JN0-211 Practice Questions Free – 50 Exam-Style Questions to Sharpen Your Skills
Are you preparing for the JN0-211 certification exam? Kickstart your success with our JN0-211 Practice Questions Free – a carefully selected set of 50 real exam-style questions to help you test your knowledge and identify areas for improvement.
Practicing with JN0-211 practice questions free gives you a powerful edge by allowing you to:
- Understand the exam structure and question formats
- Discover your strong and weak areas
- Build the confidence you need for test day success
Below, you will find 50 free JN0-211 practice questions designed to match the real exam in both difficulty and topic coverage. They’re ideal for self-assessment or final review. You can click on each Question to explore the details.
What are three orchestrators that integrate with Contrail? (Choose three.)
A. Kubernetes
B. Ubuntu
C. vSphere
D. VirtualBox.
E. OpenStack
Which CSO component enables ISPs to set up and manage the virtual network and customers?
A. Administration Portal
B. Customer Portal
C. Designer Tools
D. Service and Infrastructure Monitor
You are asked to reduce traffic on an MPLS VPN by automatically moving the traffic to an Internet circuit as long as it satisfies the SLA requirements. In this scenario, what would you use to accomplish this task?
A. Contrail Cloud
B. Contrail SD-WAN
C. AppFormix
D. NorthStar
What are two technologies that a vMX's control plane uses to communicate with the forwarding plane on the same server? (Choose two.)
A. OVSDB
B. SR-IOV
C. 802.1Q
D. Virtio
According to Juniper Networks, what is the recommended external routing protocol for the underlay network?
A. OSPF
B. BGP
C. EGP
D. IS-IS
You are deploying a vMX device in your network. Which two virtualized components are required in this scenario? (Choose two.)
A. virtual chassis fabric
B. virtual chassis port
C. virtual forwarding plane
D. virtual control plane
What are two objectives of SDN? (Choose two.)
A. physical separation of the control plane from the data plane
B. centralization of the forwarding plane
C. centralization of the services plane
D. centralization of the control plane
Which two statements describe cloud CPE? (Choose two.)
A. Cloud CPE eliminates the need for investing in expensive hardware.
B. Cloud CPE allows multivendor, open support of software-based functions.
C. Cloud CPE requires heavy investment in vendor-specific hardware.
D. Cloud CPE encourages administrators to use all-in-one appliances.
Which statement is true regarding an OpenFlow controller-based software defined network?
A. The SDN controller pushes configuration files to each device in the network using RESTful APIs.
B. The forwarding plane of each device in the network is programmed by the controller.
C. The control plane of each device in the network is instantiated by the controller.
D. The forwarding plane of each device in the network is managed by the device.
You want to automate the management of virtualized applications using Contrail Networking. Which type of SDN is used in this scenario?
A. OpenFlow SDN
B. API SDN
C. Overlay SDN
D. Ansible Automation
Which Juniper product provides insight into the underlay and overlay network at the same time?
A. Juniper Extension Toolkit
B. Security Director
C. AppFormix
D. Edge Services Director
You are using the NorthStar Controller to manage your WAN. You are required to remove a node from the network for maintenance purposes. You want to compute and provision alternate forwarding paths so that traffic is re-routed around the node being taken offline for maintenance. Which NorthStar Controller feature would be used in this scenario?
A. node diversity
B. shared risk link groups
C. path diversity
D. maintenance mode
Which Junos Space application integrates with both VMware vSphere and VMware NSX solutions to automate the movement of VLANs between physical and virtual servers?
A. Policy Enforcer
B. Edge Services Director
C. Connectivity Services Director
D. Network Director
You need to control and steer application traffic while maintaining an end-to-end view of the WAN and LAN. Which Juniper cloud product will satisfy the requirements in this scenario?
A. Contrail Cloud
B. Contrail Service Orchestration
C. Sky Enterprise
D. Sky ATP
Click the Exhibit button. Which type of SDN is shown in the exhibit?
