单项选择题
Which statement is true about terms in a policy?（）
A. A single term can be applied to a protocol or interface, independent of the policy B. Every policy must contain at least one term C. The name of a term is limited to five characters D. Terms are optional
单项选择题 By default, which character indicates the UNIX shell prompt?（）
单项选择题 Refering to the exhibit, which statement is correct?（）
多项选择题 Which two statements accurately describe a broadcast domain?（）
