四级四级网络工程师网络工程师全真模拟试卷(四)上午试题
题目内容

(72).is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.<br class="bogusBR">(73).is an approach preferred by cable TV providers .In this solution the fiber terminates at an optoelectrical  converter and the final segment is a shared coaxial cable.<br class="bogusBR">(74).is a device used to connect two separate network that use different communication protocol.<br class="bogusBR">(75).is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.

2024-07-10

A.MD

B.RSA

C.DES

D.MIB

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