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Free Nokia 4A0-255 Practice Exam with Questions & Answers | Set: 2

Questions 11

Which of the following statements about Bit Error Rate (BER) is correct?

Options:
A.

BER is the ratio of redundant bits to correct bits.

B.

BER is measured at both the transmitted and receiving ends.

C.

BER can be measured beforeafter the FEC decoding.

D.

BER can be accurately measured in a short period of time , for any rate.

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Questions 12

What is precision Time Protocol (PTP) designed for?

Options:
A.

Precise time measurements

B.

Synchronization of encryption entities

C.

Shortest path discovery

D.

Packet-based timing distribution

Exam Code: 4A0-255
Certification Provider: Nokia
Exam Name: Nokia Advanced Optical Network Design
Last Update: Sep 13, 2025
Questions: 40

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