHCP clients.
Answer: B,C
Explanation:
By default, Juniper switches with factory-default configurations attempt to obtain an IP address via DHCP on any connected and operational interface, not just the management interface.
The DHCP server configuration can include options to provide Junos version requirements, such as bootfile information, to DHCP clients for automated provisioning or upgrades.

NEW QUESTION # 25
Whatare two supported methods (or exporting data when using the Junos telemetry interface? (Choose two.)
  • A. using UDP
  • B. using gRPC
  • C. using SNMP
  • D. using REST
Answer: A,B
Explanation:
* Junos Telemetry Interface (JTI):
* The Junos Telemetry Interface is a framework that allows network operators to collect real-time telemetry data from Juniper devices. This data can be used for monitoring, analytics, and network automation.
* Data Export Methods:
* Option B:UDP (User Datagram Protocol)is a lightweight, connectionless protocol used for exporting telemetry data quickly with minimal overhead. While it doesn't guarantee delivery, it is suitable for high-speed data transfer where occasional packet loss is acceptable.
* Option D:gRPC (gRPC Remote Procedure Call)is a modern, high-performance method for data export that supports streaming and remote procedure calls, making it ideal for more complex telemetry data use cases.
Conclusion:
* Option B:Correct-UDP is supported for exporting telemetry data.
* Option D:Correct-gRPC is also supported, offering advanced streaming capabilities

NEW QUESTION # 26
......
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