70-536ChineseC++ Exam

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Exam : Microsoft 70-536ChineseC++
Title : TS:MS.NET Framework 2.0-Application Develop Foundation


1. 您正在创建一个类，用于比较经过特殊格式设置的字符串。默认的排序规则比较不适用。
您需要实现 IComparable<string> 接口。
您应该使用哪个代码段？
A. public class Person :IComparable<string>{
public int CompareTo(string other){
...
}
}
B. public class Person :IComparable<string>{
public int CompareTo(object other){
...
}
}
C. public class Person :IComparable<string>{
public bool CompareTo(string other){
...
}
}
D. public class Person :IComparable<string>{
public bool CompareTo(object other){
...
}
}
Answer: A

2. 您正在开发一个协助用户进行电子调查的应用程序。调查由 25 个对错判断题组成。
您需要执行下列任务：
·将每个答案预置为是。
·最大程度地减少每次调查使用的内存量。
您应该选择哪个存储选项？
A. BitVector32 answers = new BitVector32(1);
B. BitVector32 answers = new BitVector32(-1);
C. BitArray answers = new BitArray (1);
D. BitArray answers = new BitArray(-1);
Answer: B

3. 您正在编写自定义字典。该自定义字典类名为 MyDictionary。
您需要确保该字典是类型安全的字典。
您应该使用哪个代码段？
A. class MyDictionary :Dictionary<string, string>
B. class MyDictionary :HashTable
C. class MyDictionary :IDictionary
D. class MyDictionary { ...}
Dictionary<string, string> t =
new Dictionary<string, string>();
MyDictionary dictionary = (MyDictionary)t;
Answer: A

4. 您正在使用应用程序的调试版本。
您需要找出导致异常抛出的代码行。
您应使用 Exception 类的哪个属性来达到此目的？
A. Data
B. Message
C. StackTrace
D. Source
Answer: C

5. 您正在编写一个方法，该方法返回名为 al 的 ArrayList。
您需要确保以线程安全的方式对 ArrayList 执行更改。
您应该使用哪个代码段？
A. ArrayList al = new ArrayList();
lock (al.SyncRoot)
{
return al;
}
B. ArrayList al = new ArrayList();
lock (al.SyncRoot.GetType())
{
return al;
}
C. ArrayList al = new ArrayList();
Monitor.Enter(al);
Monitor.Exit(al);
return al;
D. ArrayList al = new ArrayList();
ArrayList sync_al = ArrayList.Synchronized(al);
return sync_al;
Answer: D