First-grade Nokia 4A0-205 - Nokia Optical Networking Fundamentals Actual Questions

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Nokia 4A0-205 Exam Syllabus Topics:

Section	Objectives
Topic 1: Optical Network Architectures and Systems	- Performance and impairments 1. Chromatic dispersion and nonlinear effects 2. Noise and OSNR basics - Metro and long-haul optical networks 1. ROADM and switching principles 2. Network topology concepts
Topic 2: WDM and Optical Transport Technologies	- Wavelength Division Multiplexing (WDM) 1. CWDM vs DWDM principles 2. Channel spacing and grid concepts - Optical Transport Network (OTN) 1. OTN framing and multiplexing basics 2. Mapping and encapsulation concepts
Topic 3: Fundamentals of Optical Networking	- Optical fiber principles and transmission characteristics 1. Attenuation and dispersion concepts 2. Fiber types and structure 3. Optical signal behavior in fiber - Optical networking components 1. Transmitters and receivers 2. Optical amplifiers (EDFA) 3. Passive optical components (splitters, couplers)

Section

Objectives

Topic 1: Optical Network Architectures and Systems

- Performance and impairments

1. Chromatic dispersion and nonlinear effects
2. Noise and OSNR basics

- Metro and long-haul optical networks

1. ROADM and switching principles
2. Network topology concepts

Topic 2: WDM and Optical Transport Technologies

- Wavelength Division Multiplexing (WDM)

1. CWDM vs DWDM principles
2. Channel spacing and grid concepts

- Optical Transport Network (OTN)

1. OTN framing and multiplexing basics
2. Mapping and encapsulation concepts

Topic 3: Fundamentals of Optical Networking

- Optical fiber principles and transmission characteristics

1. Attenuation and dispersion concepts
2. Fiber types and structure
3. Optical signal behavior in fiber

- Optical networking components

1. Transmitters and receivers
2. Optical amplifiers (EDFA)
3. Passive optical components (splitters, couplers)

>> 4A0-205 Actual Questions <<

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Nokia Optical Networking Fundamentals Sample Questions (Q42-Q47):

NEW QUESTION # 42
What is the purpose of the NFM-T deploy menu?

A. It is used to create new network instances, such as physical connections, infrastructures and services.
B. It is used to import EPT files to deploy the network based on the EPT design.
C. It is used to deploy additional shelves to existing SWDM nodes.
D. It is used to deploy new operators (administrator, observers, and so on) to access the platform.

Answer: A

Explanation:
The NFM-T (Network Functions Manager - Transport), now part of the WaveSuite Network Operations Center (WS-NOC), is the centralized management system for Nokia's optical portfolio. The Deploy menu is the primary engine for operationalizing the network. Its fundamental purpose is to create and provision new network instances, which encompasses the lifecycle of the transport infrastructure.
Specifically, this menu allows operators to establish physical connections (fiber links between nodes), build out the infrastructure (defining the topology and node roles), and most importantly, provision services (such as ODUk or Optical Channel services). While the EPT (now WaveSuite Planner) designs the network, and those files can be used as a reference, the actual "birth" of a service in the live network-mapping it from the source transponder to the destination through the required ROADM degrees-is executed via the Deploy menu. It translates the high-level intent into specific cross-connect commands sent to the individual Network Elements (NEs), ensuring that the underlying hardware is correctly configured to carry client traffic.

NEW QUESTION # 43
Is it possible to mix PSS-24x and PSS-8x shelves In an SWDM configuration?

A. Yes, but the PSS-8X shelf must be configured as a master
B. No, as they are not compatible and cannot be used within the same node
C. Yes, as both can be equipped within the same node
D. Yes, but the PSS-24X shelf must be configured as a master

Answer: B

Explanation:
No, it is not possible to mix PSS-24x and PSS-8x shelves in an SWDM (Short Wavelength Division Multiplexing) configuration. The two shelves are not compatible, and cannot be used within the same node.

NEW QUESTION # 44
Which sentence about NFM-T is correct?

A. NFM-T is used to design and manage optical network
B. NFM-T is used to provision optical services having IP nodes as extremities
C. NFM-T fully supports optical and IP nodes
D. NFM-T fully supports LO, LI, L2 and GMPLS applications and it is mainly focused on 1830 PSS, as well as other older product families

Answer: B

Explanation:
NFM-T is a network management system designed to manage optical networks in a unified manner. It is used to design, manage, and provision optical services having IP nodes as extremities. It supports a variety of technologies, including optical and IP, and fully supports LO, LI, L2, and GMPLS applications. It is mainly focused on the Nokia 1830 PSS product family, as well as other older product families.

NEW QUESTION # 45
Which statement is correct about node synchronization?

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

Answer: B

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 # 46
WDM allows transmission systems to:

A. Transport multiple signals transparently, onto several wavelengths, all together over one single fiber
B. Allocate different signals to different time slots
C. Increase the bit rate of each client signal by spreading it over multiple wavelengths
D. Share a single signal among multiple fibers doing load balancing, and thus increasing the reliability of the optical transmission

Answer: A

Explanation:
WDM (Wavelength Division Multiplexing) allows transmission systems to transport multiple signals transparently, onto several wavelengths, all together over one single fiber. This allows for increased capacity, as many different signals can be transmitted at the same time and along the same fiber. Other advantages include improved signal integrity and reduced signal attenuation.

NEW QUESTION # 47
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