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Nokia 4A0-205 Exam Overview:

Certification Vendor:	Nokia
Exam Name:	Nokia Optical Networking Fundamentals
Exam Number:	4A0-205
Certificate Validity Period:	3 years
Exam Format:	Multiple-choice questions
Related Certifications:	Nokia Certified Optical Network Automation Professional Nokia Optical Network Professional Certification Nokia Optical Network Services Expert Certification
Exam Duration:	90 minutes
Exam Price:	$125 USD
Passing Score:	80%
Available Languages:	English
Real Exam Qty:	40
Recommended Training:	Nokia Optical Networking Fundamentals Course (ER00834)
Exam Registration:	Nokia Exam Registration
Sample Questions:	Nokia 4A0-205 Sample Questions
Exam Way:	Online proctored or onsite at authorized test centers
Pre Condition:	No mandatory prerequisites; basic knowledge of networking principles recommended
Official Syllabus URL:	https://www.nokia.com/networks/training/onc/exams/optical-networking-fundamentals/

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Nokia Optical Networking Fundamentals Sample Questions (Q31-Q36):

NEW QUESTION # 31
Which macro steps can be executed via CPB?

A. Power adjustment and generation of the system loss report
B. Node creation, systems validation and system provisioning
C. Systems validation, system provisioning, power adjustment
D. Node supervision, system validation and system provision

Answer: B

Explanation:
Node creation, systems validation and system provisioning. The CPB (Commissioning Parameter Builder) application is used to generate commissioning files for a Nokia 1830 Photonic Service Switch (PSS-1) and can be used to create new nodes, validate the system configuration, and provision the system with the appropriate settings and parameters. Power adjustment and generation of system loss report are not related to CPB.

NEW QUESTION # 32
Which of the following are the main reasons for fiber attenuation?

A. Scattering and absorption
B. Refraction and reflection
C. Small channel spacing
D. Chromatic dispersion (CD) and polarization mode dispersion

Answer: A

Explanation:
Scattering and absorption are the main reasons for fiber attenuation. Scattering occurs when light bounces off the sides of the fiber, while absorption happens when light is absorbed by the glass or other materials that make up the fiber. Chromatic dispersion (CD) and polarization mode dispersion (PMD) are also factors that can cause attenuation, but they are not the main causes. Small channel spacing can also cause attenuation, but it is a secondary factor and is only significant in certain cases.

NEW QUESTION # 33
Where is the OPS card equipped to provide the optical channel protection?

A. Between the transponder and the amplifiers
B. Before the transponder, on the client side, towards the external device
C. Between the filters and the amplifiers
D. Between the transponder and the filter

Answer: A

Explanation:
According to the Nokia's 1830 Photonic Service Switch (PSS) product documentation, the Optical Protection Switching (OPS) card is equipped in the transponder and is responsible for providing optical channel protection between the transponder and the amplifiers. The OPS card monitors the optical signal and switches to a pre-configured protection path in case of signal degradation or loss.

NEW QUESTION # 34
What is the OAMP LAN interface?

A. It is an RJ-45 interface (a common Ethernet port) used to export active alarms to an external device, typically equipped with several LEDs
B. It is an RJ-45 interface (a common Ethernet port) used for cascading 1830 PSS nodes (e.g., external shelves)
C. It is an RJ-45 interface (common Ethernet port) used to connect one or more client ports (e.g., 1Gb/s or legacy 100Mbit/s client flows)
D. It is an RJ-45 interface (a common Ethernet port) that has to be configured with an IP address for node reachability and management

Answer: D

Explanation:
It is an RJ-45 interface (a common Ethernet port) that has to be configured with an IP address for node reachability and management. This interface is used to connect the OAMP node to the LAN, allowing it to be managed and monitored remotely.

NEW QUESTION # 35
With reference to the image, where is the OPS card placed to provide the OMSP protection?

A. Between the mux/demux and the amplifier
B. Before the transponder, on the client side, towards the external device
C. After the amplifiers
D. Between the transponders and the mux/demux

Answer: B

NEW QUESTION # 36
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