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Nokia 4A0-F10 Exam Syllabus Topics:

Section	Objectives
Topic 1: Broadband Services	- IPTV services - Intent-Based Networking (IBN) - Lightspan service components - Voice services - High-speed Internet services - Value-added and triple-play services - Intent mapping to network layers
Topic 2: Introduction to Fixed Networks	- Broadband network fundamentals - FTTH concepts and solutions - FTTx concepts and solutions - Fixed Wireless Access (FWA) - Broadband access services
Topic 3: Access Network	- Access network architecture - Optical Line Terminal (OLT) functionality - Multicast protocols for video distribution - Quality of Service (QoS) fundamentals
Topic 4: Home Network	- Home network device management - Home network connectivity - Home network devices - Wi-Fi fundamentals
Topic 5: Fixed Networks Management	- NFV and SDN fundamentals - NETCONF and YANG - Corteca home device controller - Nokia SDAN solution - IPFIX telemetry collection - Altiplano SDAN Controller

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최신 Nokia Certified Fixed Networks Professional 4A0-F10 무료샘플문제 (Q10-Q15):

질문 # 10
What is a typical function of the Network Termination card in a Nokia Lightspan access node?

A. It terminates every analog telephone inside the subscriber's home.
B. It provides Wi-Fi connectivity directly to subscriber mobile devices.
C. It operates as the passive splitter in the Optical Distribution Network.
D. It provides external network-facing interfaces through faceplate connectors or optical cages.

정답：D

설명：
The Network Termination card provides network-facing connectivity for a Lightspan access node. Its faceplate can contain connectors and optical cages used to connect the node to external aggregation, transport, management, synchronization, or other supported interfaces. The card participates in forwarding traffic between subscriber-facing line termination resources and the upstream network. It is an active component and must not be confused with a passive optical splitter in the outside plant. It also does not provide in-home Wi-Fi directly to subscriber devices; that function belongs to a residential gateway or Wi-Fi access point. Analog telephones are normally connected through voice-capable subscriber equipment, such as an ONT with appropriate telephone interfaces, rather than directly to the Lightspan NT card.

질문 # 11
Which Lightspan interface type normally connects an access node directly to subscriber-facing equipment?

A. Network-to-Network Interface
B. Management loopback interface
C. Subtending interface
D. User Network Interface

정답：D

설명：
A User Network Interface is the subscriber-facing interface through which an access node connects to customer-side equipment or services. Depending on the access technology, this relationship can involve ONTs, subscriber ports, or other access termination functions. A Network-to-Network Interface connects the access node toward another network device, typically the Ethernet aggregation or transport network. A subtending interface is used when one access node is connected through another access node, allowing the downstream node's traffic to reach the aggregation network through the upstream node. A loopback interface is a logical interface generally used for management, routing identification, or testing and is not a physical subscriber connection. Correctly distinguishing UNI, NNI, and subtending roles is essential when interpreting an access-node datapath.

질문 # 12
In a Lightspan High-Speed Internet service architecture, what is the role of the HSI VPLS on the IHUB?

A. It performs DSL crosstalk cancellation on copper pairs.
B. It assigns Wi-Fi channels to residential gateways.
C. It switches HSI traffic between service forwarders and network-facing interfaces.
D. It converts optical signals into analog telephone signals.

정답：C

설명：
The HSI VPLS on the integrated hub provides the Layer 2 switching context used to carry High-Speed Internet traffic between HSI forwarders and the network-facing side of the access node. Subscriber traffic arriving through an ONT is associated with an HSI forwarder on the relevant line termination resources. The forwarder connects that traffic to the HSI VPLS, which then switches it toward one or more NNIs leading to the aggregation network. The VPLS does not perform optical-to-analog voice conversion, Wi-Fi radio management, or DSL vectoring. Those functions belong to different service components or technologies. This logical service architecture allows subscriber-facing resources and network-facing interfaces to participate in a controlled Ethernet forwarding domain while supporting the required service separation and policies.

질문 # 13
What does hardware abstraction provide in a disaggregated access network?

A. A consistent control interface across different underlying hardware platforms
B. A requirement that every access node use identical physical components
C. Direct conversion of every physical access node into a passive device
D. Elimination of all device-specific capabilities and operational limits

정답：A

설명：
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.

질문 # 14
Which YANG node type represents multiple scalar values under the same node name without allowing child nodes?

A. Leaf-list
B. Choice
C. List
D. Container

정답：A

설명：
A YANG leaf-list represents a sequence of scalar values of the same defined type. Like a leaf, each value is terminal and cannot contain child nodes. However, unlike a single leaf, a leaf-list can have multiple entries. A YANG list also supports multiple instances, but each list entry can contain child nodes and is normally identified by one or more key leaves. A container groups related child nodes but does not itself represent a repeated collection of scalar values. A choice defines alternative branches in a data model, allowing one set of nodes from the available cases to be selected. Correctly distinguishing these node types is important when interpreting YANG schemas used to configure and monitor access devices through model-driven management interfaces.

질문 # 15
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