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Nokia 4A0-F10 Exam Syllabus Topics:

Nokia Fixed Networks Fundamentals Sample Questions:

1. Which characteristic distinguishes G.fast from traditional ADSL technologies?

A) 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.
B) G.fast operates only over passive optical splitters.
C) G.fast carries only voice services and does not support broadband data.
D) G.fast requires a separate copper pair for upstream and downstream traffic.
E) G.fast commonly uses high frequencies and time-division duplexing over short copper loops.

2. In a Lightspan High-Speed Internet service architecture, what is the role of the HSI VPLS on the IHUB?

A) It switches HSI traffic between service forwarders and network-facing interfaces.
B) It converts optical signals into analog telephone signals.
C) It performs DSL crosstalk cancellation on copper pairs.
D) It assigns Wi-Fi channels to residential gateways.

3. In an IPFIX deployment, which component observes traffic and sends flow records to a receiving system?

A) Exporting process
B) 802.1X supplicant
C) Passive optical splitter
D) SIP registrar

4. How does an ADSL connection support simultaneous traditional voice and broadband data over the same copper pair?

A) It assigns voice and data to different frequency ranges.
B) It uses separate time slots controlled by a GPON OLT.
C) It transmits voice only when no data packets are present.
D) It converts the voice service into an optical wavelength.

5. What is the primary function of the cladding in an optical fiber?

A) To keep light confined within the fiber core
B) To amplify optical signals over long distances
C) To divide one optical signal among multiple subscribers
D) To convert electrical signals into optical signals

Solutions: