JN0-750 Actual Questions Answers PDF 100% Cover Real Exam Questions
JN0-750 Exam questions and answers
NEW QUESTION # 19
What information does Port Health in Wired Assurance display?
- A. Application usage
- B. Cable test results
- C. Firewall rule matches
- D. VLAN routing paths
Answer: B
Explanation:
Port Health includes cable diagnostics, power delivery stats, and traffic error monitoring. It does not handle firewall rules, VLAN paths, or app-layer data.
NEW QUESTION # 20
When deploying automation strategies with Juniper Mist, which tools are commonly used?
(Choose threE.
- A. Webhooks
- B. Python scripts
- C. REST APIs
- D. SSH
- E. SNMP
Answer: A,B,C
NEW QUESTION # 21
What is the function of Wireless Assurance onboarding SLE?
- A. To monitor RF interference
- B. To report PoE consumption
- C. To assess client authentication time
- D. To measure software update time
Answer: C
Explanation:
The onboarding SLE tracks how quickly and successfully clients connect to the network, including DNS, DHCP, and authentication stages. It ensures a smooth initial experience for users.
NEW QUESTION # 22
What role does Marvis play in Wired Assurance workflows?
- A. Acts as a switch controller
- B. Pushes firmware to switches
- C. Uses AI to assist troubleshooting
- D. Orchestrates campus routing
Answer: C
Explanation:
Marvis provides AI-driven troubleshooting for Wired Assurance by interpreting telemetry and logs.
It suggests root causes and recommends actions but does not act as a switch controller.
NEW QUESTION # 23
How would a network administrator use API calls to automate the application of device profiles across a new Juniper Mist network setup?
- A. Programming C# applications to interact with the network hardware
- B. Using direct database manipulation with SQL to update device settings
- C. By employing REST API calls in a Python script to push configurations
- D. Creating manual entries via a web interface for each device
Answer: C
NEW QUESTION # 24
Which Juniper solution supports AI-based SD-WAN routing and integrates with Marvis?
- A. Sky ATP
- B. Contrail Service Orchestration
- C. Apstra vMX
- D. WAN Edge + Mist Cloud
Answer: D
Explanation:
Juniper's WAN Edge appliances work with Mist Cloud and Marvis to support AI-driven SD-WAN with intelligent path decisions, WAN visibility, and security integration.
NEW QUESTION # 25
What does the term "port bounce" refer to in Wired Assurance troubleshooting?
- A. Port is shut and enabled automatically
- B. Port loops traffic
- C. Port receives DDoS
- D. Port is overloaded
Answer: A
Explanation:
A "port bounce" is the process of administratively disabling and re-enabling a port to recover from issues like stuck sessions or failed negotiation. It's a common troubleshooting method.
NEW QUESTION # 26
What problem does Apstra's rollback mechanism help solve?
- A. Link-level jitter
- B. Policy violation due to misconfigurations
- C. DNS poisoning
- D. High CPU usage on switches
Answer: B
Explanation:
Apstra supports rollback to a previously known good state if a configuration causes an intent violation. This helps quickly restore network compliance and availability.
NEW QUESTION # 27
During routine monitoring, a network administrator notices an unusual spike in traffic that could potentially degrade network performance. What Day 2 operational tools should they use to analyze and mitigate this issue?
- A. Public relations tools to manage external communications.
- B. Performance monitoring tools and predictive analytics.
- C. Additional server hardware to handle increased loads.
- D. Advanced security firewalls and intrusion prevention systems.
Answer: B
NEW QUESTION # 28
What is a primary function of Juniper Mist Access Assurance?
- A. Provides WAN optimization
- B. Manages switch PoE profiles
- C. Automates BGP peer configuration
- D. Controls user access with 802.1X policies
Answer: D
Explanation:
Access Assurance provides identity-based access control using policies such as 802.1X, MAC authentication, and guest access. It does not handle WAN optimization or BGP configuration.
NEW QUESTION # 29
A company is deploying Juniper Mist solutions across multiple branch offices. The key requirement is to maintain consistent network policies and to manage all network operations from a central location.
Which combination of solutions is most appropriate?
- A. WAN Edge with Marvis VNA
- B. Wireless and Wired Assurance
- C. Routing Assurance and SD-WAN
- D. Access Assurance and Marvis VNA
Answer: B
NEW QUESTION # 30
Which Mist component enables user-level visibility across wired and wireless connections?
