Which is the earliest line in the following code after which the object created on the line marked （0） will be a candidate for being garbage collected， assuming no compiler optimizations are done？ （） 
public class Q76a9 {  
static String f（） {  
String a = "hello"；  
String b = "bye"； // （0） 
 String c = b + "!"； // （1）  
String d = b；  b = a； // （2）  
d = a； // （3）  
return c； // （4）  }  
public static void main（String args[]） { 
 String msg = f（）；  
System.out.println（msg）； // （5） 
 }  
}  

Refer to the exhibit. Users from the Engineering VLAN complain that every time Business VLAN users have a network connectivity issue， the Engineering VLAN users usually have problems experiencing slow response or network connectivity problems. After troubleshooting， an unauthorized switch 2 was found. This unauthorized switch has been a regular problem， assuming the root bridge function under the spanning-tree domain and causing the Engineering VLAN to be unstable. Which three of these actions could be suggested to fix the problem？（）

All client computers in your network run Windows 7 Enterprise.   
You need to prevent all standard user accounts from running programs that are signed by a specific publisher.  
What should you do？（）

分析下列Java代码：  
class A { 
public static void main（String[] args）    {  
method（）；   }     
static void method（）    {     try    { 
System.out.println（"Hello"）；    System.exit（0）；    }   
finally   { 
System.out.println（"good-bye"）；  }   }    } 
编译运行后，输出结果是（）。  
  

Assuming that the serializeBanana2（） and the deserializeBanana2（） methods will correctly use Java serialization and given： 
import java.io.*； 
class Food {Food（） { System.out.print（”1”）； } } 
class Fruit extends Food implements Serializable { 
Fruit（） { System.out.print（”2”）； } } 
public class Banana2 extends Fruit { int size = 42； 
public static void main（String [] args） { 
Banana2 b = new Banana2（）； 
b.serializeBanana2（b）； // assume correct serialization 
b = b.deserializeBanana2（b）； // assume correct 
System.out.println（” restored “+ b.size + “ “）； } 
// more Banana2 methods 
} 
What is the result？（） 

Company.com has a four-node cluster （nodes ’A’， ’B’， ’C’， and ’D’）. The nodes are set up in  Resource group pairs. Node ’A’ falls over to Node ’B’， and Node ’C’ falls over to Node ’C’. During a maintenance windows， it was discovered that the six resource groups on Node ’A’ are too much to be adequately handled by Node ’B’. 
What could be done to better utilize the available resources during fallover？（）  

A customer wants to purchase an IBM System Storage DS8700 to support a high-performance database environment. 
Which technical solution gives the customer the best relationship between I/O performance at the machine’s backend vs. capacity installed in the machine（）

Given：  
11. static class A {  
12. void process（） throws Exception { throw new Exception（）； }  
13. }  
14. static class B extends A {  
15. void process（） { System.out.println（"B "）； }  
16. }  
17. public static void main（String[] args） {  
18. A a = new B（）；  
19. a.process（）；  
20. }  
What is the result？ （）

11. static class A { 
12. void process（） throws Exception { throw new Exception（）； } 
13. } 
14. static class B extends A { 
15. void process（） { System.out.println（”B”）； } 
16. } 
17. public static void main（String[] args） { 
18. new B（）.process（）； 
19. } 
What is the result？（） 

11. static classA { 
12. void process（） throws Exception { throw new Exception（）； } 
13. } 
14. static class B extends A { 
15. void process（） { System.out.println（”B “）； } 
16. } 
17. public static void main（String[] args） { 
18.A a=new B（）； 
19. a.process（）； 
20.} 
What is the result？（） 

11.classA { 
12. public void process（） { System.out.print（”A “）； } } 
13. class B extends A { 
14. public void process（） throws RuntimeException { 
15. super.process（）； 
16. if （true） throw new RuntimeException（）； 
17. System.out.print（“B”）； }} 
18. public static void main（String[] args） { 
19. try { （（A）new B（））.process（）； } 
20. catch （Exception e） { System.out.print（”Exception “）； } 
21. } 
What is the result？（） 

11.classa { 
12. public void process（） { System.out.print（”a，”）； } } 
13. class b extends a { 
14. public void process（） throws IOException { 
15. super.process（）； 
16. System.out.print（”b，”）； 
17. throw new IOException（）； 
18. } } 
19. public static void main（String[] args） { 
20. try { new b（）.process（）； } 
21. catch （IOException e） { System.out.println（”Exception”）； } } 
What is the result？（） 

在J2EE中，有如下代码在Servlet1.Java中   
Import javax.servlet.*；   
Import javax.servlet.http.*   
Import java.io.IOException；    
Import java.io.PrintWriter；   
Public class Servlet1 extends HttpServlet{ 
Public void init （） throw ServletException {}  
Public void service（HttpServletRequest request， 
HttpServletResponce response） throws ServletException，IOException{ 
PrintWriter out=response.getWriter（）；  
Out.println（“hello!”）； } } 
假如编译Servlet要具备的环境都已经建立好。现在用完全正确的命令编译该文件，对于以下成熟正确的是（）  

You add an Online Responder to an Online Responder Array.  
You need to ensure that the new Online Responder resolves synchronization conflicts for all members of  the Array.  
What should you do（）

Given：
11.String test = "Test A. Test B. Test C."；
12.// insert code here
13.String[] result = test.split（regex）；
Which regular expression， inserted at line 12，correctly splits test into "Test A"，"Test B"，and "Test C"？（）

Company.com has a non-IBM disk storage unit connected by two Fibre channel connections. The  Nodes have multiple connections to the storage device that allow load balancing. A failure with one Fibre adapter or connection will not be noticed by the application， but it needs to be addressed. 
How can HACMP help make this environment more robust？（）  

User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK，or any data definition language （DDL） command： 
SQL> SELECT job FROM emp 
2  WHERE job=’CLERK’ FOR UPDATE OF empno; 
SCOTT has opened another session to work with the database. Which three operations would wait when issued in SCOTT’s second session？（）

User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， or any data definition language （DDL） command： SQL> SELECT ename FROM emp 
2 WHERE job=’CLERK’ FOR UPDATE OF empno； 
SCOTT has opened another session to work with the database instance. 
Which three operations wouldwait when issued in SCOTT’s second session（）

int index = 1； 
boolean[] test = new Boolean[3]； 
boolean foo= test [index]；  
What is the result？（）  

Each of these vlans has one host each on its port SVI on vlan 1 - ip 192.168.1.11 with snm Switch B - 
Ports 3， 4 connected to ports 3 and 4 on Switch A 
Port 15 connected to Port on Router. 
Tasks to do 
1. Use non proprietary mode of aggregation with Switch B being the initiator -- Assumed use LACP with B being in Active mode 
2. Use non proprietary trunking and no negotiation -- Assumed use switchport mode trunk and switchport trunk encapsulation dot1q 
3. Restrict only to vlans needed 
-- Assumed either vtp pruning or allowed vlan list. vtp pruning command did not seem to work on the simulator so landed using allowed vlan list 
4. SVI on vlan 1 with some ip and subnet given 
5. Configure switch A so that nodes other side of Router C are accessible -- Assumed this to mean that on switch A default gatway has to be configured. 
6. Make switch B the root 
-- Could not get this to work. Exam hung when I tried the command spanning-tree vlan 1，21-23 priority 4096