先行策略
The server host1 has been set up as a backup system with the following /etc/exports：/backups -rw. How can a second server regularly use this disk space？（） /usr/sbin/mkfs -s 8G -o nbpi=2048，frag=512 /dev/lv00 -b -l host1。 /usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg。 /usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g。 /usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00。
锅炉DCS系统是指（）。
Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about the SQL statement? （） It releases the storage space used by the table.。 It does not release the storage space used by the table.。 You can roll back the deletion of rows after the statement executes.。 You can NOT roll back the deletion of rows after the statement executes.。 An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.。 You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table。
拆除施工尘土较大时，没有采取洒水降尘的措施，容易导致对周围空气造成（）。 职业病。 物体打击。 中毒。 扬尘污染。
监理实施细则应由（）编制，经总监理工程师批准，在工程开工前完成，并报建设单位核备。
