source code.
passwords.
lessons learned.
test results.
下列程序要求将source.txt文件中的字符，通过文件输入/输出流复制到另一个dest.txt文件中。请将程序补充完整。注意：不改动程序结构，不得增行或删行。import java.io.*;public class ex2{public static void main(String[] args) throws IOException{File inputFile;File outputFile;FileInputStream in;FileOutputStream out;int c;inputFile=new File("source.txt");utputFile=new File("dest.txt");in=new FileInputStream(inputFile);______(outputFile);while((c=in.read())!=-1)______;in.close();out.close();}}
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如下的代码段中，如果方法unsafe()正常运行，那么结果是( )。 public void example() { try { unsafe()； System.out.println("Testl")； }catch(SafeException e) { System.out.println("Test 2")； }finally{ System.out.println("Test 3')； } System.out.println("Test 4")； }A．Test 3 Test 4B．Test1 Test3 Test4C．Test1 Test3D．Test1 Test4
A network administrator repeatedly receives support calls about network issues. After investigating the issues, the administrator finds that the source NAT pool is running out of addresses.To be notified that the pool is close to exhaustion, what should the administrator configure?（）A. Use the pool-utilization-alarm raise-threshold under the security nat source stanza.B. Use a trap-group with a category of services under the SNMP stanza.C. Use an external script that will run a show command on the SRX Series device to see when the pool is close to exhaustion.D. Configure a syslog message to trigger a notification when the pool is close to exhaustion.
What kind of message does a PING send out to test connectivity?()A. ICMP echo requestB. Information interrupt requestC. Timestamp replyD. Source quenchE. None of the above
What are some general guidelines regarding the placement of access control lists?()A. You should place standard ACLS as close as possible to the source of traffic to be denied.B. You should place extended ACLS as close as possible to the source of traffic to be denied.C. You should place standard ACLS as close as possible to the destination of traffic to be denied.D. You should place extended ACLS should be places as close as possible to the destination of traffic to be denied.
The president proposed that we should bring the meeting to a close.A:stated B:said C:suggested D:announced
