A. Full
B. Disk imaging
C. Incremental
D. Tape backup
第1题:
若要对Data类中重载的加法运算符成员函数进行声明,下列选项中正确的是( )。
A) Data+(DatA) ;
B) Data operator+{Data};
C) Data+operator{Data};
D) operator+(Data,DatA) ;
A.
B.
C.
D.
第2题:
在有13个元素构成的有序表data[1..13]中,用折半查找(即二分查找,计算时向下取整)方式查找值等于data[8]的元素时,先后与(41)等元素进行了比较。
A.data[7]. data[6]. data[8]
B.data[7]. Data[8]
C.data[7]. data[10]. data[8]
D.data[7]. data[10]、data[9]. data[8]
第3题:
第4题:
Your network consists of a single Active Directory domain. You have two file servers named Server1 andServer2 that run Windows Server 2003 Service Pack 2 (SP2). Both servers have a shared folder named Data.You have a computer named Computer1 that runs Windows XP Professional Service Pack 3 (SP3).From Computer1, you view the properties of \\server1\data and discover a Previous Versions tab. FromComputer1, you view the properties of \\server2\data and discover that the Previous Versions tab is missing.You need to ensure that you can access previous versions of files from \\server2\data.What should you do? ()
A. On Server2, enable Shadow Copies for all volumes.
B. On Server2, create an Automated System Recovery (ASR) backup.
C. Assign your user account the Full Control share permission to \\server2\data.
D. On the Customize tab in the \\server2\data properties, click Restore Default.
第5题:
A.CNAI_DATA_DIR
B.CNAI_EXPORT_DIR
C.CNAI_IMPORT_DIR
D.CNAI_REPORT_FILE_DIR
第6题:
将数据库导入R语言后,可用()显示数据库结构,用()查看数据库行列数,用()查看每个变量的基本统计值。
A.str(data) summary(data) dim(data)
B.str(data) dim(data) summary(data)
C.dim(data) summary(data) str(data)
D.summary(data) dim(data) str(data)