A. API-based SDN
B. OpenFlow-based SDN
C. SDN as an underlay
D. SDN as an overlay
Which product is used to perform capacity planning on MPLS WANs?
A. Contrail Cloud
B. Cloud Service Orchestrator
C. NorthStar Planner
D. VMware NSX
You are the administrator of an MPLS WAN. Intermittent WAN hardware failures are causing customer traffic to route over newly computed forwarding paths that do not satisfy service level agreements. Which Juniper Networks solution would be used to analyze this problem?
A. Contrail
B. NorthStar Planner
C. AppFormix
D. Network Director
What are two characteristics of Juniper's Connected Security Solution? (Choose two.)
A. centralized management
B. enforcement everywhere on the network
C. manual secure policy control
D. dynamic VPN connections
You are required to set up zero-day malware detection for your private cloud without sending files off site for analysis. What will accomplish this task?
A. JATP
B. Sky ATP
C. UTM
D. IDP
Which protocol is used to communicate LSP and status information between the NorthStar Controller and label edge routers?
A. ICCP
B. BGP
C. PCEP
D. OSPF
AppFormix alarm notifications are sent to an HTTP server using which format?
A. XML
B. plain text
C. JSON
D. CSV
Which two statements are true regarding private cloud services? (Choose two.)
A. A private cloud cannot connect to a public cloud.
B. A private cloud has dedicated resources for individual customers.
C. A private cloud must apply encryption to all stored data.
D. A private cloud can be deployed in a service provider network.
Which statement is correct about an overlay network?
A. An overlay network requires the CLOS architecture.
B. An overlay network must have switches interconnected in a spine-leaf implementation.
C. An overlay network requires an OSPF area.
D. An overlay network uses tunneling technologies.
Which statement is correct about SDN?
A. The SDN controller has a centralized view of the network.
B. The SDN controller must provide a manual method for configuration.
C. SDN simplifies the network by combining the control and forwarding planes into a single controller.
D. The configuration and management of an SDN solution should be distributed to the edge of the network.
Which statement defines a public cloud?
A. The cloud infrastructure is provisioned for open use by the general public.
B. The cloud infrastructure is provisioned for exclusive use by a single organization comprising multiple consumers.
C. The cloud infrastructure is provisioned for exclusive use by a specific community of consumers from organizations that have shared concerns.
D. The cloud infrastructure is a composition of two or more distinct cloud infrastructures.
Which protocol is used by the NorthStar Controller to discover existing tunnels in a service provider or large enterprise WAN?
A. REST
B. PCEP
C. NETCONF
D. SNMP
Which two pricing models are available from AWS Marketplace for vSRX consumption? (Choose two.)
A. based on the number of policies
B. pay as you go
C. annual subscription
D. bring your own license
What are two protocols used by the NorthStar Controller to discover the network topology? (Choose two.)
A. OSPF-TE
B. NETCONF
C. SNMP
D. BGP-LS
Which statement is true about the vSRX Series and VMware NSX integration?
A. The NSX Distributed Firewall provides a container-based layer of protection.
B. VMware NSX provides advanced Layer 4 through Layer 7 security services.
C. You can add the vSRX virtual firewall as a security element in the VMware NSX environment.
D. The NSX Distributed Firewall uses application identification.
Which two statements are correct about the NFV framework? (Choose two.)
A. The NFV framework is defined by ANSI.
B. A spine and leaf implementation is an example of the NFV framework.
C. The NFV framework enables horizontally scalable deployments of services.
D. The NFV framework is defined by ETSI.
You need to find a product that will allow for the deployment of security devices to a new tenant edge network in less than one second. Which product accomplishes this task?
A. MX
B. cSRX
C. vSRX
D. NFX
Which two components are part of the AppFormix architecture? (Choose two.)
A. policy controller
B. compute node
C. SDN controller
D. data platform
Which two Juniper devices are used as a CSO CPE device? (Choose two.)
A. QFX
B. NFX
C. SRX
D. MX
Which Juniper product is used to remotely provision the NFX250 platform for Network Functions Virtualization?
