4A0-205 Practice Exam — Free Nokia Certification Prep

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68Practice Questions

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Question 1

Basics of optical network design

Which of the following are the main reasons for fiber attenuation?

A Refraction and reflection
B Scattering and absorption
C Chromatic dispersion (CD) and polarization mode dispersion (PMD)
D Small channel spacing

Question 2

Protection and restoration

Question 3

SWDM-based optical network management

Question 4

Protection and restoration

Question 5

Basics of SWDM nodes

Question 6

SWDM-based optical network management

Question 7

SWDM-based optical network management

Question 8

SWDM-based optical network management

Question 9

SWDM-based optical network management

Question 10

Protection and restoration

Question 11

Basics of network management system

Question 12

Introduction to WDM networks

Question 13

Basics of optical network design

Question 14

Basics of network management system

Question 15

Introduction to WDM networks

Question 16

Protection and restoration

Question 17

Basics of SWDM nodes

Question 18

Basics of network management system

Question 19

SWDM-based optical network management

Question 20

Basics of optical network design

Question 21

Basics of optical network design

Question 22

Introduction to WDM networks

Question 23

Basics of SWDM nodes

Question 24

Basics of SWDM nodes

Question 25

Basics of SWDM nodes

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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

What is the purpose of the NFM-T node synchronization?

A The partial or full node synchronization allows several entitles/items defined at node level to be retrieved into the NFM-T database (upload).
B The partial or full node synchronization allows several entities/items defined at NFM-T level to be written into the node database (download).
C The partial or full node synchronization allows several entities/items defined at EPT level to be retrieved into the NFM-T database (upload from design).
D The partial or full node synchronization allows several entities/items defined at NFM-T level to be exported into an XML file, to be used as input for EPT (download to design).

With reference to the image, where is the OPS card placed to provide the OMSP protection?

Question Image

A After the amplifiers
B Between the mux/demux and the amplifiers
C Between the transponders and the mux/demux
D Before the transponder, on the client side, towards the external device

Which statement is correct about node synchronization?

A Full synchronization retrieves the correlated alarms from me 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)

Question 6

SWDM-based optical network management

Question 7

SWDM-based optical network management

Question 8

SWDM-based optical network management

Question 9

SWDM-based optical network management

Question 10

Protection and restoration

Question 11

Basics of network management system

Question 12

Introduction to WDM networks

Question 13

Basics of optical network design

Question 14

Basics of network management system

Question 15

Introduction to WDM networks

Question 16

Protection and restoration

Question 17

Basics of SWDM nodes

Question 18

Basics of network management system

Question 19

SWDM-based optical network management

Question 20

Basics of optical network design

Question 21

Basics of optical network design

Question 22

Introduction to WDM networks

Question 23

Basics of SWDM nodes

Question 24

Basics of SWDM nodes

Question 25

Basics of SWDM nodes

How is it possible to check the activation status of GMRE on a node?

A The GMRE reachability can be tested via ping request from NFM-T
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 activation status is reflected on the color of the icon representing the node

How many PM bins can be stored, for each data collection point, on PSS systems?

A 120 x 15-min bins, 60 x 1-day bins and 1 raw bin.
B 200 x 15-min bins, 90 x 1-day bins and 1 raw bin.
C 4 x 15-min bins and 1 x 1-day bin.
D 33 x 15-min bins, 8 x 1-day bins and 1 raw bin.

A user needs to retrieve the active alarm list from a network element. Which command should be issued through an 1830 PSS CLI?

A alm
B display alarms
C show active alarms
D retrieve alarms

Which of the following statements about Wavelength Tracker monitoring points in CDC-F architecture is TRUE?

A Wavelength Tracker monitoring points are settled on ITL mux interfaces and on OTs line interfaces.
B Wavelength Tracker monitoring points are settled on IRDMxx line interfaces only.
C Wavelength Tracker monitoring points are settled on IRDMxx line interfaces and on CWR CLS interfaces.
D Wavelength Tracker monitoring points are settled on IRDMxx and OTs line interfaces.

