Before performing a mksysb system backup, which of the following procedures should a system administrator perform to avoid backing up certain user files?()A.Add the list of files to /etc/exclude.rootvg.B.Modify the image.data file and add the files to be

题目
Before performing a mksysb system backup, which of the following procedures should a system administrator perform to avoid backing up certain user files?()

A.Add the list of files to /etc/exclude.rootvg.

B.Modify the image.data file and add the files to be excluded form the backup.

C.Modify the bosinst.data file and specify which files are to be excluded from the backup.

D.Specify the files to be excluded on the command line when executing the mksysb command.


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  • 第1题:

    JAVA File类执行下面这段程序为什么会出现异常 File file=new File(args[0]); 这句是什么意思??

    import java.io.*;

    import java.util.*;

    public class FileClass {

    /**

     * @param args

     */

    public static void main(String[] args) {

    // TODO Auto-generated method stub

    try{

    File file=new File(args[0]);

    System.out.println(args[0]+"文件");

    if(file.isFile()){

    //是否为文件

    System.out.print(file.canRead()?"可读":"不可读");

    System.out.print(file.canWrite()?"可写":"不可写");

    System.out.print(file.length()+"字节");//注意不能调用数组类型 File[] 的 length()例:File[] files=file.listFiles();不可以这么调用filess.length()

    }

    else{

    //列出所有文件及目录

    File[] files=file.listFiles();

    ArrayList<File> fileList=new ArrayList<File>();

    for(int i=0;i<files.length;i++){

    //先列出目录

    if(files[i].isDirectory()){

    //是否为目录

    //取得路径名

    System.out.println("路径"+"[  "+files[i].getPath()+"  ]");

    }

    else{

    //文件先存入fileList,待会再列出

    fileList.add(files[i]);

    }

    }

    //列出文件

    for(File f:fileList){

    System.out.println(f.toString());

    }

    System.out.println();

    }

    }

    catch(ArrayIndexOutOfBoundsException e){

    System.out.println("using:java FileDemo pathname");

    }

    }

    }

    结果:using:java FileDemo pathname

    是不是创建的对象所代表的文件没有被创建成功


     

    File file=new File(args[0]); 就是创建一个args[0]所指文件路径的文件对象。出现异常的原因是:你把args[0]作为文件路径,而你运行时又没有指定。

     

  • 第2题:

    注册表中保存系统设置的文件名称是( )。

    A.User. ini

    B.User. dat

    C.System. dat

    D.System. ini


    正确答案:C

  • 第3题:

    注册表中保存用户设置的文件名称是( )。

    A.User.ini

    B.User.dat

    C.System.dat

    D.System.ini


    正确答案:A

  • 第4题:

    注册表中保存系统设置的文件名称是( )。

    A.Usen.ini

    B.User.dat

    C.System.dat

    D.System.ini


    正确答案:C

  • 第5题:

    An administrator wants to restore the /etc/resolv.conf file from a mksysb backup onto server1. After the mksysb is mounted in /mnt/backup/ from the local nim server.Which command should be run to restore the file?()

    A.tar -xvf /mnt/backup/server1.mksysb ./etc/resolv.conf

    B.restore -Tvf /mnt/backup/server1.mksysb ./etc/resolv.conf

    C.listvgbackup -f /mnt/backup/server1.mksysb -r ./etc/resolv.conf

    D.restorevgfiles -xrm /mnt/backup/server1.mksysb ./etc/resolv.conf


    参考答案:C

  • 第6题:

    Windows2000从哪个文件中读取单个用户的桌面设置?()

    A.win.ini

    B.system.dat

    C.user.dat

    D.system.ini


    本题答案:C