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Juniper JN0-480 certification exam is ideal for professionals who have experience in data center technologies and want to validate their skills and knowledge. It is also suitable for IT professionals who want to start a career in data center technologies. Data Center, Specialist (JNCIS-DC) certification exam is designed to test the understanding of the latest data center technologies and best practices. JN0-480 Exam can help professionals to enhance their knowledge and skills in data center technologies and become more competitive in the IT job market.

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Juniper JN0-480 exam is designed for IT professionals who specialize in data center networking. Successful completion of JN0-480 exam leads to the Juniper Networks Certified Specialist Data Center (JNCIS-DC) certification. Data Center, Specialist (JNCIS-DC) certification validates the candidate's knowledge and skills in data center technologies, protocols, and architectures. The JN0-480 Exam covers a broad range of topics, including data center design and implementation, virtualization, security, and troubleshooting.

Juniper Data Center, Specialist (JNCIS-DC) Sample Questions (Q54-Q59):

NEW QUESTION # 54
What is the purpose of a Juniper Apstra rack?

A. It stores device port data rates and vendor information.
B. It stores IP address and ASN pool information.
C. It stores information on how pods connect to super spines.
D. It stores information on how leaf nodes connect to generic devices

Answer: D

Explanation:
A Juniper Apstra rack is a physical entity that contains one or more network devices, such as leaf nodes, access switches, or generic systems. A rack is used to organize and manage the network devices in the Apstra software application. A rack has the following characteristics:
* It stores information on how leaf nodes connect to generic devices. This is because a rack can include generic systems, which are devices that are not managed by Juniper Apstra, but are connected to the network. A generic system can be a server, a firewall, a load balancer, or any other device that has a networkinterface. A rack stores the information on how the leaf nodes, which are the devices that provide access to the end hosts, connect to the generic devices, such as the port number, the link speed, the LAG mode, and the roles1.
* It has a rack type, which defines the type and number of leaf devices, access switches, and/or generic systems that are used in the rack. A rack type is a resource that is created in the data center design phase, and it does not specify the vendor or the model of the devices. A rack type can be predefined or custom-made, and it can be used to create multiple racks with the same structure and configuration2.
* It has a rack build, which assigns the specific vendor and model of the devices to the rack. A rack build is created in the staged phase, and it uses the rack type as a template. A rack build can also assign the resources, such as the IP addresses, the ASNs, and the VNIs, to the devices in the rack3.
* It has a rack deployment, which applies the network configuration and services to the devices in the rack. A rack deployment is performed in the active phase, and it uses the rack build as a reference. A rack deployment can also monitor the network performance and compliance of the devices in the rack4.
The following three statements are incorrect in this scenario:
* It stores information on how pods connect to super spines. This is not true, because a rack does not store any information on the pod or the super spine level of the network. A pod is a cluster of leaf and spine devices that form a 3-stage Clos topology, and a super spine is a device that connects multiple pods in a
5-stage Clos topology. A rack only stores information on the leaf and the access level of the network1.
* It stores IP address and ASN pool information. This is not true, because a rack does not store any information on the IP address and ASN pools. IP address and ASN pools are resources that are created in the data center design phase, and they contain a range of IP addresses and ASNs that can be assigned to the devices and the virtual networks. A rack only uses the IP address and ASN pools to assign the resources to the devices in the rack build2.
* It stores device port data rates and vendor information. This is not true, because a rack does not store any information on the device port data rates and vendor information. The device port data rates and vendor information are specified in the rack build, which assigns the specific vendor and model of the devices to the rack. A rack only uses the rack build to apply the network configuration and services to the devices in the rack deployment3.
References:
* Racks (Staged)
* Rack Types (Datacenter Design)
* Rack Builds (Staged)
* Racks (Active)

NEW QUESTION # 55
In the case of IP Clos data center five-stage fabric design, what are two rotes of the super spines? (Choose two.)

A. Super spines are always connected to an external data center gateway.
B. Super spines are used to connect leaf nodes within a data center pod.
C. Super spines connect to all spine devices within the five-stage architecture.
D. Super spines are used to interconnect two different data center pods.

Answer: C,D

Explanation:
In the case of IP Clos data center five-stage fabric design, the super spines are the devices that provide the highest level of aggregation in the network. They have two main roles:
* Super spines are used to interconnect two different data center pods. A pod is a cluster of leaf and spine devices that form a 3-stage Clos topology. A 5-stage Clos topology consists of multiple pods that are connected by the super spines. This allows for scaling the network to support more devices and bandwidth.
* Super spines connect to all spine devices within the five-stage architecture. The spine devices are the devices that provide the second level of aggregation in the network. They connect to the leaf devices, which are the devices that provide access to the end hosts. The super spines connect to all the spine devices in the network, regardless of which pod they belong to. This provides any-to-any connectivity between the pods and enables optimal routing and load balancing.
The following two statements are incorrect in this scenario:
* Super spines are used to connect leaf nodes within a data center pod. This is not true, because the leaf nodes are connected to the spine nodes within the samepod. The super spines do not connect to the leaf nodes directly, but only through the spine nodes.
* Super spines are always connected to an external data center gateway. This is not true, because the super spines are not necessarily involved in the external connectivity of the data center. The external data center gateway is a device that provides the connection to the outside network, such as the Internet or another data center. The external data center gateway can be connected to the super spines, the spine nodes, or the leaf nodes, depending on the design and the requirements of the network.
References:
* 5-stage Clos Architecture - Apstra 3.3.0 documentation
* 5-Stage Clos Architecture | Juniper Networks
* Extreme Fabric Automation Administration Guide

NEW QUESTION # 56
Which two statements are correct regarding a pristine configuration in Juniper Apstra? (Choose two.)

