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| Section | Objectives |
|---|---|
| Topic 1: Home Network | - Home network connectivity - Home network device management - Home network devices - Wi-Fi fundamentals |
| Topic 2: Broadband Services | - Lightspan service components - Value-added and triple-play services - High-speed Internet services - Voice services - Intent mapping to network layers - IPTV services - Intent-Based Networking (IBN) |
| Topic 3: Introduction to Fixed Networks | - FTTH concepts and solutions - Fixed Wireless Access (FWA) - Broadband network fundamentals - Broadband access services - FTTx concepts and solutions |
| Topic 4: Access Network | - Optical Line Terminal (OLT) functionality - Multicast protocols for video distribution - Access network architecture - Quality of Service (QoS) fundamentals |
| Topic 5: Fixed Networks Management | - NETCONF and YANG - Nokia SDAN solution - Altiplano SDAN Controller - IPFIX telemetry collection - Corteca home device controller - NFV and SDN fundamentals |
>> New 4A0-F10 Exam Answers <<
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NEW QUESTION # 15
Which traffic-delivery method is commonly used for a live IPTV channel watched simultaneously by many subscribers?
Answer: D
Explanation:
Live IPTV channels are commonly distributed using multicast because many subscribers may request the same content at the same time. The network carries a shared stream across common paths and replicates packets only where delivery paths branch toward participating receivers. Subscribers signal membership using protocols such as IGMP. This approach is more bandwidth-efficient than delivering a separate unicast copy from the source to every viewer. Video on Demand is commonly delivered using unicast because each viewer may start, pause, or seek through different content independently. NETCONF notifications carry management events rather than television content. IPTV is packet-based and does not require a separate analog transmission for every copper pair. Effective multicast deployment also depends on correct group control, snooping, routing, QoS, and service-forwarding configuration.
NEW QUESTION # 16
Which Corteca component is intended primarily for use by the subscriber during Wi-Fi installation and management?
Answer: C
Explanation:
The Corteca mobile application provides subscriber-facing capabilities that can support self-installation and home Wi-Fi management. Depending on the enabled service, the subscriber can receive installation guidance, view the home network, manage connected devices, and perform supported troubleshooting or configuration tasks. The service provider uses other Corteca platform components for centralized service management, visibility, and operational control. An OLT network termination card provides access-node network connectivity and is not a subscriber application. An IPFIX collector receives traffic-flow records, while a NETCONF candidate datastore holds proposed device configuration before it is committed. Separating subscriber-facing and operator-facing functions allows the provider to offer controlled self-service capabilities without exposing the complete network-management environment or low-level access-device configuration to the end user.
NEW QUESTION # 17
Which Altiplano intent is used to define the uplink interfaces that connect an OLT toward the aggregation network?
Answer: C
Explanation:
The uplink-connection intent defines how an OLT connects toward the aggregation or transport network. It is used to configure relevant uplink resources, which can include network-facing interfaces and associated parameters supported by the device and intent model. This intent is distinct from the broader device intent and device-configuration information used to identify and configure the particular access node and its assigned profiles. Subscriber authentication, Wi-Fi radio operation, and multicast membership reporting are separate functional areas and are not substitutes for the OLT uplink-connection intent. By representing uplink connectivity as an intent, Altiplano can translate the desired connection into lower-level device configuration and apply it consistently through model-driven management. The resulting configuration must still match the capabilities and physical resources available on the selected OLT.
NEW QUESTION # 18
Which of the following statements correctly describes downstream and upstream transmission in a GPON network?
Answer: B
Explanation:
GPON uses different transmission methods in the downstream and upstream directions. In the downstream direction, the OLT sends a continuous stream through the passive optical splitter. This stream reaches every connected ONT, but each ONT processes only the frames intended for it. Encryption can protect subscriber traffic from other ONTs on the same PON. In the upstream direction, several ONTs share the same optical fiber and cannot transmit simultaneously without coordination. The OLT therefore assigns transmission opportunities using Time Division Multiple Access. Dynamic Bandwidth Allocation can adjust these upstream grants according to traffic demand and service requirements. Separate fibers are not required for each subscriber because GPON commonly uses wavelength separation to carry downstream and upstream traffic over the same fiber infrastructure.
NEW QUESTION # 19
Which Lightspan interface type normally connects an access node directly to subscriber-facing equipment?
Answer: A
Explanation:
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.
NEW QUESTION # 20
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