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Nokia Advanced Optical Network Design

Last Update 5 days ago
Total Questions : 40

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Question # 1

Which ofthe following statements about Raman amplification is FALSE?

Options:

A.  

Amplification occurs along the fiber

B.  

Chromatic dispersion within the fiber is increased.

C.  

Flat gain can be achieved in any transmission band.

D.  

OSNR is improved compared to EDFAs permitting lingers spans

Discussion 0
Question # 2

Refer to the exhibit that shows a demand matrix, a network topology with candidate links (in thick bluelinesand dashed lines), the definednetwork in thick blue lines and the demand routing (colored numbers in the figure). Every link is 80 km long. Which of the following requirements is supported by this network design with the displayed demand routing?

Options:

A.  

1+1 protection

B.  

Minimum cost design

C.  

Minimum latency

D.  

Resilience against two link faults

Discussion 0
Question # 3

Which of the following statements about the management plane data Communications Network (DCN) is correct?

Options:

A.  

The management plane DCN uses in-band communication.

B.  

The management plane DCN can be connected to each NEs via OSS/OBS interface.

C.  

The management plane DCN can be connected to each NEs directly.

D.  

The management plane DCN enables direct communication between the NEs.

Discussion 0
Question # 4

Consider the above exhibit, which shows a WDM network map from EPT. A new trail at 10G needs to be created from Site1 to Site3. The design tool routes the trail through Site1 but the trail is evaluated as invalid due to insufficient OSNR margin. Among the following option, which is NOT effective for making the 10G trail valid?

Options:

A.  

Use a FEC with a lower code rate

B.  

Use 3R regeneration at Site2

C.  

Use a DCM at Site 2

D, Use a Raman amplifier at Site2

Discussion 0
Question # 5

Suppose that for a given number of buffer credits and for an given average FC frame size, the maximum FC link length is 50 km.

If the average FC frame size is doubled, which of the following is correct?

Options:

A.  

The throughput is halved.

B.  

Throughput is doubled.

C.  

The Throughput is the same,.

D.  

The buffer credits need to be adjusted to achieve the maximum throughput.

Discussion 0
Question # 6

Consider the exhibit. Which type of survivability mechanism is selected for this trail?

Options:

A.  

Source-based restoration.

B.  

Guaranteed restoration

C.  

Optical sub-network connection protection

D.  

Protection and restoration combined

Discussion 0
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