填空題if the single-channel transmission rate of a WDM system goes up to 2.5G or above, the phenomenon of ()will take place.

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1.多項(xiàng)選擇題下面關(guān)于系統(tǒng)的描述正確的是()

A.在32×2.5G系統(tǒng)中,單波傳送10G的業(yè)務(wù)是沒有任何問題的
B.在32×10G系統(tǒng)中,單波傳送2.5G的業(yè)務(wù)是沒有任何問題的
C.在32×10G系統(tǒng)中,可以實(shí)現(xiàn)單波2.5G和10G業(yè)務(wù)的混合傳輸
D.在設(shè)計(jì)32×10G系統(tǒng)時(shí),需要考慮線路光纖的類型

2.單項(xiàng)選擇題關(guān)于區(qū)域號說法正確的是:()

A.同區(qū)域號的網(wǎng)元用網(wǎng)線連接可以通訊
B.不同區(qū)域號的網(wǎng)元用網(wǎng)線連接可以通訊
C.同區(qū)域號的網(wǎng)元用網(wǎng)線連接不可以通訊
D.不同區(qū)域號的網(wǎng)元用網(wǎng)線連接不可以通訊

3.多項(xiàng)選擇題The WDM components making up a WDM system should meet the following requirements .()

A.插入損耗低 Low insertion loss
B.具有良好的帶通特性 Excellent bandpass property
C.溫度穩(wěn)定性好 Performance stability in spite of temperature change
D.復(fù)用通路數(shù)多A number of multiplexing channels
E.具有較高的分辨率 High resolution
F.幾何尺寸小 Small size

4.多項(xiàng)選擇題ZXMP M800 can be applied to a()channel system.

A.8
B.16
C.40
D.80

5.多項(xiàng)選擇題A ZXWM M900 system provides several wavelength stabilizing methods, including ().

A.內(nèi)置波長反饋方式 Built-in wavelength feedback
B.外置波長反饋方式 External wavelength feedback
C.自動(dòng)功率控制反饋方式 Automatic power control feedback
D.溫度控制反饋方式 Temperature control feedback