4A0-205 Exam Simulator Fee | Amazing Pass Rate For Nokia 4A0-205 | 4A0-205: Nokia Optical Networking Fundamentals

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Nokia 4A0-205 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Optical Networking Basics	20%	- Optical components and functions - Fiber types, properties and transmission principles - Optical signal propagation and characteristics
Topic 2: Optical Network Architecture and Nodes	20%	- WDM node types and functionalities - Switched WDM (SWDM) principles - Network topologies and transport architectures
Topic 3: Network Management and Operations	20%	- Network design with 1830 EPT / WaveSuite Planner - Network commissioning and monitoring - NFM-T / WS-NOC management system overview - Performance monitoring, alarms and troubleshooting
Topic 4: Network Survivability and Protection	15%	- Protection and restoration mechanisms - Availability and survivability concepts - Path and line protection schemes
Topic 5: WDM Technology and Systems	25%	- DWDM system architecture and building blocks - Optical amplifiers and transmission engineering - Wavelength Division Multiplexing concepts

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Nokia Optical Networking Fundamentals Sample Questions (Q13-Q18):

NEW QUESTION # 13
What is a Shared Risk Group (SRG)?

A. A set of network resources that share a common failure risk
B. A set of boards that share the same failure risk
C. A set of fibers that share the same latency risk
D. A set of nodes that share a common risk of hardware failure

Answer: A

Explanation:
According to the Nokia Optical Networking documentation, a Shared Risk Group (SRG) is defined as "a set of network resources that share a common failure risk. When a resource in an SRG fails, the other resources in the group are also affected." This can include fibers, boards, nodes, and other network resources. The SRG concept is used in network design and protection mechanisms to ensure survivability and minimal impact on service in case of a failure.

NEW QUESTION # 14
When monitoring the quality of the received signal in WDM, an open eye indicates:

A. High jitter
B. High distortion
C. Low noise
D. Presence of high inter-symbolic interference

Answer: C

Explanation:
An open eye pattern indicates that the signal is not affected by noise, and the received signal is of high quality. This is because an open eye pattern is the result of a signal that is aligned in time, and is not affected by noise or other distortions.
Reference:
"Optical Fiber Communications" by Gerd Keiser
"Fiber-Optic Communications Technology" by Djafar K. Mynbaev
"Optical Communications" by Gerd Keiser

NEW QUESTION # 15
Where is the OPS card equipped to provide the optical channel protection?

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

Answer: D

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 # 16
What is the purpose of the validate step in the EPT design process?

A. This step is used to measure optical power performances over an existing network before making changes.
B. During this step, the run design action is triggered for network design consistency check and errors fixing.
C. This step is optional and is useful to verify the network element layout before going through the commission step.
D. During this step, the configuration available on the involved network elements is compared with the design provided by EPT.

Answer: B

Explanation:
The validate step in the EPT design process is used to trigger the run design action, which is responsible for verifying the consistency of the network design and fixing any errors that may exist. During the validation process, the system will compare the configuration available on the involved network elements and the design provided by EPT, and any discrepancies will be flagged for further investigation or correction.

NEW QUESTION # 17
How is it possible to check the activation status of GMRE on a node?

A. The GMRE activation status is reflected on the color of the icon representing the node
B. The ControlPlane status column on the node list displays the GMRE status for the selected node
C. The GMRE activation status is reported in the supervision state column on the node list
D. The GMRE reachability can be tested via ping request from NFM-T

Answer: C

Explanation:
The GMRE activation status is reported in the supervision state column on the node list. The supervision state column displays the GMRE status of the node, which is either "Activated" or "Not Activated". This allows the user to quickly check the GMRE activation status of a node without having to ping the node from the NFM-T platform.

NEW QUESTION # 18
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