单项选择题
Refering to the exhibit, which statement is correct?（）
A. The packets have exceeded the time-to-live value B. There is a loop C. The asterisks indicate a response time out D. The asterisk indicate that the traceroute is completed
多项选择题 Which two statements accurately describe a broadcast domain?（）
单项选择题 What is an advantage of multiple software process running in the Junos OS?（）
多项选择题 What are two reasons why a route might be hidden?（）
