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| Section | Objectives |
|---|---|
| Topic 1: Broadband Services | - Internet, IPTV and voice services - Lightspan service components |
| Topic 2: Home Network | - Home devices and connectivity - Wi-Fi fundamentals |
| Topic 3: Access Network | - OLT functions - Access network architecture - Multicast and QoS principles |
| Topic 4: Introduction to Fixed Networks | - Broadband access fundamentals - FTTH, FTTx and FWA solutions |
| Topic 5: Fixed Networks Management | - Netconf/YANG and telemetry - NFV and SDN concepts - Altiplano Software-Defined Access Network (SDAN) |
In the Nokia Fixed Networks Fundamentals (4A0-F10) Web-based Practice Test, you will get the 4A0-F10 questions that are real and accurate. Furthermore, the 4A0-F10 practice exam works smoothly on all operating systems including Mac, Linux, IOS, Android, and Windows. it is a browser-based Nokia Fixed Networks Fundamentals (4A0-F10) practice test software, there is no need for any specific software installation or additional plugins to function correctly.
NEW QUESTION # 38
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 # 39
A residential gateway ONT provides routed Internet access to devices in a subscriber's home. Which DHCP role does it normally perform on the home LAN?
Answer: A
Explanation:
A Layer 3 residential gateway normally operates as a DHCP server on the subscriber's home LAN. It assigns private IP addresses and other configuration information, such as the default gateway and DNS server addresses, to connected devices. On its network-facing WAN interface, the gateway may operate as a DHCP client to obtain service parameters from the operator's network. These two DHCP roles must not be confused. The gateway also commonly performs routing, Network Address Translation, firewall enforcement, and local Ethernet or Wi-Fi connectivity. The OLT transports and controls subscriber access traffic but does not normally allocate private LAN addresses directly to individual home devices. This architecture separates the operator-facing connection from the subscriber's private local network and allows multiple home devices to share the broadband service.
NEW QUESTION # 40
What is a typical function of the Network Termination card in a Nokia Lightspan access node?
Answer: B
Explanation:
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.
NEW QUESTION # 41
A QoS policy examines a packet's markings and assigns it to a forwarding class. Which QoS function is being performed?
Answer: B
Explanation:
Classification examines packet information and determines how the packet should be treated by the QoS system. The decision can use fields such as VLAN priority, Differentiated Services Code Point, protocol information, or interface context. After classification, the packet is assigned to an appropriate forwarding class and queue so that scheduling, congestion management, and other policies can provide the intended treatment. Shaping controls an outgoing rate by buffering excess traffic, while policing enforces a traffic profile by dropping or remarking nonconforming packets. Optical amplification increases optical signal power and is unrelated to packet classification. Effective classification is essential when a fixed-access network carries services with different requirements, such as voice, IPTV, management traffic, and best-effort Internet access.
NEW QUESTION # 42
Why must a managed ONT or residential gateway be reachable before an Auto Configuration Server can provision it using TR-069?
Answer: C
Explanation:
TR-069 enables remote management through communication between customer-premises equipment and an Auto Configuration Server. The device must be powered, operational, and able to establish or participate in a management session before configuration parameters, software information, diagnostics, or status data can be exchanged. An ACS cannot provision a device that is completely offline because no active communication path exists. TR-069 does not configure passive splitters, which contain no management processor or configurable service logic. The managed device can be located at the subscriber premises and does not need to be inside the central office. Communication is carried over the device's network connection rather than exclusively through an OLT serial console. Authentication and protected transport help secure management exchanges between the device and the ACS.
NEW QUESTION # 43
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