Which two authentication mechanisms provide weaker protection than other mechanisms？（） [" HTTP Basic Authentication"," Form Based Authentication"," HTTP Digest Authentication"," HTTPS Client Authenticatio"]
下列哪几项术语国际经济法的法律渊源（） ["国际经济条约","国际商业惯例","国内立法","联大规范性决议"]
由于证券的内在价值决定债券的流通价格，因此，债券的实际成交价格也就是债券的内在价值。
Which components of the UCS solution include beacon LEDs?（） ["monitors","fabric interconnect","blades","expansion modules","chassi"]
下列不属于字符格式化的操作是（）。 ["设置字体为斜体","插入文件","设置下划线","设置字体为宋体"]
按《证券法》规定，A股上市公司总股本不得少于（）人民币，B股上市公司个人持有的股票面值不得少于（）人民币。
