A. oplock
B. block lock
C. bit range lock
D. byte range lock
第1题:
在数据库的并发控制中,事务T若要更新记录Q,必须先执行操作______。
A.Lock_S(Q)
B.Lock_X(Q)
C.READ(Q)
D.WRITE(Q)
A.
B.
C.
D.
第2题:
服务器使用如下哪条语句发送数据有可能有乱码?()
A.response.getOutputStream().write(“中国”.getBytes(“utf-8”));#B.response.getWriter().write(“中国”);#C.CharacterEncoding(“utf-8”); response.setHeader(“Content-Type”,”text/html;charset=utf-8”); response.getWriter().write(“中国”);#D.response.setContentType(“text/html;charset=utf-8”); response.getWriter().write(“中国”);第3题:
【单选题】微信小程序中使用wx.getLocation()函数,参数的type属性一般使用?
A.gps
B.wgs84
C.wifi
D.gcj02
第4题:
You are the network administrator for Ezonexam.com.
You are planning to install 10 new Windows 2000 Server computers. Ezonexam has a tight production schedule that requires no changes be made to the Active Directory except during scheduled outages. You schedule the installations during an upcoming network outage which will occur betweenmidnight and 8:00 A.M.
You want to complete the installations before production begins in the morning.
What should you do?
A.Perform. the installations by using four floppy disks create with the Makebt32.exe utility.
B.Perform. the installations by using four floppy disks create with the Makeboot.exe utility.
C.Perform. the installations by using the Windows 2000 Installation compact disc.
D.Perform. the installations by using the Windows 2000 Installation compact disc and a floppy disk containing a Winnt.sif file.
第5题:
服务器使用如下哪条语句发送数据有可能有乱码()
A.response.getOutputStream().write(“中国”.getBytes(“utf-8”));#B.response.getWriter().write(“中国”);#C.response.setCharacterEncoding(“utf-8”);<br>response.setHeader(“Content-Type”,”text/html;charset=utf-8”); response.getWriter().write(“中国”);#D.response.setContentType(“text/html;charset=utf-8”); response.getWriter().write(“中国”);第6题:
假设有获取客户端浏览器信息对象变量b,以下哪一项操作可以输出客户端浏览器的操作平台信息()
A.Response.Write(b.Browser);
B.Response.Write(b.Type);
C.Response.Write(b.Version);
D.Response.Write(b.Platform);