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質問 # 41
What role does Marvis play in Wired Assurance workflows?
- A. Uses AI to assist troubleshooting
- B. Orchestrates campus routing
- C. Pushes firmware to switches
- D. Acts as a switch controller
正解：A
解説：
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.
質問 # 42
Which protocol is primarily used by Juniper SD-WAN for control plane operations?
- A. Secure Vector Routing (SVR)
- B. OSPF
- C. BGP-LS
- D. TCP over TLS
正解：A
解説：
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.
質問 # 43
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
正解：C
解説：
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.
質問 # 44
Which dashboard allows viewing site-wide wireless health KPIs in Mist?
- A. SLE Overview
- B. Site Performance
- C. Topology
- D. Site Map
正解：A
解説：
The SLE Overview dashboard aggregates key metrics across the wireless infrastructure, such as onboarding time, throughput, and signal quality. It helps visualize client experience at a site level.
質問 # 45
What is a key outcome of using Wireless Assurance's AI-driven insights?
- A. Faster cable replacement planning
- B. Improvement in routing table distribution
- C. Reduction in manual ticket resolution
- D. Creation of physical network topologies
正解：C
解説：
Wireless Assurance uses AI to detect and suggest solutions for Wi-Fi issues, reducing the manual workload on IT teams and accelerating issue resolution through automation.
質問 # 46
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. Routing Assurance and SD-WAN
- B. Access Assurance and Marvis VNA
- C. Wireless and Wired Assurance
- D. WAN Edge with Marvis VNA
正解：C
質問 # 47
What type of assurance does Marvis VNA offer in the data center environment?
- A. Physical cabling fault detection
- B. VLAN loop prevention
- C. Behavioral anomaly detection and recommendation
- D. App-layer DPI
正解：C
解説：
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.
質問 # 48
What is a primary function of Juniper Mist Access Assurance?
- A. Automates BGP peer configuration
- B. Provides WAN optimization
- C. Controls user access with 802.1X policies
- D. Manages switch PoE profiles
正解：C
解説：
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.
質問 # 49
Which Mist component enables user-level visibility across wired and wireless connections?
- A. Marvis VNA
- B. Wired Assurance
- C. Mist Edge
- D. Client Health SLE
正解：D
解説：
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.
質問 # 50
Which two routing protocols are monitored under Routing Assurance? (Choose two.)
- A. RIPv1
- B. SMTP
- C. BGP
- D. OSPF
正解：C、D
解説：
Routing Assurance monitors dynamic routing protocols like OSPF and BGP for health, topology changes, and SLA violations. SMTP is a mail protocol and RIPv1 is outdated.
質問 # 51
Which data type is used to define policy in Access Assurance?
- A. ASN
- B. User identity and role
- C. VLAN priority bits
- D. TCP port numbers
正解：B
解説：
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.
質問 # 52
What does the term "port bounce" refer to in Wired Assurance troubleshooting?
- A. Port is overloaded
- B. Port loops traffic
- C. Port is shut and enabled automatically
- D. Port receives DDoS
正解：C
解説：
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.
質問 # 53
Which Mist solution provides port-level insights for connected wired clients?
- A. Secure Edge
- B. Port Authentication Manager
- C. Access Assurance
- D. Wired Assurance
正解：D
解説：
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.
質問 # 54
Which topology model does Apstra typically deploy in a data center?
- A. Ring topology
- B. EVPN-VXLAN Clos fabric
- C. Hub-and-Spoke
- D. Full Mesh Layer 3 VPN
正解：B
解説：
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.
質問 # 55
What type of anomalies does Routing Assurance detect in BGP sessions?
- A. MAC address duplication
- B. Web traffic spikes
- C. Peer flaps and misroutes
- D. DNS lookup failures
正解：C
解説：
Routing Assurance detects BGP-related anomalies like frequent flapping, route leaks, and unexpected peer behaviors. It does not monitor DNS, web traffic, or MAC-related issues.
質問 # 56
Which tool is essential for calling Juniper Mist's API endpoints effectively?
- A. Docker
- B. Git
- C. Kubernetes
- D. Curl
正解：D
質問 # 57
Which two routing protocols are monitored under Routing Assurance? (Choose two.)
- A. RIPv1
- B. SMTP
- C. BGP
- D. OSPF
正解：C、D
解説：
Routing Assurance monitors dynamic routing protocols like OSPF and BGP for health, topology changes, and SLA violations. SMTP is a mail protocol and RIPv1 is outdated.
質問 # 58
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