【单选题】请为下列问句选择正确的答案:Où est-ce qu’il travaille ?
B.
Non, il ne travaille pas.
C.
Il travaille à Hongkong.
D.
Elle travaille à Hongkong.
【简答题】Il travaille matin soir.
【简答题】A./dev/hosts B./dev/networks C./etc/hosts D./em/networks
【单选题】将光盘/DEv/hDC卸载的命令是()。
C.
umount/mnt/CDrom/DEv/hDC
D.
unmount/mnt/CDrom/DEv/hDC
【单选题】The Dev - 1 and Dev -3 routers are OSPF neighbors over the Ethernet 0/0 connection. Based on the show ip ospf neighbor output from the Dev - 1 and Dev - 3 routers, which statement is true?()
A.
Dev - 1 is the DR because it has a lower OSPF router ID
B.
Dev - 3 is the DR because it has a higher OSPF router priority
C.
Both Dev - 1 and Dev - 3 are using the def ault OSPF router priority
D.
Dev - 3 is the DR because it has a lower OSPF router ID
E.
Dev - 1 is the DR because it has a higher OSPF router priority
【判断题】在定位检测过程中应严格按照规范操作,防止误操作造成检测设备报警或者工作中断。
【单选题】Linux中第2个IDE接口硬盘可以表示为( )。
【单选题】-Il travaille à Paris ? -Oui, il ____________ travaille.
【简答题】假设在某程序的执行过程中,浮点操作时间占整个执行时间的 10% ,现希望对浮点操作加速。 ( 1 )设对浮点操作的加速比为 Sf 。画出程序总加速比 Sp 和 Sf 之间的关系曲线。 ( 2 )请问程序的最大加速比可达多少?