Which two external authentication methods are supported by the Junos OS for user authentication?（）

单项选择题What is the default export routing policy for RIP?（）

A. Accept all local routes
B. Accept all RIP routes
C. Accept no routes
D. Accept all direct routes

单项选择题What is the role of route preference?（）

A. It is used as a tie breaker when the same prefix is available through multiple sources
B. It is used to determine which routes to accept into the routing table
C. It is used to select the best route between multiple equal-cost paths
D. It is used to select which routing table to use for forwarding

单项选择题What is a valdi multicast MAC address?（）

A. 00:90:69:9F:EA:46
B. FF:FF:FF:FF:FF:FF
C. 01:00:5E:28:12:95
D. 99:99:99:99:99:99

多项选择题Which three functions are available under the Maintain tab of J-Web?（）

A. download and delete log files
B. view real-time statics of interfaces
C. reboot the system
D. view and add licenses
E. edit security settings

单项选择题Which command do you issue to upgrade the current software on Junos devices?（）

A. request system software replace
B. request system software install
C. request system software add
D. request system software upgrade