- A. Wired Assurance
- B. Marvis VNA
- C. Mist Edge
- D. Client Health SLE
Answer: D
Explanation:
The Client Health Service Level Expectation (SLE) provides unified visibility for wired and wireless experiences. It measures onboarding time, throughput, and other KPIs to help ensure consistent client connectivity.
NEW QUESTION # 31
Which protocol is primarily used by Juniper SD-WAN for control plane operations?
- A. BGP-LS
- B. Secure Vector Routing (SVR)
- C. OSPF
- D. TCP over TLS
Answer: B
Explanation:
Juniper's SD-WAN solution uses Secure Vector Routing (SVR) for control and data plane communications. It securely distributes routes and policies across WAN Edge devices.
NEW QUESTION # 32
Which Mist tool would help visualize switch-level anomalies across time?
- A. Port Inspector
- B. Marvis Dashboard
- C. Device Inventory
- D. Anomaly Timeline
Answer: D
Explanation:
The Anomaly Timeline provides a historical view of abnormalities on switches, helping administrators track trends and identify recurring issues. Port Inspector offers real-time snapshots instead.
NEW QUESTION # 33
What is the purpose of assigning switch profiles in Wired Assurance?
- A. To enforce IPS policies
- B. To apply standardized port configs
- C. To manage routing tables
- D. To extend VLANs across buildings
Answer: B
Explanation:
Switch profiles are used to apply consistent port configurations across similar switch models or roles. They ensure uniform behavior, which simplifies operations and provisioning.
NEW QUESTION # 34
What is the function of the Apstra Intent Graph?
- A. Converts VRF to VLAN
- B. Logs all firewall rule updates
- C. Represents the desired state of the data center fabric
- D. Maps wireless client onboarding
Answer: C
Explanation:
The Intent Graph is a visual representation of how the data center is intended to operate, including connectivity, protocols, and services. It helps track compliance to the intended network behavior.
NEW QUESTION # 35
Which tool can be used to simulate the effect of a proposed change in Apstra?
- A. Cloud Telemetry Sandbox
- B. Change Control Simulation Engine
- C. Marvis CLI
- D. Mist Insights
Answer: B
Explanation:
Apstra includes a Change Control Simulation Engine that allows administrators to preview the impact of network changes. This helps prevent configuration errors before deployment.
NEW QUESTION # 36
Which two user roles can be assigned in Mist Access Assurance? (Choose two.)
- A. BGP neighbor
- B. Guest
- C. Contractor
- D. Static route
Answer: B,C
Explanation:
Access Assurance allows defining user roles like guest or contractor, each with specific access permissions. Routing-related roles like BGP neighbor are not user-level assignments.
NEW QUESTION # 37
Which data does Wireless Assurance collect for anomaly detection?
- A. RF signal metrics
- B. DHCP and DNS stats
- C. Switch port errors
- D. Client application data
Answer: A
Explanation:
Wireless Assurance collects real-time RF metrics, including signal strength, noise, SNR, and interference, to detect wireless anomalies. It does not focus on switch-level data or client app behavior.
NEW QUESTION # 38
What is the primary function of Apstra within Juniper's data center architecture?
- A. Controls SD-WAN tunnels
- B. Provides AI-driven data center intent-based networking
- C. Manages PoE budgets across campuses
- D. Enforces endpoint firewalls
Answer: B
Explanation:
Apstra is Juniper's intent-based networking platform for data centers. It abstracts the desired state (intent) and ensures the infrastructure behaves accordingly, with continuous validation and closed-loop automation.
NEW QUESTION # 39
Which key benefit does Access Assurance provide for regulatory compliance?
- A. IPsec VPN auto-negotiation
- B. Manual logging of all devices
- C. Integration with firewall clustering
- D. Auditable access control and identity enforcement
Answer: D
Explanation:
Access Assurance logs identity-based access activity and policy enforcement, making it easier to meet compliance standards like HIPAA, PCI-DSS, and SOX.
NEW QUESTION # 40
Which two services are part of Juniper's Routing Assurance offering? (Choose two.)
- A. Route simulation
- B. Peer state monitoring
- C. Wi-Fi onboarding
- D. Switch stacking
Answer: A,B
Explanation:
Routing Assurance includes features like route simulation for intent verification and peer state monitoring for dynamic protocols. Wi-Fi and stacking are not its primary domains.
NEW QUESTION # 41
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