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？ （）

• A、 ntpdate domaincontroller； hwclock -systohc  
• B、 kinit -t  
• C、 killall -HUP krb5kdc  
• D、 Modify the time_sync value in the kdc.conf file.  
• E、 Modify the clockskew value in the krb5.conf file.