Files can be lost or destroyed accidentally．Keep (74) copies of all data on removable storage media．A．backupB．backC．blackD．backdown
Files can be lost or destroyed accidentally．Keep (74) copies of all data on removable storage media．
A．backup
B．back
C．black
D．backdown
相关考题：
Because Web servers are platform. and application(71)，they can send or request data from legacy or external application including database．All replies，once converted into(72)mark up language，can then be transmitted to a(73)．Used in this way，Intranets can(74)lower desktop support costs，easy links with legacy application and databases and，(75)all。ease of use．(74)A．coupledB．dependentC．independentD．related
●In low-speed network,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down．In high-speed networks, this approach often works poorly, because in the (71) between sending the notification and notification arriving at the source, thousands of additional (72) may arrive．In ATM network , a major tool for preventing (73) is (74) control．When a host wants a new virtual (75) ,it must describe the traffic to be offered and the service expected．(71) A．intervalB．timeC．slotD．delay(72) A．packetsB．cellsC．messageD．files(73) A．collisionB．congestionC．dropD．delay(74) A．flowB．admissionC．trafficD．time(75) A．pathB．routC．circuitD．way
______ in the strange city, the poor boy fell toA. Lost... cryingB. Lost... cryC. Having been lost... cryD. To lose... crying
The city has done away with all the factories in its centre.A:got rid of B:set upC:built D:destroyed
In low-speed network,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down.In high-speed networks,this approach often works poorly,because in the（71）between sending the notification and notification arriving at the source,thousands of additional（72）may arrive.In ATM network,a major tool for preventing（73）is（74）control.When a host wants a new virtual（75）,it must describe the traffic to be offered and the service expected.A.packetsB.cellsC.messageD.files
【单选题】使用文件存储数据时,文件存储在软件的（)目录下。A．/data/data/包名/files/B．/data/data//files/C．mnt/sdcard/包名/files/D．任意路径
【单选题】Android中把数据存储到SD卡对应的目录是（)A．/data/data/包名/files/B．/mnt/sdcard/files/C．/mnt/sdcardD．任意路径