A. It is the device's previously active configuration.
B. It is the device's currently active configuration.
C. It Is the configuration file on a device before acknowledgment in Apstra.
D. It is the configuration file placed on the device when decommissioning the device.

Answer: C,D

Explanation:
A pristine configuration in Juniper Apstra is the configuration file that is used to onboard a device into the Apstra software application. A pristine configuration contains the minimum settings that are required for the device to communicate with the Apstra server, such as the hostname, management IP address, username, password, and SSH key1. A pristine configuration has the following characteristics:
* It is the configuration file placed on the device when decommissioning the device. This is because when a device is decommissioned from the Apstra software application, it is reverted back to its pristine configuration, which removes all the network configuration and services that were applied by the Apstra software application. This allows the device to be reused or repurposed for another network2.
* It is the configuration file on a device before acknowledgment in Apstra. This is because when a device is onboarded into the Apstra software application, it is initially in the discovery state, which means that
* the device is discovered by the Apstra server, but not yet acknowledged by the user. In the discovery state, thedevice has the pristine configuration, which can be viewed and edited by the user. Once the user acknowledges the device, the device moves to the deployed state, which means that the device is ready to receive the network configuration and services from the Apstra software application3.
The following two statements are incorrect in this scenario:
* It is the device's currently active configuration. This is not true, because the pristine configuration is not the device's currently active configuration, unless the device is in the discovery state or the decommissioned state. In the deployed state, the device's currently active configuration is the network configuration and services that are applied by the Apstra software application, which are based on the blueprint and the intent3.
* It is the device's previously active configuration. This is not true, because the pristine configuration is not the device's previously active configuration, unless the device is in the decommissioned state. In the discovery state, the pristine configuration is the device's initial configuration, which may or may not be the same as the device's previous configuration before being onboarded into the Apstra software application. In the deployed state, the device's previously active configuration is the network configuration and services that were applied by the Apstra software application before the last commit3.
References:
* Pristine Config
* Decommission Device
* Device States

NEW QUESTION # 57
You want to apply a configlet to a specific device using Juniper Apstra. Which two parameters would be used to accomplish this task? (Choose two.)

A. port group
B. hostname
C. tags
D. form factor

Answer: B,C

Explanation:
To apply a configlet to a specific device using Juniper Apstra, you need to specify the device's hostname and tags. The hostname is the unique identifier of the device in the Apstra system, and the tags are the labels that you can assign to the device to group it with other devices that share the same characteristics. You can use the hostname and tags to filter the devices that you want to apply the configlet to in the blueprint catalog12.
References:
* Configlets Overview
* Terraform Registry

NEW QUESTION # 58
Which statement is correct about the Juniper Apstra Rendered configuration?

A. It is built at commit time and stored in a MySQL database.
B. It is rendered from the graph database and stored locally.
C. It is dynamically tendered at commit time.
D. It is stored in a NoSQL database and incrementally updated.

Answer: C

Explanation:
The Juniper Apstra Rendered configuration is the configuration that is generated from the staged blueprint and applied to the devices in the network. The Rendered configuration is dynamically rendered at commit time, which means that it is created on the fly based on the latest changes and validations in the blueprint. The Rendered configuration is not stored in any database, but it can be viewed in the Apstra UI or downloaded as a file. The Rendered configuration reflects the desired state of the network as defined by the intent of the blueprint. The other options are incorrect because:
* A. It is built at commit time and stored in a MySQL database is wrong because the Rendered configuration is not stored in any database, let alone a MySQLdatabase. Apstra uses a graph database to store the network topology and configuration data, not a relational database like MySQL.
* B. It is stored in a NoSQL database and incrementally updated is wrong because the Rendered configuration is not stored in any database, let alone a NoSQL database. Apstra uses a graph database to store the network topology and configuration data, not a non-relational database like NoSQL. The Rendered configuration is not incrementally updated, but dynamically rendered at commit time.
* D. It is rendered from the graph database and stored locally is wrong because the Rendered configuration is not rendered from the graph database, but from the staged blueprint. The graph database stores the network topology and configuration data, but the Rendered configuration is generated from the blueprint, which is a logical representation of the network design and intent. The Rendered configuration is not stored locally, but it can be downloaded as a file if needed. References:
* Config Rendering in Juniper Apstra
* AOS Device Configuration Lifecycle
* Configlets (Datacenter Design)

NEW QUESTION # 59
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