类病毒
You are provisioning a DS-1 circuit on an ONS 15454 UPSR configuration and XC-10G card. How many total VT ports are used within the VT matrix at the source node?（） ["0","1","2","3","4"]
具有通气、增温、保墒、促进根系发育作用的田间管理措施是（）。 ["蹲苗","搭架","中耕","打杈"]
Which two features of RMAN would must likely influence your decision to incorporate RMAN into your backup and recover strategy， if your most important requirement is to reduce the time ofrecovery？（） ["RMAN’s powerful command language.","RMAN backups can be parallelized.","RMAN allows for incremental block-level backups.","RMAN backup， restore， and recovery scripts can be stored."]
扩散
数据的存储结构可以用（）存贮方式和（）存贮方式。