A. Junos Space Security Director
B. Virtual Route Reflector
C. Contrail Services Orchestration
D. Contrail Security
Which CSO component enables the monitoring of the CSO system to provide real-time data about the Cloud CPE solution?
A. Administration Portal
B. AppFormix
C. Designer Tools
D. Customer Portal
E. Service and Infrastructure Monitor
AppFormix has been deployed in your data center using the Juniper Telemetry Interface (JTI) native sensors. However, the underlay devices have not yet been set up to work with the JTI native sensors. Which action is required for the JTI native sensors to work properly?
A. Install the AppFormix network agent on the underlay devices.
B. Enable SSH on the underlay devices.
C. Enable GPB messaging on the underlay devices.
D. Enable NETCONF over SSH on the underlay devices.
Which two data models are supported for the Junos Telemetry Interface (JTI)? (Choose two.)
A. Native Sensors
B. Azure Application Insights
C. Amazon Kinesis
D. OpenConfig
Which two statements are true about an SDN controller? (Choose two.)
A. An SDN controller centralizes control and configuration of a network.
B. An SDN controller stores and manages software images.
C. An SDN controller regulates traffic transmission rates in a network.
D. An SDN controller automates repetitive tasks in a network.
You are responsible for optimizing a global MPLS WAN. You must determine the optimal MPLS forwarding paths and automate the provisioning of the forwarding paths into the network. Which Juniper Networks SDN solution will satisfy the requirements?
A. Contrail
B. Network Director
C. NorthStar Controller
D. Policy Enforcer
Which mechanism allows tenants to interconnect across an overlay network?
A. tunnels
B. subnets
C. EBGP connections
D. P2P OSPF adjacencies
Which two protocols provide loop prevention in an underlay network? (Choose two.)
A. OSPF
B. VPLS
C. EVPN
D. MSTP
A customer wants to deploy a website that can scale as needed. Which type of service should the customer purchase in this scenario?
A. DBaaS
B. BGPaaS
C. SaaS
D. FWaaS
Which interface is used by applications, orchestration systems, and other types of business systems to communicate with an SDN controller?
A. east-west interface
B. northbound interface
C. southbound interface
D. controller interface
In which two scenarios is Contrail used? (Choose two.)
A. private cloud networking
B. network hardware lifecycle management
C. Network Functions Virtualization
D. policy-based routing
What are two examples of SaaS? (Choose two.)
A. Amazon Web Services
B. Google Apps
C. IBM Cloud
D. SalesForce
What is an advantage of the Junos Telemetry Interface (JTI) over SNMP?
A. JTI always transfers data over HTTP.
B. JTI never transfers data over UDP.
C. JTI can push data more frequently.
D. JTI can pull data more frequently.
Which two statements are correct when using the native sensors model for the Juniper Telemetry Interface with AppFormix? (Choose two.)
A. No additional software must be installed on the Junos device.
B. Telemetry data is exported from the control plane.
C. Additional software must be installed on the Junos device.
D. Telemetry data is exported from the data plane.
What are two reasons to use a vMX over a physical MX Series device in your deployment? (Choose two.)
A. A vMX has a lower barrier of entry.
B. A vMX accelerates adding new services.
C. A vMX increases analytic capabilities.
D. A vMX provides more routing features.
Which two benefits does the Junos Telemetry Interface (JTI) provide in an AppFormix architecture? (Choose two.)
A. JTI uses a push model to deliver data asynchronously.
B. JTI uses an SNMP pull model to eliminate additional processing.
C. JTI enables you to deploy security policies to vSRX devices.
D. JTI enables you to collect and export data from resources such as firewall filters.
Your company has three connections consisting of MPLS, Internet, and wireless connections, respectively. You must separate traffic according to the type of application sending that traffic across the three links. Which product will facilitate this requirement?
A. Contrail SD-LAN
B. Contrail SD-WAN
C. Contrail networking
D. Contrail Cloud
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