Which of the following are the main reasons for fiber attenuation?
A. Small channel spacing
B. Refraction and reflection
C. Scattering and absorption
D. Chromatic dispersion (CD) and polarization mode dispersion
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
What is a trail?
A. A link between end points to increase the power budget of the optical link
B. A transparent transport of a client signal
C. An entity to encapsulate a low order signal into a high order container
D. A physical link between two optical amplifiers
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
With reference to the image, where is the OPS card placed to provide the OMSP protection?

A. Before the transponder, on the client side, towards the external device
B. Between the mux/demux and the amplifier
C. Between the transponders and the mux/demux
D. After the amplifiers
正解:A
質問 4:
What is a degree-1 node?
A. A node with only one direction and therefore a terminal node
B. A node with only east and west sides without directions towards north and south
C. A node with only one express channel and therefore made of two sides
D. A node with one direction only and therefore used as In-Line-Amplifier (ILA)
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
Asano -
本書は4A0-205になじみのないかたでも理解しやすいように、身近なところから順番に学習できるようになっている点も良い点です。