题目内容
配置VLAN有多种方法，下面（）不是配置VLAN的方法。
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Ravi,like many project__(1)__,had studied the waterfall model of software development as the primary software life-cycle__(2)__.He was all set to use it for an upcoming project,his first assignment.However,Ravi found that the waterfall model could not be used because the customer wanted the software delivered in stages,something that implied that the system had to be delivered and built in__(3)__and not as__(4)__. The situation in many other projects is not very different.The real world rarely presents a problem in which a standard process,or the process used in a previous project,is the best choice.To be the most suitable,an existing process must be__(5)__to the new problem.A development process,even after tailoring,generally cannot handle change requests.To accommodate change requests without losing control of the project,you must supplement the development process with a requirement change management process. 空白（5）处应选择（）
MPEG-1的视频图像序列由帧内图像、预测图像和（1）构成，其中（2）的数据量最少。MPEG1视频编码的运动补偿是基于（3）的宏块进行的，图像的DCT编码是在（4）颜色空间进行的。 空白（2）处应选择（）
某医院管理系统部分关系模式为：科室（科室号，科室名，负责人，电话）、病患（病历号，姓名，住址，联系电话）和职工（职工号，职工姓名，科室号，职位，住址，联系电话）。假设每个科室有一位负责人和一部电话，每个科室有若干名职工，一名职工只属于一个科室；一个医生可以为多个病患看病；一个病患可以由多个医生多次诊治；职位有医生、护士和其他。a.科室和职工的所属联系类型是__（1）__，病患和医生的就诊联系类型是__（2）__。科室关系的主键和外键分别为__（3）__。对于就诊联系最合理的设计是__（4）__，就诊关系的主键是__（5）__。 空白（1）处应选择（）
CIF视频格式的图像分辨率为（）
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