An administrator needs to configure a server （192.168.22.22） as a temporary solution for an NTP master that has stopped working. What is the process for configuring the NTP master？（） Edit the /etc/ntp.conf file changing the server line to ’server 127.127.1.0’ and add the line ’fudge 127.127.1.0 stratum 0’， and then refresh the daemon.。 Edit the /etc/ntp.conf file changing the server line to ’server 127.127.1.0’ and add the line ’master 127.127.1.0 stratum 0’， and then refresh the daemon.。 Edit the /etc/ntp.conf file changing the server line to ’server 192.168.22.22’ and add the line ’fudge 192.168.22.22 stratum 0’， and then refresh the daemon.。 Edit the /etc/ntp.conf file changing the server line to ’server 192.168.22.22’ and add the line ’master 192.168.22.22 stratum 0’， and then refresh the daemon.。
家庭的功能有哪些。
You are tuning RMAN to optimize performance.You want tape I/O to be asynchronous when you perform tape backups. Which action should you take?（） Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE。 Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE。 Use compression when performing tape backups。 Configure multiple SBT channel。
You own a table called EMPLOYEES with this table structure: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE DATE What happens when you execute this DELETE statement? DELETE employees; （） You get an error because of a primary key violation.。 The data and structure of the EMPLOYEES table are deleted.。 The data in the EMPLOYEES table is deleted but not the structure.。 You get an error because the statement is not syntactically correct.。
新经济政策与战时共产主义政策相比，主要“新”在（）。 国家控制了一切经济命脉。 建立了社会主义经济基础。 在一定限度内恢复了资本主义，发展了商品生产。 无产阶级掌握了政权。
You have a very large table that your users access frequently. Which of the following advisors will recommend any indexes to improve the performance of queries against this table?（）
