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Juniper JN0-683 Exam Questions
- Topic 1: 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 2: Describe Data Center Management Concepts: This part evaluates the ability to manage and monitor the performance and health of data center systems. It focuses on the use of analytics, especially telemetry, to collect and analyze data for performance optimization and issue resolution.
- Topic 3: IP Fabric Concepts: 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 4: Describe IP Fabric Best Practices: Here, professionals need to demonstrate an understanding of best practices in designing and managing IP fabrics. The focus is on optimizing routing and traffic management to ensure high performance and scalability.
- Topic 5: Configuring, Monitoring, or Troubleshooting an IP Fabric: This section tests the ability to configure and troubleshoot IP fabric systems. It includes VXLAN, which extends Layer 2 connectivity over Layer 3 infrastructure for scalable designs.
- Topic 6: VXLAN Concepts: 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 Configuring, Monitoring, or Troubleshooting VXLAN.
- Topic 7: EVPN Concepts: This section assesses an understanding of Ethernet VPN (EVPN) concepts, including route types, multicast handling, and Multiprotocol BGP (MBGP). It also covers EVPN architectures like CRB and ERB, MAC learning, and symmetric routing.
- Topic 8: Describe Data Center Interconnect (DCI) Concepts: 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 9: Demonstrate Knowledge of Configuring, Monitoring, or Troubleshooting DCI: Professionals must demonstrate skills in configuring and troubleshooting Data Center Interconnects (DCI), focusing on technologies like EVPN and VXLAN.
- Topic 10: 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.
Free Juniper JN0-683 Exam Actual Questions
Note: Premium Questions for JN0-683 were last updated On Oct. 08, 2024 (see below)
You are deploying a new network lo support your Al workloads on devices that support at least 400 Gbps Ethernet. There is no requirement for any Layer 2 VLANs in this network. Which network architecture would satisfy this requirement?
Requirements for AI Workloads:
The scenario requires a network that supports at least 400 Gbps Ethernet and does not require Layer 2 VLANs. This setup is well-suited for a pure Layer 3 network, which can efficiently route traffic between devices without the overhead or complexity of maintaining Layer 2 domains.
Choosing the Right Network Architecture:
Option D: An IP fabric using EBGP (External BGP) is ideal for this scenario. In a typical IP fabric, EBGP is used to handle routing between spine and leaf switches, creating a scalable and efficient network. Since there is no need for Layer 2 VLANs, the pure IP fabric design with EBGP provides a straightforward and effective solution.
Options A, B, and C involve more complex architectures (like VXLAN or EVPN), which are unnecessary when there's no requirement for Layer 2 overlays or VLANs.
Conclusion:
Option D: Correct---An IP fabric with EBGP is the most suitable and straightforward architecture for a network that needs to support high-speed AI workloads without Layer 2 VLANs.
You are preparing an sFlow monitoring system configuration.
In this scenario, what Information will be included in the datagram sent to the sFlow collector? (Choose two.)
Understanding sFlow Monitoring:
sFlow is a packet sampling technology used to monitor traffic in a network. It sends sampled packet data and interface counters to an sFlow collector, which analyzes the traffic patterns.
Information Included in sFlow Datagram:
Option A: The datagram sent to the sFlow collector includes information about the interface through which the packets entered the agent (the switch or router). This is crucial for understanding where in the network the traffic was captured.
Option D: sFlow datagrams also include the source and destination VLAN for the sampled packets. This allows for detailed analysis of the traffic flow within different VLANs.
Conclusion:
Option A: Correct---The ingress interface is included in the sFlow datagram.
Option D: Correct---The source and destination VLANs are also included, providing context for the sampled traffic.
You are deploying multiple Juniper switches al the same location. Your switches are currently using the factory-default configuration.
In this scenario, which two statements are correct? (Choose two.)
DHCP Behavior in Factory-Default Configuration:
Option B: In the factory-default configuration, Juniper switches are designed to send DHCP requests on all operational interfaces. This behavior ensures that the switch can obtain an IP address for management and further configuration from any available DHCP server.
Option D: The DHCP server can provide additional configuration parameters, including the required Junos version. This allows for automated provisioning and ensures that the switch is running the correct software version.
Conclusion:
Option B: Correct---The switch will use any operational interface to request an IP address via DHCP.
Option D: Correct---The DHCP server can specify Junos version requirements, enabling automated software management.
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?
Zero Touch Provisioning (ZTP):
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.
Conclusion:
Option D: Correct---Junos ZTP supports Shell, Python, and SLAX, making it the correct choice among the provided options.
Exhibit.
You are deploying a VXLAN overlay with EVPN as the control plane in an ERB architecture.
Referring to the exhibit, which three statements are correct about where the VXLAN gateways will be placed? (Choose three.)
Understanding ERB Architecture:
ERB (Edge Routed Bridging) architecture is a network design where the routing occurs at the edge (leaf devices) rather than in the spine devices. In a VXLAN overlay network with EVPN as the control plane, leaf devices typically act as both Layer 2 (L2) and Layer 3 (L3) VXLAN gateways.
Placement of VXLAN Gateways:
Option B: All leaf devices will have L2 VXLAN gateways to handle the bridging of VLAN traffic into VXLAN tunnels.
Option C: All leaf devices will also have L3 VXLAN gateways to route traffic between different VXLAN segments (VNIs) and external networks.
Option E: Spine devices in an ERB architecture generally do not function as VXLAN gateways. They primarily focus on forwarding traffic between leaf nodes and do not handle VXLAN encapsulation/decapsulation.
Conclusion:
Option B: Correct---All leaf devices will have L2 VXLAN gateways.
Option C: Correct---All leaf devices will have L3 VXLAN gateways.
Option E: Correct---Spine devices will not act as VXLAN gateways
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