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Certificates are(71)documents attesting
Certificates are(71)documents attesting
练习题库
2022-08-02
69
问题
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.A.connectingB.bindingC.composingD.conducting
选项
A.connecting
B.binding
C.composing
D.conducting
答案
B
解析
数字认证是一种证明个人或其他机构
拥有
某一公开密钥的
数字
文件。数字认证用于确定某一给定的公钥是否确实属于某个人或某个机构。数字认证有助于防止有人
假冒
别人的秘钥。形式最简单的数字认证包含一个公钥和一个用户名。通常,数字认证还包括
有效期
,发证机关名称,序列号,也许还包含其他信息。最重要的是,它包含了发证机关的数字
签名
。最普遍公认的数字认证标准是X.509国际标准,任何遵循X.509的应用程序都能读写遵循X.509标准的数字认证。
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本试题收录于:
中级 信息安全工程师题库软件水平考试初中高级分类
中级 信息安全工程师
软件水平考试初中高级
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