Which of the following statements best describes the definition of PCT?

A A tool supporting nodes' automatic provisioning on NFM-T.
B A tool to validate internal fiber connectivity on CDC-F 2.0 nodes.
C A tool supporting zero-touch power management on PSS-32 equipment.
D A tool supporting external links autodiscovery on NFM-T.

What is the purpose of the NFM-T deploy menu?

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

Which of the following statements is true?

A Logs report both active and historical events.
B Alarms and conditions report a real time status of the node.
C Alarms and conditions report only historical status of the node.
D Logs report a real time status of the node.

Where can the user set the long-haul WT decoder parameter, when designing a network with EPT?

A In the network parameters
B In the optimization parameters
C In the NE parameters
D In the audit menu

Which sentence about NFM-T is correct?

A NFM-T fully supports L0, L1, L2 and GMPLS applications and it is mainly focused on 1830 PSS, as well as other older product families
B NFM-T fully supports optical and IP nodes
C NFM-T is used to design and manage optical networks
D NFM-T is used to provision optical services having IP nodes as extremities

What is the meaning of first, second, and third window in the optical fiber propagation context?

A These windows correspond to three different minimum and maximum optical power levels used for optical transmission.
B These windows are three different wavelength intervals where the WDM optical transmission occurs.
C These three windows are three different angles of incidence of the light injected by the laser into the fiber.
D Different optical transmission windows correspond to different safety requirements and rules for the related lasers operating with these windows.

Which of the following is an example of optical protection mechanism?

A Optical regeneration (e.g., back-to-back regeneration)
B O-SNCP (e.g., via Y-cable or OPS card)
C GMPLS-enabled SBR
D GR and SBR combined

Is it possible to mix PSS-24x and PSS-8x shelves in an SWDM configuration?

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

Which macro steps can be executed via CPB?

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

How are the EPT systems related to NFM-T when CPB is performed?

A The systems are not reported on CPB, as this is transparent to the user and the whole network is validated and provisioned in one step
B The systems are displayed on the CPB panel, however they cannot be individually selected as they need to run all together
C The systems are displayed on the CPB panel and they can be individually selected
D The systems are not reported on CPB, but only through the Equipment Manager

With reference to the power budget, what is the meaning of receiver dynamic range?

A It is the minimum power to be received for a given BER.
B It is the range between the receiver overload power and its sensitivity.
C It is the range between the maximum transmit power and the minimum transmit power.
D It is the maximum receiver power to prevent an overload.

What is the main function of an optical amplifier?

A Demodulating the incoming signal
B Compensating for optical power attenuation
C Compensating for chromatic dispersion
D Compensating for attenuation through an optical-electrical-optical amplification

Which of the following statements about coherent transmission in WDM technology is TRUE?

A Coherent systems need carrier phase information at the receiver.
B Only multi-mode fibers can be used with coherent transmissions.
C The channel allocation is flexible, according to the channel size of the signals.
D At each receiver, a dispersion compensation unit is often necessary, depending on the fiber length.

Which of the following statements about Optical Add/Drop Multiplexers (OADMs) is FALSE?

A OADMs allow the user to terminate specific services through transponders.
B OADMs allow the user to pass-through specific services at the wavelength optical level (express channels).
C OADMs always require O-E-O conversion when passing-through optical channels.
D There are two main general classes of OADMs: FOADMs and ROADMs.

What is the block that converts the colorless (or black and white) client signal to a specific optical channel in a WDM system?

A Wavelength router (WR)
B Optical transponder (OT)
C Static filter device (SFD)
D Dispersion compensation module (DCM)

What is the function of the express channel interface?

A It enables the high speed route for all channels passing through that interface.
B It drops high capacity channels in the local node.
C It passes all the channels not terminated in the local node through the downstream node.
D It enables the high speed route for all channels terminated in the local node.

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