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选择题 1、EDI业务所使用的翻译软件主要是用于( ) A、用户格式报文与平面文件之间的翻译 B、平面文件与EDI标准报文之间的翻译 c、用户格式报文与EDI标准报文之间的翻译 D、不同文字报文之间的翻译 2、适用于国内各社会团体及民间非赢利性组织二级域名是( A、.com B、.net C、.gov D、.org 3、数字签名通常所使用的加密密钥是( ) A、对称密钥 B、不对称密钥体系中的私人密钥 C、不对称密钥体系中的公开密钥 D、不对称密钥体系中的公钥和私钥均可 4、目前国际上进行网上购物所使用的支付工具主要是( ) A、电子信用卡 B、电子货币 C、电子支票 D、货币现钞
The translation software used in the multiple-choice question 1 and the EDI service is mainly used for () A. translation between the user format message and the flat file, translation between the flat file and the EDI standard message, and the user format message. Translation between EDI standard messages D. Translation between different text messages 2. Second-level domain names applicable to domestic social organizations and private non-profit organizations (A, .com B, .net C, .gov D , .org 3. The encryption keys normally used for digital signatures are () A, symmetric key B, private key C in asymmetric key hierarchy, public key D in asymmetric key hierarchy, asymmetry Public key and private key in the key system can be 4, the current international payment tools used for online shopping are mainly () A, electronic credit card B, electronic currency C, electronic check D, currency cash