A new company has been given one public IP address. The comp

下面程序段的输出结果是 class Test{ public static void main(String args[]){ MyThread t=new MyThread()； t．displayOutput("t has been created))； t．start()； } } class MyThread extends Thread{ public void displayOutput(String s){ System．out．println(s)； } public void run(){ displayOutput(t is running．")； } }

A．t has been created．

B．t has been created． t is running．

C．t is running．

D．编译出错

A new company has been given one public IP address. The company employs 200 users requiring Internet access from the headquarters.Which of the following can be implemented to provide Internet access for all the employees?（）

A. Multicasting

B. Proxy server

C. NAT

D. Subnetting

下面程序段的输出结果是______。 class Test{ public static void main(String args[ ]){ MyThread t=new MyThread( )； t.displayOutput("t has been created")； t.start( )； } } class MyThread extends Thread{ public void display Output(String s){ System.out,println(s)； } public void run( ){ displayOutput("t is running")； } }

A．t has been created t is running

B．t has been created

C．t is running

D．编译错误

从下列的2道试题（试题五和试题六）中任选 1道解答。如果解答的试题数超过1道，则题号小的 1 道解答有效。

试题五（共15分）

阅读下列说明和C++代码，将应填入 （n） 处的字句写在答题纸的对应栏内。

【说明】

某公司的组织结构图如图5-1所示，现采用组合（Composition）设计模式来构造该公司的组织结构，得到如图5-2所示的类图。

其中 Company 为抽象类，定义了在组织结构图上添加（Add）和删除（Delete）分公司/办事处或者部门的方法接口。类ConcreteCompany表示具体的分公司或者办事处，分公司或办事处下可以设置不同的部门。类HRDepartment和 FinanceDepartment分别表示人力资源部和财务部。

【C++代码】

include <iostream>

include <list>

include <string>

using namespace std;

class Company { // 抽象类

protected:

string name;

public:

Company(string name) { （1） = name; }

（2） ; // 增加子公司、办事处或部门

（3） ; // 删除子公司、办事处或部门

};

class ConcreteCompany : public Company {

private:

list< （4） > children; // 存储子公司、办事处或部门

public:

ConcreteCompany(string name) : Company(name) { }

void Add(Company* c) { （5） .push_back(c); }

void Delete(Company* c) { （6） .remove(c); }

};

class HRDepartment : public Company {

public:

HRDepartment(string name) : Company(name) {} // 其它代码省略

};

class FinanceDepartment : public Company {

public:

FinanceDepartment(string name) : Company(name) {} // 其它代码省略

};

void main() {

ConcreteCompany *root = new ComcreteCompany("北京总公司");

root->Add(new HRDepartment("总公司人力资源部"));

root->Add(new FinanceDepartment("总公司财务部"));

ConcreteCompany *comp = new ConcreteCompany("上海分公司");

comp->Add(new HRDepartment("上海分公司人力资源部"));

comp->Add(new FinanceDepartment("上海分公司财务部"));

（7） ;

ConcreteCompany *comp1 = new ConcreteCompany("南京办事处");

comp1->Add(new HRDepartment("南京办事处人力资源部"));

comp1->Add(new FinanceDepartment("南京办事处财务部"));

（8） ; //其它代码省略

}

阅读下列说明和Java代码，将应填入(n)处的字句写在答题纸的对应栏内。

【说明】

某公司的组织结构图如图6-1所示，现采用组合(Composition)设计模式来设计，得到如图6-2所示的类图。

其中Company为抽象类，定义了在组织结构图上添加(Add)和删除(Delete)分公司／办事处或者部门的方法接口。类ConcreteCompany表示具体的分公司或者办事处，分公司或办事处下可以设置不同的部门。类HRDepartment和FinanceDepartment分别表示人力资源部和财务部。

【Java代码】

import Java．util．*j

(1) Company{

protected String name；

public Company(String name) { (2)=name；}

public abstract void Add(Company C)；／／增加子公司、办事处或部门

public abstract void Delete(Company C)；／／删除子公司、办事处或部门

}

class ConcreteCompany extends Company{

private List<(3) >children=new ArrayList<(4)>()；

／／存储子公司、办事处或部门

public ConcreteCompany(String name){super(name)；}

public void Add(Company c){(5)．add(c)；)

public void Delete(Company c){(6)．remove(c)；)

}

class HRDepartment extends Company{

public HRDepartment(String name){super(name)；}

／／其它代码省略

}

class FinanceDepartment extends Company{

public FinanceDepartment(String name){super(name)；)

／／其它代码省略

}

public class Test{

public static void main(String[]args){

ConcreteCompany root=new ConcreteCompany(“北京总公司”)；

root．Add(new HRDepartment(“总公司人力资源部”))；

root．Add(new FinanceDepartment(“总公司财务部”))；

ConcreteCompany comp=new ConcreteCompany(“上海分公司”)；

comp．Add(new HRDepartment(“上海分公司人力资源部”))；

comp．Add(new FinanceDepartment(“上海分公司财务部”))；

(7) ；

ConcreteCompany compl=new ConcreteCompany(“南京办事处”)；

compl．Add(new HRDepartment(“南京办事处人力资源部”))；

Compl．Add(new FinanceDepartment(“南京办事处财务部”)；

(8)； ／／其它代码省略

}

}

An administrator has just installed a new NIC into the server. The system POSTs fine and the NIC is recognized by the OS, but it does not receive an IP address. Which of the following is the MOST likely cause of this?（）

A. The NIC is not on the HCL.

B. The driver is incorrect on the server.

C. The patch cable has not been seated properly.

D. The NIC is not seated properly.

ALIBABA SEEKS TO RAISE BILLIONS IN IPO Investors in the United States are preparing for the first public sale of stock in the Chinese company Alibaba. The company sells goods________ linking buyers and sellers in the huge Chinese online market. Alibaba is expected to ________ its initial public offering, called an IPO, in September on the New York Stock Exchange. The total value of the company, based in Hangzhou, has been estimated at about $200 billion. Reports from Bloomberg News say Alibaba is offering investors a 12 percent ________ of the company. That would mean the company could raise ________ $20 billion dollars in the public stock sale. After the IPO, Alibaba could become one of the most ________ technology companies in the world. Apple, for example, has a market value of about $600 billion. Google is valued at about $390 billion and Microsoft is worth about $370 billion.