题目内容
质量体系文件通常由三部分组成，包括质量手册、（）和作业指导书。
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局域网是当前计算机网络研究与应用物一个热点，而符合IEEE802．3标准的传统Ethemet应用最为广泛。它在物理层采用（）标准。
Rapid advances in computer and communication technologies have resulted in the (58) merger of these two fields. The lines have bluned among computing, switching, and digital transmission equipment, and the same digital techniques are being used for data, voice, and image transmission. Merging and evolving technologies, coupled with increasing demands for efficient and timely collection, processing, and (59) of information, are leading to the development of (60) that transmit and process all types of data. The ultimate goal of this evolution is something its proponents-some of the most powerful forces in the computing and telecommunications industries-call the (61) .The (61) will be a worldwide public telecommunications network that will deliver a wide variety of services. The (61) will be defined by the standardization of user interfaces, and will be implemented as a set of digital switches and paths supporting a broad range of traffic types and providing (62) processing services. Inpractice, there will be multiple networks, implemented within national boundaries, but from the user’s point of view there will be a single, uniformly accessible worldwide network. Rapid advances in computer and communication technologies have resulted in the（）merger of these two fields.
Internet的电子邮件、文件传输或Web访问总分别采用了（）、FTP和（）等协议。
PKICA体系采用非对称密匙体系，通过一个证书签发中心为每个用户和服务器颁发一个证书，之后用户和服务器、用户和用户之间通过证书相互验证对方的合法性，其标准是能否用CA中心的（）对个人证书和服务器证书进行解密，而CA中心的（）存在于公开的CA根证书里。
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