单项选择题
Which directory does the Junos OS use to store syslog information by default?（）
A. A/ar/messages B. A/ar/syslog C. /var/tmp D. /var/log
单项选择题 Which command do you use to navigate to [edit interfaces]?（）
单项选择题 What is an advantage of dynamic routing?（）
单项选择题 In the MAC address 00:90:69:9f.ea:46, what represents the Organizationally Unique Identifier (OUI)?（）
