Which user authenticaton method is supported by the Junos OS as the last resort alternative?（）

单项选择题Using the command user@router# load override lastest.conf where in the file system will the lastest.conf be located?（）

A. /var/home/user
B. /var/config/save0/
C. /var/tmp
D. /config

多项选择题Which three steps are parts of the root password recovery process?（）

A. Reboot the device
B. Run the recovery script
C. Reset the root password
D. Reset the user passwords
E. Load factory-default configuration

单项选择题What are the usable host on the 96.6.128.0 19 network?（）

A. 96.6.128.1 through 96.6.143.254
B. 96.6.128.128 through 96.6.134.254
C. 96.6.128.0 through 96.6.134.254
D. 96.6.128.1 through 96.6.159.254

多项选择题Which two statements are true regarding trace options on Junos devices?（）

A. You can see the contents of the log file by entering the show log <filename> command
B. Trace options will send information to your screen automatically
C. Trace options are limited to one protocol at a time
D. The file name and set of flags may be specified when enabling trace options

单项选择题You must segement your internal 192.168.1.0 24 network into a minimun of 12 subnet, each containing a minimun of 12 hosts. Which network mask do you use?（）

A. /26
B. /27
C. /28
D. /29