Prepare with Nokia 4A0-205 exam practice material, pass for sure
Updated: Oct 18, 2026
No. of Questions: 62 Questions & Answers with Testing Engine
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Nokia 4A0-205 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia Optical Networking Fundamentals |
| Exam Number: | 4A0-205 |
| Exam Duration: | 90 minutes |
| Exam Price: | $125 USD |
| Related Certifications: | Nokia Certified Optical Network Automation Professional Nokia Optical Network Services Expert Certification Nokia Optical Network Professional Certification |
| Available Languages: | English |
| Exam Format: | Multiple Choice |
| Real Exam Qty: | 40 |
| Sample Questions: | Nokia 4A0-205 Sample Questions |
| Exam Way: | Pearson VUE testing center or online proctored exam. |
| Pre Condition: | No mandatory prerequisites. |
| Official Syllabus URL: | https://www.nokia.com/networks/training/onc/exams/optical-networking-fundamentals/ |
Nokia 4A0-205 Exam Syllabus Topics:
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Nokia Optical Networking Fundamentals Sample Questions:
How many PM bins can be stored, for each data collection point, on PSS systems?
- A. 33 x 15-min bins, 8 x 1-day bins and 1 raw bin.
- B. 120 x 15-min bins, 60 x 1-day bins and 1 raw bin.
- C. 200 x 15-min bins, 90 x 1-day bins and 1 raw bin.
- D. 4 x 15-min bins and 1 x 1-day bin.
Correct Answer: A 🗳️
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Which of the following statements about coherent transmission in WDM technology is TRUE?
- A. Coherent systems need carrier phase information at the receiver.
- B. Only multi-mode fibers can be used with coherent transmissions.
- C. At each receiver, a dispersion compensation unit is often necessary, depending on the fiber length.
- D. The channel allocation is flexible, according to the channel size of the signals.
Correct Answer: A 🗳️
Explanation: Only visible for Test4Sure members. You can sign-up / login (it's free).
What is the function of a pre-amplifier in an optical network?
- A. Through the pre-amplifier, the optical signal is amplified both the receiver side and at the transmitter side.
- B. Through the pre-amplifier, the optical signal is amplified within the node internally to recover internal losses due, for instance, to cascaded filters.
- C. Through the pre-amplifier, the optical signal is amplified at the receiver side after it travels along the fiber from another node.
- D. Through the pre-amplifier, the optical signal is amplified at the transmitter side before it is sent to the line span.
Correct Answer: D 🗳️
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What is a Shared Risk Group (SRG)?
- A. A set of network resources that share a common failure risk
- B. A set of nodes that share a common risk of hardware failure
- C. A set of boards that share the same failure risk
- D. A set of fibers that share the same latency risk
Correct Answer: A 🗳️
Explanation: Only visible for Test4Sure members. You can sign-up / login (it's free).
Which sentence about NFM-T is correct?
- A. NFM-T fully supports LO, LI, L2 and GMPLS applications and it is mainly focused on 1830 PSS, as well as other older product families
- B. NFM-T is used to design and manage optical network
- C. NFM-T fully supports optical and IP nodes
- D. NFM-T is used to provision optical services having IP nodes as extremities
Correct Answer: D 🗳️
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