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| Section | Objectives |
|---|---|
| Topic 1: Introduction to Fixed Networks | - FTTx concepts and solutions - Broadband network fundamentals - FTTH concepts and solutions - Fixed Wireless Access (FWA) - Broadband access services |
| Topic 2: Home Network | - Home network devices - Home network connectivity - Wi-Fi fundamentals - Home network device management |
| Topic 3: Broadband Services | - IPTV services - Intent-Based Networking (IBN) - Intent mapping to network layers - Value-added and triple-play services - High-speed Internet services - Lightspan service components - Voice services |
| Topic 4: Fixed Networks Management | - NFV and SDN fundamentals - IPFIX telemetry collection - Nokia SDAN solution - Corteca home device controller - NETCONF and YANG - Altiplano SDAN Controller |
| Topic 5: Access Network | - Multicast protocols for video distribution - Access network architecture - Quality of Service (QoS) fundamentals - Optical Line Terminal (OLT) functionality |
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NEW QUESTION # 28
Which Altiplano intent is used to define the uplink interfaces that connect an OLT toward the aggregation network?
Answer: A
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 # 29
Which of the following statements correctly distinguishes traffic shaping from traffic policing?
Answer: C
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 # 30
Which architectural principle is fundamental to Software-Defined Networking?
Answer: B
Explanation:
A central principle of Software-Defined Networking is the separation of control logic from packet-forwarding functions. The data plane remains responsible for forwarding traffic, while logically centralized control software determines policies and programs network behavior through defined interfaces. Logically centralized does not necessarily mean that all controller functions run on one physical server; they may be distributed for scalability and resilience while presenting a coordinated control view. SDN emphasizes programmability, automation, abstraction, and the use of APIs. It does not require every forwarding device to independently make all high-level policy decisions. It also avoids tightly coupling every function into one fixed proprietary system. In fixed-access networks, these concepts help operators automate service delivery and manage different access devices through common models and controller applications.
NEW QUESTION # 31
Which characteristic distinguishes G.fast from traditional ADSL technologies?
Answer: D
NEW QUESTION # 32
In a GPON system using Dynamic Bandwidth Allocation, which device determines when an ONT may transmit upstream traffic?
Answer: C
Explanation:
The OLT controls upstream access to the shared GPON medium. Multiple ONTs use the same upstream wavelength, so uncoordinated transmissions could overlap and cause collisions. Through Dynamic Bandwidth Allocation, the OLT evaluates bandwidth requirements and assigns upstream transmission grants to the ONTs. These grants specify when an ONT can transmit and how much upstream capacity it may use. Traffic containers, or T-CONTs, help represent different upstream traffic and service requirements. The passive splitter cannot schedule traffic because it has no processing capability. The residential gateway handles subscriber-side functions, while an aggregation switch forwards Ethernet traffic beyond the access network. Centralized upstream scheduling enables efficient bandwidth sharing and helps the operator support different service priorities and performance commitments across subscribers.
NEW QUESTION # 33
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