Consider the exhibit shows the standard 8-step network design process. Suppose that you have used this process to design a Green filed network, which has been commissioned and is in operation. The customer now requests an extension to the network to accommodate more steps and traffic. Which steps are not required when designing such an extension?
A. The steps to befollowed depended on the requirement of the network extension.
B. Step (Define Network Architecture ) and Step 5( Evaluate Traffic Demandon Architecture)
C. Step 2(analyze Traffic Demand and Step 4 ( Define Network Topology)
D. Step2 (Analyze Available) and Step 8 (Analyze Cost).
正解:D
質問 2:
Which of the following statements about the recovery time for protection and restoration combined (PRC) is correct?
A. PRC has a recovery time that depends on the broken links.
B. PRC can be as fact as sub-network connection protection (SNCP)
C. PRC has a typical recovery time greater than 50 ms.
D. PRC is as fast as restoration mechanisms.
正解:D
質問 3:
Consider the exhibit that shows a link power budget diagram. Which of the following is represented at location 2?
A. Minimum attenuation
B. OSNR margin
C. Power range
D. System aging margin
正解:C
質問 4:
Which of the following best describes Flexgrid?
A. Flexgrid is defined on a frequency grid spacing based on ,multiples of 12.5 GHz.
B. Flexgrid is based on flexible amplification stages
C. Flexgrid uses flexible guardband that can take any spacing.
D. Flexgrid allows channel bandwidth central frequencies and guardband to take any value in the spectrum range.
正解:B
Komayuu -
4A0-255試験用のテキストです。試験合格しました。よかったです。ありがとうございました。