CCNP系列認(rèn)證CCNP(642-311)單項(xiàng)選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 Click the Exhibit button. Which type of multiplexer is shown in the exhibit?（）

2 You are installing a Cisco ONS 15454 in a service provider site. A DS3 cable is to be connected to a digital cross-connect system. What is the maximum distance allowed between the two?（）

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3 In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）

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4 What protocol enables Ethernet over SONET/SDH encapsulation interoperability between the G-series and ML-series Ethernet cards?（）

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5 Which is a legitimate bandwidth matched pair?（）

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