Nokia 4A0-255 Quiz 1 Topic 5 Questions 1-5

Question: 1

Consider the exhibit. Which of the following NE architectures is represented?

q1_4A0-255

ATOADm

B(Classic) ROADM

CC-F ROADM

DCDC-F ROADm

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Question: 2

Which if the following statements about Recovery Time Objective (RTO) and Recovery Point Object Point Objective (PRO) is FALSE?

ARTO/PRO define business continually requirements for data center.

BRTO/PRO defined the acceptable amount of data (in bits) that can be lost after a failure.

CData center mirroring has the most critical level of RTO.RPO among DC applications.

DTier data centers have stricter RTO/PRO requirements than Tire .

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Question: 3

What is guardband required for?

ATo reduce the impact of chromatic dispersion.

BTo properly use the available bandwidth of the fibers.

CTo enable each channel to support a higher modulation format.

DTo reduce non-linear impairments between coherent and non-coherent channels.

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Question: 4

Suppose there is a 40 Gbit/s signal which has a symbol rate of Gbaud/s. Which modulation format is being used?

AQPSK

BBPSK

C4QAM

DDP-QPSK

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Question: 5

Consider the exhibit showing the schematic for an NE in a deployed optical network. The traffic growth forecast is for the use of 40 channels in 3 years. The customer needs to reduce the space for the shelf. Among the following, which additional input is NOT necessary to meet these specific requirements?

q5_4A0-255

ARack size

BExpected traffic added-dropped at the site

CMean time to repair for the equipment

DPower supply

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Nokia 4A0-255 Quiz:1 Topic:5 Questions:1-5