100% Pass Quiz Valid Nokia - 4A0-F10 - Nokia Fixed Networks Fundamentals Real Testing Environment

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Nokia 4A0-F10 Exam Syllabus Topics:

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: Fixed Networks Management	- IPFIX telemetry collection - NETCONF and YANG - NFV and SDN fundamentals - Altiplano SDAN Controller - Corteca home device controller - Nokia SDAN solution
Topic 3: Home Network	- Home network device management - Home network devices - Home network connectivity - Wi-Fi fundamentals
Topic 4: Access Network	- Access network architecture - Optical Line Terminal (OLT) functionality - Multicast protocols for video distribution - Quality of Service (QoS) fundamentals
Topic 5: Broadband Services	- Lightspan service components - Intent mapping to network layers - IPTV services - Voice services - High-speed Internet services - Value-added and triple-play services - Intent-Based Networking (IBN)

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Nokia Fixed Networks Fundamentals Sample Questions (Q23-Q28):

NEW QUESTION # 23
Which Altiplano intent is used to define the uplink interfaces that connect an OLT toward the aggregation network?

A. Multicast-report intent
B. Wi-Fi-radio intent
C. Uplink-connection intent
D. Subscriber-authentication intent

Answer: C

NEW QUESTION # 24
Which characteristic distinguishes G.fast from traditional ADSL technologies?

A. G.fast requires a separate copper pair for upstream and downstream traffic.
B. G.fast commonly uses high frequencies and time-division duplexing over short copper loops.
C. G.fast carries only voice services and does not support broadband data.
D. fast is designed to deliver high broadband rates over relatively short copper loops, frequently using existing building or drop wiring. It uses a much wider and higher-frequency spectrum than traditional ADSL and commonly employs Time Division Duplexing. With TDD, upstream and downstream transmission use the same frequency spectrum during different time intervals. The upstream-to-downstream capacity ratio can therefore be adjusted through the TDD configuration. Higher frequencies can support greater capacity but experience substantial attenuation over distance, which is why G.fast is best suited to short loops. It does not operate through passive optical splitters, although fiber may be deployed close to the subscriber before the final copper segment. G.fast also supports broadband services rather than voice-only delivery.
E. G.fast operates only over passive optical splitters.

Answer: B

NEW QUESTION # 25
Which of the following statements correctly distinguishes traffic shaping from traffic policing?

A. Shaping selects multicast groups, while policing assigns subscriber VLANs.
B. Shaping buffers excess traffic, while policing can drop or remark nonconforming traffic.
C. Shaping is applied only to optical signals, while policing is applied only to copper signals.
D. Shaping always drops excess traffic immediately, while policing delays it in a queue.

Answer: B

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 # 26
A provider wants to separate every subscriber's traffic throughout the access network, even when subscribers use the same service. Which VLAN model best meets this requirement?

A. One VLAN for every multicast channel
B. VLAN per service
C. VLAN per subscriber
D. One untagged VLAN for the entire access network

Answer: C

Explanation:
A VLAN-per-subscriber model assigns a distinct VLAN context to each subscriber, providing clear Layer 2 separation between subscribers even when they consume the same service. This can simplify subscriber identification and support individual policy or forwarding treatment, but it requires the network to accommodate a larger number of VLANs. In a VLAN-per-service model, multiple subscribers using the same service can share a service VLAN toward the aggregation network. The access node must then preserve subscriber isolation through other forwarding controls and map traffic correctly between subscriber-facing and network-facing interfaces. Using one untagged VLAN for the entire access network provides insufficient segmentation. Assigning a VLAN to each multicast channel categorizes content rather than uniquely separating individual subscribers and therefore does not meet the stated requirement.

NEW QUESTION # 27
What does hardware abstraction provide in a disaggregated access network?

A. A consistent control interface across different underlying hardware platforms
B. Direct conversion of every physical access node into a passive device
C. Elimination of all device-specific capabilities and operational limits
D. A requirement that every access node use identical physical components

Answer: A

Explanation:
Hardware abstraction separates higher-level control and management functions from many platform-specific implementation details. It can provide controllers and applications with consistent models or interfaces for operating different supported hardware platforms. This makes automation, service development, and multivendor management more practical because applications do not need to reproduce every low-level procedure for each device. Abstraction does not require all platforms to contain identical components, nor does it eliminate actual differences in capacity, features, or operational constraints. Those differences must still be represented where relevant. It also does not make active access equipment passive. In a disaggregated access architecture, software is divided into functional modules, and standardized or well-defined interfaces allow those modules to interact with abstracted device resources and with higher-level orchestration or assurance applications.

NEW QUESTION # 28
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