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Nokia 4A0-205 Exam Syllabus Topics:

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

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Nokia Optical Networking Fundamentals Sample Questions (Q29-Q34):

NEW QUESTION # 29
Which macro steps can be executed via CPB?

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

Answer: C

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 # 30
What is the metro area network?

A. The metro area network is located between access and core domains.
B. The metro area network is that portion of network that passes through a city to provide connections to several customers.
C. The metro area network is made of OCS/SWDM nodes only, as no pure photonic nodes are used here.
D. The metro area network is located in between two access area networks and made of photonic nodes only (no OCS/SWDM nodes are used there).

Answer: B

Explanation:
The Metro Area Network (MAN) is a telecommunications network that spans a metropolitan area and connects multiple local area networks (LANs) or business networks together. It typically covers an area that is larger than a LAN but smaller than a wide area network (WAN). The purpose of a MAN is to provide a high-bandwidth, low-latency communication infrastructure for businesses and other organizations in a metropolitan area.
Reference:
Cisco, "Metro Ethernet Services," https://www.cisco.com/c/en/us/solutions/service-provider/metro-ethernet-services/index.html Techopedia, "Metro Area Network (MAN)," https://www.techopedia.com/definition/26896/metro-area-network-man

NEW QUESTION # 31
A user needs to check for interface details against the commands is the correct one?

A. config interface detail 1/17/L1
B. 11starla 1/17 port-detail
C. config card 11star1a interface 1/17 detail
D. show interface 11starla 1/17/L1 detail

Answer: D

Explanation:
show interface 11starla 1/17/L1 detail is the correct command to check for interface details. This command will display detailed information about the specified interface, including its status, configuration, and statistics.

NEW QUESTION # 32
Which mechanisms can be put in place to increase network survivability?

A. Protection, where backup resources are allocated upon failure; or restoration, where each trail can be recovered thanks to a 1+1 protection mechanism
B. Protection, where backup resources are allocated upon failure; or restoration, where backup resources are pre-allocated and reserved
C. Protection, where backup resources are pre-allocated and reserved; or restoration, where backup resources are allocated upon failure.
D. Protection, where backup resources are pre-allocated and reserved; or restoration, where each trail can be recovered thanks to a 1+1 protection mechanism

Answer: C

Explanation:
There are two main mechanisms that can be put in place to increase network survivability: protection and restoration. Protection involves pre-allocating and reserving backup resources so that they are ready in case of a failure. Restoration involves allocating backup resources upon failure and using a 1+1 protection mechanism to recover each trail. This ensures that the network is able to re-route traffic in the event of a failure, increasing the overall survivability of the network.

NEW QUESTION # 33
By using the EPT run design command, are the previously designed elements removed?

A. Yes, although this is not happening in case of GMPLS-enabled nodes because existing slots cannot change as they are controlled by another manager (GMRE).
B. Yes, they are but only the first time the command is launched as - for future design phases - the existing packs need to keep the same slotting.
C. Not the design is always progressive, on top of the previous design.
D. It depends, the user is prompted to choose whether to delete or leave the previously designed elements.

Answer: D

Explanation:
The EPT run design command can remove previously designed elements, but the user is prompted to choose whether to delete them or leave them intact. This allows the user to progress their design while still keeping the existing elements in place. If the user selects to leave the existing elements, then they will remain in the same slots. If GMPLS nodes are used, the existing slots cannot change as they are controlled by another manager (GMRE).

NEW QUESTION # 34
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