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| Section | Objectives |
|---|---|
| Fixed Networks Management | - Nokia SDAN solution - Altiplano SDAN Controller - IPFIX telemetry collection - NETCONF and YANG - NFV and SDN fundamentals - Corteca home device controller |
| Access Network | - Access network architecture - Optical Line Terminal (OLT) functionality - Multicast protocols for video distribution - Quality of Service (QoS) fundamentals |
| Home Network | - Home network device management - Home network connectivity - Wi-Fi fundamentals - Home network devices |
| Introduction to Fixed Networks | - Broadband network fundamentals - Fixed Wireless Access (FWA) - Broadband access services - FTTx concepts and solutions - FTTH concepts and solutions |
| Broadband Services | - Intent-Based Networking (IBN) - IPTV services - Intent mapping to network layers - Voice services - Lightspan service components - Value-added and triple-play services - High-speed Internet services |
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質問 # 25
What is the primary purpose of Zero-Touch Provisioning for a newly installed residential Wi-Fi gateway?
正解：B
解説：
Zero-Touch Provisioning allows a newly connected gateway or Wi-Fi device to discover the appropriate management environment and obtain its required configuration with minimal manual intervention. This reduces installation time, lowers the chance of configuration errors, and makes subscriber self-installation more practical. In a managed home-network solution, the device can be associated with the subscriber, receive service parameters, and become visible to the provider's management platform. Zero-Touch Provisioning does not mean that no configuration exists; it means the configuration is delivered automatically instead of being entered locally by a technician. It also does not prevent management communication or turn an active gateway into a passive device. Successful provisioning still depends on network connectivity, device identity, authorization, and compatible management procedures.
質問 # 26
What is a typical function of the Network Termination card in a Nokia Lightspan access node?
正解：D
解説：
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.
質問 # 27
Which Wi-Fi 7 capability allows a compatible device to use more than one frequency-band link as part of the same connection?
正解：C
質問 # 28
Which Wi-Fi 7 capability allows a compatible device to use more than one frequency-band link as part of the same connection?
正解：C
解説：
Multi-Link Operation is a major Wi-Fi 7 capability that enables compatible devices to establish and coordinate multiple radio links, potentially across frequency bands such as 5 GHz and 6 GHz. Depending on the implementation, traffic can be distributed across links to increase throughput or moved between links to reduce latency and avoid interference. Earlier Wi-Fi generations generally treated a client's band connection more independently. Dynamic Bandwidth Allocation schedules upstream PON capacity, DSL vectoring mitigates copper-pair crosstalk, and VLAN stacking carries multiple VLAN identifiers in Ethernet frames. Multi-Link Operation requires support from both the access point and client. Actual performance also depends on spectrum availability, channel conditions, device capabilities, regulatory constraints, and the capacity of the access point's wired or wireless backhaul.
質問 # 29
Within the ETSI NFV management and orchestration architecture, which functional block manages virtualized compute, storage, and networking resources?
正解：C
解説：
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
質問 # 30
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