市場には試験に関する多くの学習資料があるため、当社から4A0-F10準備ガイドを選択する決定を下すことは容易ではありません。ただし、当社から4A0-F10テストプラクティスファイルを購入することに決めた場合は、ここ数年で行った最良の決定の1つになることをお知らせします。私たちに知られているように、当社の4A0-F10準備資料は、この分野の有名な専門家や教授の多くによって設計されています。 4A0-F10準備ガイドが想像を超えた高品質であることは間違いありません。
| Section | Objectives |
|---|---|
| Software Defined Access Network (SDAN) | - Corteca platform - Altiplano Access Controller - Network topology and service health - Subscriber and service management |
| Service delivery and operations | - Service provisioning - Voice, Internet and IPTV services - High-Speed Internet (HSI) - Network monitoring and troubleshooting |
| Nokia fixed access portfolio | - FastMile FWA solutions - Optical Network Terminals (ONTs) - Lightspan FX and MF Optical Line Terminals - Home networking devices |
| Fixed network architectures and broadband access | - FTTH and FTTx technologies - Passive Optical Networks (PON) - Optical Distribution Network (ODN) - Broadband network architecture - Fixed Wireless Access (FWA) |
| Management interfaces and automation | - YANG data models - NETCONF - Telemetry and automation concepts - CLI fundamentals |
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質問 # 20
A subscriber installs several coordinated Wi-Fi access points to provide consistent coverage throughout a large home. What type of solution is this?
正解：C
解説：
A Wi-Fi mesh system uses multiple coordinated Wi-Fi nodes or access points to extend wireless coverage across a home or other large area. The nodes operate as part of one managed system and can steer clients or select paths to improve coverage and user experience. This differs from a single Wi-Fi router, which combines routing, switching, and wireless access functions in one device but may not adequately cover a large property. A passive optical network delivers fiber access and does not describe the in-home wireless topology. DSL bonding combines copper pairs, while a virtual network function is a software implementation of a network function running on virtualized infrastructure. Placement, backhaul quality, interference, and radio-resource management all affect mesh performance.
質問 # 21
What does hardware abstraction provide in a disaggregated access network?
正解：C
解説：
Hardware abstraction separates higher-level control and management functions from many platform-specific implementation details. It can provide controllers and applications with consistent models or interfaces for operating different supported hardware platforms. This makes automation, service development, and multivendor management more practical because applications do not need to reproduce every low-level procedure for each device. Abstraction does not require all platforms to contain identical components, nor does it eliminate actual differences in capacity, features, or operational constraints. Those differences must still be represented where relevant. It also does not make active access equipment passive. In a disaggregated access architecture, software is divided into functional modules, and standardized or well-defined interfaces allow those modules to interact with abstracted device resources and with higher-level orchestration or assurance applications.
質問 # 22
How does an ADSL connection support simultaneous traditional voice and broadband data over the same copper pair?
正解：D
解説：
ADSL uses frequency-division techniques to place traditional analog voice and broadband data in different portions of the available copper-pair spectrum. The lower-frequency range is reserved for voice, while higher-frequency ranges carry upstream and downstream DSL data. Filters or splitters separate these frequency ranges at the subscriber and network sides, allowing a telephone call and an Internet session to operate simultaneously. The services are not required to alternate in time, and an optical wavelength is not involved because ADSL operates over copper. GPON time-slot scheduling applies to upstream transmissions from ONTs on a passive optical network, not to ADSL voice separation. Line quality, loop length, attenuation, and interference affect the data rate that ADSL can achieve.
質問 # 23
Within the ETSI NFV management and orchestration architecture, which functional block manages virtualized compute, storage, and networking resources?
正解：D
解説：
The Virtualized Infrastructure Manager manages the compute, storage, and networking resources that form the NFV Infrastructure. Its responsibilities can include allocating resources to virtual workloads, tracking available capacity, and controlling the virtualized environment. The Virtual Network Functions Manager has a different role: it manages the lifecycle of VNF instances, including operations such as instantiation, scaling, updating, and termination. Higher-level NFV orchestration coordinates network services and resources across the NFV environment. A traditional Network Management System can perform fault, configuration, accounting, performance, and security management, but it is not the NFV functional block specifically defined to control virtual infrastructure resources. An ONT is subscriber-premises access equipment and is unrelated to NFV infrastructure resource management.
Batch 2: Questions 11-20
質問 # 24
In a voice service delivered through an ONT, which component commonly provides signaling toward the operator's SIP infrastructure?
正解：D
解説：
A voice-capable ONT commonly contains a SIP agent that handles signaling toward the operator's SIP registrar and proxy infrastructure. An analog telephone can connect to a telephone interface on the ONT, which converts between the analog user interface and the packet-based voice service. Within the access node, voice traffic can be carried through a voice forwarder and an appropriate VPLS toward the aggregation network. A passive optical splitter merely divides optical power and cannot originate or terminate SIP signaling. A Wi-Fi mesh satellite extends wireless coverage, while IGMP snooping manages Layer 2 forwarding for multicast groups. SIP signaling establishes and manages communication sessions, whereas the actual media stream is commonly carried separately using a real-time transport protocol once the call has been established.
質問 # 25
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