New 4A0-205 Test Discount & 4A0-205 Valid Exam Objectives

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Nokia 4A0-205 exam focuses on the fundamental concepts of optical networking, including Wavelength Division Multiplexing (WDM) technology, Optical Transport Network (OTN), and optical network design principles. 4A0-205 exam also covers the skills necessary to configure and troubleshoot optical networks using Nokia equipment. 4A0-205 Exam consists of 60 multiple-choice questions, and candidates have 90 minutes to complete it.

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One of the key areas covered by the Nokia 4A0-205 exam is the fundamentals of optical networking. This includes topics such as optical transmission systems, optical network design, and optical network management. 4A0-205 Exam also covers advanced topics such as wavelength division multiplexing (WDM) and optical switching.

Nokia Optical Networking Fundamentals Sample Questions (Q22-Q27):

NEW QUESTION # 22
What is a Shared Risk Group (SRG)?

Answer: D

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 # 23
Which of the following is NOT a troubleshooting functionality of the Wavelength Tracker?

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Nokia Optical Networking Fundamentals:
The Nokia Wavelength Tracker is a unique and powerful technology used within the 1830 PSS portfolio to provide "layer 0" visibility. It works by embedding unique optical signatures (keys) onto each wavelength at the source (transponder). These signatures allow the system to identify and monitor individual channels as they traverse the optical network without the need for expensive Optical Spectrum Analyzers (OSAs) at every site.
Specifically, the Wavelength Tracker enables tracing a service along its path by identifying these unique keys at various monitoring points. It also excels at channel power monitoring, as it can measure the power level of each specific wavelength independently. Furthermore, it is instrumental in detecting unexpected or missing channels (ghost signals or misrouting) by comparing the detected keys against the expected provisioning data in the management system. However, it is not used for testing a node's internal fiber connectivity before service provisioning. Internal fiber connectivity is typically verified during the commissioning phase using the Commissioning and Power Balancing (CPB) tool within WS-NOC or through manual physical inspection and "fiber-it" procedures. Wavelength Tracker requires an active, keyed optical signal to function, which generally exists only during or after the service provisioning stage.


NEW QUESTION # 24
What is the purpose of the NFM-T node synchronization?

Answer: B

Explanation:
This is done in order to keep the NFM-T database in sync with the nodes in the network. The synchronization process allows the NFM-T to keep track of any changes that are made to the nodes, such as new nodes added, nodes removed, and so on. By synchronizing the node database with the NFM-T, network administrators can ensure that their network is up to date and running efficiently.


NEW QUESTION # 25
WDM allows transmission systems to:

Answer: D


NEW QUESTION # 26
With reference to the image, where is the OPS card placed to provide the OMSP protection?

Answer: D


NEW QUESTION # 27
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