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| Section | Objectives |
|---|---|
| Topic 1: Access Network | - Quality of Service (QoS) fundamentals - Optical Line Terminal (OLT) functionality - Multicast protocols for video distribution - Access network architecture |
| Topic 2: Broadband Services | - Value-added and triple-play services - Lightspan service components - Intent-Based Networking (IBN) - Intent mapping to network layers - Voice services - IPTV services - High-speed Internet services |
| Topic 3: Fixed Networks Management | - Altiplano SDAN Controller - Nokia SDAN solution - Corteca home device controller - NETCONF and YANG - NFV and SDN fundamentals - IPFIX telemetry collection |
| Topic 4: Introduction to Fixed Networks | - FTTH concepts and solutions - FTTx concepts and solutions - Broadband access services - Broadband network fundamentals - Fixed Wireless Access (FWA) |
| Topic 5: Home Network | - Home network devices - Home network device management - Home network connectivity - Wi-Fi fundamentals |
>> 4A0-F10 Test Objectives Pdf <<
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NEW QUESTION # 37
Why does an access automation platform store operational state, logs, and telemetry in a common data lake?
Answer: D
Explanation:
A common data lake provides a centralized location for operational state, telemetry, logs, alarms, and other information collected from access-network devices and applications. Centralized data enables monitoring tools to correlate information across multiple nodes, evaluate network health, identify trends, and support analytics-driven automation. Historical data can also assist with troubleshooting, performance baselining, capacity planning, and detection of abnormal behavior. The data lake does not replace physical access devices; it stores information describing their operation. It is intended to make relevant information available to authorized applications rather than prevent historical access. It also does not automatically transform subscriber unicast traffic into multicast. Forwarding behavior is controlled through service and network configuration, whereas the data lake supports visibility, analysis, and operational decision-making.
NEW QUESTION # 38
Which connection is normally used by a Fixed Wireless Access indoor gateway to reach the service provider's access network?
Answer: A
Explanation:
A Fixed Wireless Access indoor gateway normally uses a 4G or 5G radio connection to reach the service provider's mobile or fixed-wireless access network. Inside the home, the gateway can provide Ethernet and Wi-Fi connectivity to subscriber devices. This separates the wide-area access technology from the in-home distribution technology: cellular radio connects the premises to the operator, while Wi-Fi connects local user devices. A DSLAM is associated with copper-based DSL access, and a passive optical splitter belongs to a PON deployment. A subtending interface connects access nodes rather than a subscriber gateway to a radio network. Depending on the deployment, the FWA gateway may also be remotely provisioned and monitored using an external management platform and standardized CPE-management mechanisms.
NEW QUESTION # 39
In an 802.1X-based subscriber authentication design, which role does the residential gateway normally perform?
Answer: A
Explanation:
The residential gateway normally acts as the 802.1X supplicant. It supplies identity information and participates in the Extensible Authentication Protocol exchange required to obtain network access. The access device or OLT commonly performs the authenticator role, controlling the subscriber-facing port and relaying authentication information between the supplicant and the authentication server. The authentication server, frequently using RADIUS, validates the credentials and returns an authorization result or related policy attributes. The gateway is therefore not itself the RADIUS database or authentication server in this design. A multicast querier performs a separate function by sending IGMP queries to maintain multicast membership information. Before successful authentication, the authenticator generally restricts ordinary subscriber traffic while allowing the authentication exchange required to complete access control.
NEW QUESTION # 40
A YANG model specifies that a configuration leaf can contain an integer from 1 through 4094. What is the principal benefit of this restriction?
Answer: A
Explanation:
YANG can define data types, ranges, patterns, mandatory nodes, default values, and relationships between configuration elements. A range restriction allows management software and network devices to verify that a submitted value falls within the permitted limits. For example, restricting a VLAN-related integer to an appropriate range prevents clearly invalid values from being accepted. This model-driven validation reduces configuration errors and makes automation more predictable. A passive optical splitter has no processing capability and cannot correct invalid configuration. The restriction also does not convert a value into an Ethernet frame or prevent NETCONF access. Instead, NETCONF can carry configuration data structured according to the YANG model, and the server can reject an <edit-config> request when the proposed data violates applicable schema constraints.
NEW QUESTION # 41
What is a principal responsibility of the NFV Orchestrator in an NFV environment?
Answer: C
Explanation:
The NFV Orchestrator coordinates the lifecycle of network services composed of one or more virtualized network functions and helps coordinate the infrastructure resources required by those services. It can work with Virtual Network Functions Managers and Virtualized Infrastructure Managers during service instantiation, scaling, modification, and termination. The VNFM focuses on the lifecycle of VNF instances, while the VIM manages virtualized compute, storage, and networking resources. The NFV Orchestrator does not terminate GPON optical signals, manage individual home Wi-Fi radio channels as its primary function, or perform physical fiber installation. Its higher-level coordination role helps translate a network-service definition into the deployment and resource actions necessary to create and maintain that service within the virtualized environment.
NEW QUESTION # 42
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