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问题 单项选择题

某工商局任意改变了其所分属的营业执照中所确定的营业范围，从行政法理论上说，该工商局违反了行政行为效力的（）方面。

A.确定力

B.拘束力

C.执行力

D.公定力

答案

参考答案：A

单项选择题

Certificates are (16) documents attesting to the (17) 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 (18) someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a certificate also contains an (19) date, the name of the CA that issued the certificate, a serial number, and perhaps other information. Most importantly, it contains the digital (20) 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．signature

B．mark

C．stamp

D．hypertext
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问答题 简答题

简述汽车物流的组成。
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