A. var configB. var queueC. var transfer queueD. var tr……

多项选择题Which three statements are true regarding the Network Time Protocol (NTP) in JUNOS platforms?（）

A.MD5 authentication is supported.
B.A client always synchronizes to a server even when the difference between the server clock and the local clock differs by a large amount.
C.JUNOS software can provide a primary time reference.
D.The boot-server configuration allows a router to synchronize its clock when it boots up, regardless of the offset between the NTP clock source and its internal clock.
E.It is useful to correlate timestamps on log files and other events for troubleshooting and forensics.

单项选择题You delete a trace options file and later notice that no new entries are being written to this file. What would allow the entries to be written to the file again?（）

A.Issue a commit of the current configuration.
B.Issue a commit full of the current configuration.
C.Issue a commit all of the current configuration.
D.Issue a commit confirmed of the current configuration.

单项选择题What is the default local location for syslog and trace files?（）

A./log
B./home/log
C./var/log
D./etc/log

单项选择题What is the primary syslog file?（）

A./var/syslog-file
B./var/syslog
C./var/log/messages
D./log-file

多项选择题Which two statements about login classes correctly define their usage within the JUNOS software?（）

A.A different login class must be configured for each user.
B.Individual commands can be explicitly allowed or denied.
C.A user must be assigned to one of the default login classes.
D.Each login class is associated with one or more permissions flags.