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| Section | Objectives |
|---|---|
| Topic 1: Software Defined Access Network (SDAN) | - Network topology and service health - Altiplano Access Controller - Subscriber and service management - Corteca platform |
| Topic 2: Service delivery and operations | - Voice, Internet and IPTV services - Network monitoring and troubleshooting - High-Speed Internet (HSI) - Service provisioning |
| Topic 3: Fixed network architectures and broadband access | - Passive Optical Networks (PON) - FTTH and FTTx technologies - Broadband network architecture - Optical Distribution Network (ODN) - Fixed Wireless Access (FWA) |
| Topic 4: Nokia fixed access portfolio | - Lightspan FX and MF Optical Line Terminals - Optical Network Terminals (ONTs) - Home networking devices - FastMile FWA solutions |
| Topic 5: Management interfaces and automation | - CLI fundamentals - NETCONF - YANG data models - Telemetry and automation concepts |
>> Reliable 4A0-F10 Exam Topics <<
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NEW QUESTION # 42
What is the primary function of the cladding in an optical fiber?
Answer: B
NEW QUESTION # 43
Within the ETSI NFV management and orchestration architecture, which functional block manages virtualized compute, storage, and networking resources?
Answer: A
Explanation:
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
NEW QUESTION # 44
Which of the following statements correctly distinguishes traffic shaping from traffic policing?
Answer: D
Explanation:
Traffic shaping regulates an outgoing traffic stream by buffering packets that temporarily exceed the configured rate and transmitting them later. This smooths bursts but can introduce additional latency because packets remain in a queue. Traffic policing checks traffic against configured rate limits without normally delaying nonconforming packets. Depending on the policy, packets exceeding the permitted profile can be dropped or marked with a lower priority. Both mechanisms are QoS tools and are independent of whether the physical access medium is fiber, copper, or wireless. They also do not control multicast membership or VLAN assignment. In a fixed-access network, shaping can help produce a smoother egress rate, while policing can enforce subscriber or service bandwidth limits at an ingress boundary.
NEW QUESTION # 45
In an 802.1X-based subscriber authentication design, which role does the residential gateway normally perform?
Answer: D
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 # 46
Which traffic-delivery method is commonly used for a live IPTV channel watched simultaneously by many subscribers?
Answer: C
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 # 47
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