At which layer of the OSI model is RSTP used to prevent loops?()
A、data link
B、network
C、physical
D、transport
A、data link
B、network
C、physical
D、transport
A、SALARY form at runtime. B、SALARY form at design time. C、COMMISSION form at runtime. D、COMMISSION form at design time.
A、Create a /var/adm/cron/at.allow file with no entries B、Create a /var/adm/cron/at.deny file with ’*’ as the only entry C、Create a /var/adm/at/at.deny file with ’ALL’ as the only entry D、Create a /var/adm/at/at.allow file with ’NONE’ as the only entry