下面哪个选项可以取消shutdown命令( )。 A: shutdown -c B: shutdown -x C: shutdown -u D: shutdown -n

SHUTDOWN的那种模式将等待用户完成他们没有提交的事务 A: SHUTDOWN IMMEDIATE B: SHUTDOWN TRANSACTIONAL C: SHUTDOWN NORMAL D: SHUTDOWN ABORT

Which three flow-control port states lead to enabled link flow control？ （） A:  Receive port： Enabled， Transmit port： Enabled B:  Receive port： Enabled， Transmit port： Desired C:  Receive port： Enabled， Transmit port： Disabled D:  Receive port： Disabled， Transmit port： Desired E:  Receive port： Desired， Transmit port： Desired

The port in which crew or passengers go on board the ship is called（）. A: port of call B: port of embarkation C: port of destination D: port of disembarkatio

服务器正常重新启动的命令是（）。 A: shutdown–y-i3–g0 B: shutdown–y-i4–g0 C: shutdown–y-i5–g0 D: shutdown–y-i6–g0

CIF should be followed by( )． A: port of transshipment B: port of destination C: port of call D: port of shipment

In CIF the risk passes at _______ while the costs are transferred at _________. A: port of shipment, place of destination B: port of shipment, port of destination C: port of destination, place of shipment D: port of destination, port of shipment

The term FOB should be followed by _________ A: port of importing B: port of shipment C: port of discharge D: port of origin

指定系统在1分钟后关机，需要使用（ ）命令。 A: shutdown -s B: shutdown -t C: shutdown -s -t 60 D: shutdown -a -t 60

【单选题】关闭数据库,那种是等待所有用户退出才关闭的。 A. shutdown immediate B. shutdown abort C. shutdown transactional D. shutdown normal