Which tasks can be accomplished using the DBMS_LOB. SETOPTIONS procedure?()
A、only encryption and compression settings for all SecureFile LOBs
B、only encryption and deduplication settings for only SecureFile CLOBs
C、deduplication, encryption, and compression settings for all SecureFile LOBs
D、deduplication, encryption, and compression settings only for SecureFile CLOBs
When running a Windows server, which option is used with the ping command to convert numerical addresses to host names?()
A、-r
B、-a
C、-v
D、-n
Windows7操作系统,包含以下多个版本()
AWindows7 Home Premium(家庭高级版)
BWindows7 Professional(专业版)
CWindows7 Ultimate(旗舰版)
DWindows7 sterter(简易版)
由我国自行设计、研制的世界上第1个全超导非圆截面托卡马克核聚变实验装置(EAST)2006年9月28日在进行首轮物理放电实验过程中,成功获得电流200千安、时间接近3秒的高温等离子体放电。EAST装置的关键部件均由中科院等离子体所的科技人员自主研发、加工、制造、组装、调试,全部达到或超过设计要求。
Which of the following server types performs the same function as the HOSTS file?()
A、FTP
B、DHCP
C、DNS
D、WINS
用计算机绘图时,一条竖直直线的起始点绝对坐标为(55,60),长度为20,终点在起点的下边,终点的相对极坐标为()。
A、@20<90
B、@20<-90
C、@80<0
D、@20<180