【简答题】(1)Please design a social research, listing in a systematic way, e.g, the introduction/background of your research, research question, the design section.
【判断题】when you design your lesson, you should design your question carfully especially with new teachers.
【单选题】Proper ______ design is just the first step in survey. A. questionnaire B. question C. commitment D. warranty
【单选题】主机A向主机B 发送一个(SYN=1,seq=11220)的TCP报文段,期望与主机B建立TCP连接,若主机B接受该连接请求,则主机B向主机A发送的正确的TCP报文段可能是( )
A.
SYN=0,ACK=0,seq=11221,ack=11221
B.
SYN=1,ACK=1,seq=11220,ack=11220
C.
SYN=1,ACK=1,seq=11221,ack=11221
D.
SYN=0,ACK=0,seq=11220,ack=11220
【简答题】Use PICO model to design a research question about your interested topic or phenomenon. Descibe the topic or phenomenon. Design a question following PICO model.
【单选题】下面是关于计算机病毒的两种论断,1).计算机病毒也是一种程序,它在某些条件上激活,起干扰破坏作用,并能传染到其他程序中去;2).计算机病毒会破坏硬盘上的数据.
【判断题】同轴电缆只能传送数字信号,模拟信号要借用光纤才可以传输。
【单选题】以下IP地址属于C类IP地址的是那一个?
【简答题】计算机用的贱金属制的硬盘支架。该支架用于安装在微型机和服务器机箱中,起到固定硬盘驱动器的作用,已制成特定形状。