A
B
C
D
第1题：
Permanent magnetism is caused by ______.
A.operation of electrical equipment and generators on board ship
B.the earth's magnetic field affecting the ship's hard iron during construction
C.the horizontal component of the earth's magnetic field acting on the horizontal soft iron
D.the vertical component of the earth's magnetic field acting on the vertical soft iron
第2题：
Which of the following statements is NOT true?（）
第3题：
以下关于JavaBeans的说法中,错误的是()。
A.JavaBeans是基于JAVA语言的。
B.JavaBeans是JSP的内置对象之一。
C.JavaBeans是一种Java类。
D.JavaBeans是一个可重复使用的软件组件。
第4题：
以下关于JavaBeans的说法中，错误的是（）。
第5题：
which one of the following statements would lee include in an agent to limit the documents processed by the agent to those for which the value of the type field is "action"? （）
第6题：
Which of the following statements is NOT true?（）
AThe open field system provided a good opportunity to experiment.
BThe open field system wasted land.
CThe open field system was wasteful of labor and time.
DThe open field system made livestock farming difficult.
第7题：
Which two QoS classification and marking statements are true？ （）
第8题：
A. Create a custom sign-in page with specific instructions in the "Instructions" field.
B. Create a custom sign-in page with specific "Missing Certificate" messages in the "Custom error messages" field.
C. Create a custom sign-in policy with specific instructions in the "Instructions" field.
D. Create a custom sign-in notification and assign it to the "Pre-Auth Sign-in Notification" in the sign-in policy.
第9题：
A JavaBeans component has the following field： 11. private boolean enabled； Which two pairs of method declarations follow the JavaBeans standard for accessing this field？（）
第10题：
Which of the following is true about the MPLS header and its EXP field size？（）