Which of the following is a secure method of remote access via command line?()
A、RCP
B、Telnet
C、RSH
D、SSH
Which of the following is a secure method of remote access via command line?()
A、RCP
B、Telnet
C、RSH
D、SSH
通信机房内保持一定的相对湿度可以起到消除静电的作用。
A、对
B、错
Which of the following devices transmits timed broadcasts onto an active network?()
A、Bridge
B、Unmanaged switch
C、DHCP client
D、Firewal
The following output is generated when trying to obtain tickets from the Kerberos realm: # kinit user@SUB.DOMAIN.BIZ Password for user@SUB.DOMAIN.BIZ kinit(v5): Clock skew too great while getting initial credentials How can the problem be fixed? ()
Antpdate domaincontroller; hwclock -systohc
Bkinit -t
Ckillall -HUP krb5kdc
DModify the time_sync value in the kdc.conf file.
EModify the clockskew value in the krb5.conf file.
Which command(s) will result in the smallest sized backup of the text files contained in the /staticFS filesystem?()
A、tar -cvf file_system.tar /staticFS ; gzip file_system.tar
B、tar -xvf /staticFS file_system.tar ; gzip file_system.tar
C、tar -cvf /staticFS file_system.tar ; compress file_system.tar
D、tar -xvf file_system.tar /staticFS ; compress file_system.tar
机房空调的作用有哪些?