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Nokia 4A0-205 Exam Overview:

Certification Vendor:	Nokia
Exam Name:	Nokia Optical Networking Fundamentals 4A0-205
Exam Number:	4A0-205
Available Languages:	English
Sample Questions:	Nokia 4A0-205 Sample Questions

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To successfully pass the Nokia 4A0-205 exam, candidates should have a basic understanding of networking concepts such as routing, switching, and network protocols. Candidates should also have experience working with optical networking equipment and a basic understanding of the technologies used in optical networking. Nokia Optical Networking Fundamentals certification is ideal for professionals who are interested in pursuing careers in optical networking or who are looking to expand their knowledge and skillset in this area. The Nokia 4A0-205 Certification is recognized globally and is a valuable credential for professionals looking to advance their careers in the networking industry.

Nokia Optical Networking Fundamentals Sample Questions (Q43-Q48):

NEW QUESTION # 43
Is it possible to open and manage EPT designs that are created with different releases than the release installed on the local workstation?

A. Only designs created with the current release can be opened and edited.
B. No restrictions are imposed on the software release.
C. Designs created with an older release can be opened by a current release but cannot make changes.
D. Only designs created with current and older releases can be opened and edited.

Answer: D

Explanation:
It is possible to open and manage EPT designs that are created with different releases than the release installed on the local workstation, however only designs created with current and older releases can be opened and edited. Designs created with an older release can be opened by a current release but changes cannot be made.

NEW QUESTION # 44
Which statement is correct about node synchronization?

A. Full synchronization retrieves the correlated alarms from the node
B. Node synchronization is executed to test the reachability of a node
C. Node synchronization is executed to align the time of the node to the time of the NFM-T platform
D. Full synchronization retrieves all items from the node (NE parameters. Ports, Alarms, Internal Links, etc)

Answer: D

Explanation:
Node synchronization is a process of keeping the NFM-T database in sync with the nodes in the network. The synchronization process will download all the items from the node, including NE parameters, ports, alarms, internal links, etc., to the NFM-T database. This ensures that the NFM-T database is up to date and the network is running efficiently.

NEW QUESTION # 45
Which type of ports are present in the Colorless Wavelength Router (CWR)?

A. Colorless bi-directional ports
B. Colorless uni-directional ports only
C. Black and white ports
D. DeMux ports

Answer: A

Explanation:
Comprehensive and Detailed Explanation From Nokia Optical Networking Fundamentals:
In the Nokia 1830 PSS (Photonic Service Switch) architecture, the Colorless Wavelength Router (CWR) is a specialized module used within ROADM nodes to enable "colorless" add/drop capabilities. Traditional static multiplexers, like the SFD (Static Filter Device), use fixed-wavelength ports where a specific port is hard-wired to a specific frequency (color). In contrast, a CWR allows any wavelength to be added or dropped from any of its ports.
The ports on a CWR are bi-directional. This means that a single physical port on the CWR card handles both the transmit (Tx) and receive (Rx) paths for a specific wavelength, typically connecting to a transponder's line-side interface. This bi-directional design simplifies fiber management within the shelf and is a key requirement for the "Colorless" attribute of modern flexible grids. By utilizing CWR modules, operators can remotely retune a transponder to a different frequency without needing a technician to physically move fiber patches to a different port on a multiplexer, significantly increasing operational efficiency and reducing human error during service provisioning or restoration.

NEW QUESTION # 46
Where is the OPS card equipped to provide the optical channel protection?

A. Between the transponder and the amplifiers
B. Between the filters and the amplifiers
C. Before the transponder, on the client side, towards the external device
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 # 47
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 fibers that share the same latency risk
D. A set of boards that share the same failure risk

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 # 48
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