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● 在 OSI 参考模型中,数据链路层处理的数据单位是 (64) 。

发布时间:2024-07-09

A.比特

B.帧

C.分组

D.报文

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    A.RAS

    B.HTTP

    C.IIS

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  • 3● 通过代理服务器使内部局域网中的客户机访问 Internet 时, (61) 不属于代理服务器的功能。

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  • 4● IEE802.3ae 10Gb/s 以太网标准支持的工作模式是 (60) 。

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  • 6● 在 OGSA 标准中定义了 (65) 的概念,它提供一组遵守特定的约定并定义明确的接口,是实体之间产生、管理和交换信息的机制。

    A.Object

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    A.personal

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  • 8● Certificates are (71) documents attesting to the (72) of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to (73) someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a certificate also contains an (74) date, the name of the CA that issued the Certificate, a serial number, and perhaps other information. Most importantly, it contains the digital (75) of the certificate issuer. The most widely accepted format for certificates is X.509 , thus, Certificates can be read or written by any application complying with X.509.

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