Your network administrator has asked you to view the real-time interface usage on ge-0/0/0.Which command whould be used?（）

单项选择题What does the command show | compare rollback 1 display?（）

A. the difference between the current candidate configuration and the candidate configuration from one commit ago
B. the difference etween the current active configuration and the active configuration from the one commit ago
C. the difference between the current active configuration and the active configuration from one commit ago
D. the difference between the current candidate configuration and the archived configuration from one commit ago

单项选择题You have been assigned the 66.96.130.0 24 network and need to segment ito at least 60 subnets. Which network mask meets this requirement?（）

A. /27
B. /28
C. /29
D. /30

单项选择题What is a route filter?（）

A. a list of prefixes that can be configured in a poilcy
B. a single prefix that is configured separately and be referenced in a policy
C. a list of prefixes that is configured separately and can be referenced in a policy
D. a single prefix that can be configured within a policy

单项选择题What is the default SNMP permision level on Junos devices?（）

A. read
B. read-write
C. read-only
D. write

单项选择题Which command do you use to show active alarms?（）

A. show hadrware alarms
B. show system alarms
C. show chassis state
D. file list alarm