单项选择题
A. A system log message is generated, confirmed the transfer attempt
B. The destination filename format can be altered by configuration
C. The frequency the system archives the configuration cannot be changed
D. An archive log is created to track transfer attempts both failed and successfull
多项选择题 You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?（）
单项选择题 Referring to the exhibit, which type of classifier is being used in the CoS configuration?（）
单项选择题 By default if equal-cost paths exists for the same destination, which action will the router take?（）