Free Juniper (JN0-750) Certification Sample Questions with Online Practice Test
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NEW QUESTION # 41
Which Mist tool would help visualize switch-level anomalies across time?
- A. Device Inventory
- B. Anomaly Timeline
- C. Port Inspector
- D. Marvis Dashboard
Answer: B
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 # 42
Which data type is used to define policy in Access Assurance?
- A. ASN
- B. VLAN priority bits
- C. TCP port numbers
- D. User identity and role
Answer: D
Explanation:
Policies in Access Assurance are defined based on user identity and role, allowing dynamic segmentation.
This enables context-aware network access enforcement for users or devices.
NEW QUESTION # 43
How would a network administrator use API calls to automate the application of device profiles across a new Juniper Mist network setup?
- A. Using direct database manipulation with SQL to update device settings
- B. Programming C# applications to interact with the network hardware
- 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 # 44
Which protocol is primarily used by Juniper SD-WAN for control plane operations?
- A. OSPF
- B. Secure Vector Routing (SVR)
- C. BGP-LS
- 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 # 45
Which key benefit does Access Assurance provide for regulatory compliance?
- A. Integration with firewall clustering
- B. Manual logging of all devices
- C. Auditable access control and identity enforcement
- D. IPsec VPN auto-negotiation
Answer: C
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 # 46
Which metric is used by the Wireless Assurance throughput SLE?
- A. TCP throughput test results
- B. Port error count
- C. Ping latency
- D. Wi-Fi channel width
Answer: A
Explanation:
Wireless Assurance uses TCP throughput tests to measure the actual user experience on Wi-Fi.
It gives a realistic performance view, unlike latency or channel width alone.
NEW QUESTION # 47
Which Mist solution provides port-level insights for connected wired clients?
- A. Access Assurance
- B. Secure Edge
- C. Wired Assurance
- D. Port Authentication Manager
Answer: C
Explanation:
Wired Assurance delivers real-time port-level analytics for wired clients, allowing visibility into traffic, errors, and power usage. It is not involved in access control or security.
NEW QUESTION # 48
In Juniper Mist solutions, what role does RADIUS play?
- A. Routing protocol configuration
- B. Data encryption and security
- C. Traffic load balancing
- D. Wireless client authentication
Answer: D
NEW QUESTION # 49
What is the role of Marvis in SD-WAN monitoring?
- A. Performs AI-driven troubleshooting for WAN links
- B. Applies dynamic IPsec configuration
- C. Hosts web-based configuration UI
- D. Encrypts MPLS circuits
Answer: A
Explanation:
Marvis uses telemetry and AI models to monitor and troubleshoot SD-WAN performance, helping identify link issues, congestion, or path flaps. It is not used for encryption or hosting UI.
NEW QUESTION # 50
Which topology model does Apstra typically deploy in a data center?
- A. EVPN-VXLAN Clos fabric
- B. Full Mesh Layer 3 VPN
- C. Hub-and-Spoke
- D. Ring topology
Answer: A
Explanation:
Apstra supports EVPN-VXLAN in a Clos (leaf-spine) fabric as a common data center architecture.
It enables scalability, segmentation, and consistent policy enforcement across the fabric.
NEW QUESTION # 51
What does the term "port bounce" refer to in Wired Assurance troubleshooting?
- A. Port is overloaded
- B. Port receives DDoS
- C. Port loops traffic
- D. Port is shut and enabled automatically
Answer: D
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 # 52
What type of assurance does Marvis VNA offer in the data center environment?
- A. Physical cabling fault detection
- B. Behavioral anomaly detection and recommendation
- C. VLAN loop prevention
- D. App-layer DPI
Answer: B
Explanation:
Marvis VNA in the data center uses AI to detect behavioral anomalies (e.g., sudden topology changes) and recommends corrective actions. It does not inspect app payloads or cabling directly.
NEW QUESTION # 53
What does Apstra use to continuously validate the network state against the intended design?
- A. Telemetry + intent graph comparison
- B. Real-time CLI commands
- C. SNMP walk
- D. NetFlow data export
Answer: A
Explanation:
Apstra combines real-time telemetry with an intent-based graph that models the desired network state. This allows it to detect and alert on deviations from the intended architecture.
NEW QUESTION # 54
How can a network engineer automate the process of adjusting QoS settings based on traffic patterns using Juniper Mist APIs?
- A. Use manual CLI commands periodically to update QoS settings.
- B. Develop a static website to display traffic patterns.
- C. Write a Python script that adjusts QoS settings in real-time based on traffic analytics data.
- D. Employ a machine learning model in MATLAB to predict traffic.
Answer: C
NEW QUESTION # 55
What is the purpose of assigning switch profiles in Wired Assurance?
- A. To apply standardized port configs
- B. To manage routing tables
- C. To extend VLANs across buildings
- D. To enforce IPS policies
Answer: A
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 # 56
What is the function of the Apstra Intent Graph?
- A. Represents the desired state of the data center fabric
- B. Maps wireless client onboarding
- C. Logs all firewall rule updates
- D. Converts VRF to VLAN
Answer: A
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 # 57
Which Juniper solution supports AI-based SD-WAN routing and integrates with Marvis?
- A. Sky ATP
- B. Apstra vMX
- C. Contrail Service Orchestration
- 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 # 58
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