The ‘lsvg -o‘ command is run with an output of only rootvg, but the server has another volume group named datavg, which is notdisplayed.What is the likely cause?()A.datavg is in an offline state.B.‘lsvg -o‘ only displays the root volume group.C.‘lsvg -o‘

题目
The ‘lsvg -o‘ command is run with an output of only rootvg, but the server has another volume group named datavg, which is notdisplayed.What is the likely cause?()

A.datavg is in an offline state.

B.‘lsvg -o‘ only displays the root volume group.

C.‘lsvg -o‘ only displays the fist volume group.

D.datavg has no filesystems and therefore, is inactive.


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  • 第1题:

    阅读以下说明,回答问题1~4,将答案填入对应的解答栏内。

    某公司的域名为xyz.edu.cn,所使用的网络地址为222.78.68.0/24,共有两台服务器,一台IP地址是222.78.68.10,名字是server1,它用作域名服务器、电子邮件服务器,另一台IP地址是222.78.68.11,名字是server2,它用作Web服务器。

    下面是服务器server1中的三个文件。

    /etc/named.conf文件的内容:

    options {

    directory"/var/named";

    };

    zone"."IN {

    type (1) ;

    file"named.ca";

    };

    zone"0.0.127.in-addr.arpa"IN{

    type master;

    file"named.local";

    allow-update{none;};

    };

    zone"xyz.edu.cn"IN{

    type master;

    file"named.hosts";

    allow-update{none;};

    };

    zone"(2)"IN{

    type master;

    file"named.rev";

    allow-update{none;};

    };

    /var/named/named.hosts文件的内容:

    $TTL 86400

    @ IN SOA server1.xyz.edu.cn. root.xyz.edu.cn.(

    2001110600;serial

    28800;refresh

    14400;retry

    3600000;expire

    86400;minimum

    )

    IN NS server1.xyz.edu.cn.

    IN MS 10 server1.xyz.edu.cn.

    localhost.IN A 127.0.0.1

    server1 IN A 222.78.68.10

    server2 IN A 222.78.68.11

    WWW IN (3)

    /var/named/named.rev文件的内容:

    $TTL 86400

    @ IN SOA server1.xyz.edu.cn.root.xyz.edu.cn.(

    2001110600;serial

    28800;refresh

    14400;retry

    3600000;expire

    86400;minimum

    )

    IN NS xyz.edu.cn.

    10 IN (4)

    11 IN PTR server2.xyz.edu.cn.


    正确答案:(1)hint (2)68.78.222.in-addr.arpa (3)CNAME server2.xyz.edu.cn或者CNAME server2 (4)PTR serverl.xyz.edu.cn
    (1)hint (2)68.78.222.in-addr.arpa (3)CNAME server2.xyz.edu.cn或者CNAME server2 (4)PTR serverl.xyz.edu.cn 解析:不管是主域名服务器、辅助域名服务器还是缓存域名服务器,在根域名区声明时,类型type型必须为hint,即为一个区的高速缓冲文件,因此空(1)处应当填写“hint”。空(2)处所在位置是反向域名解析区声明,应当填写反向域名。反向域名由两部分组成,域名前半段是其网络ID反向书写,而区域后半段必须是“in-addr.arpa”。因此(2)处应当填写“68.78.222.in-addr.arpa”。空(3)处应当是定义一条别名记录。根据说明,该单位的www服务在server2上,即“www.xyz.edu.cn”和“server2.xyz.edu.cn”表示同一台主机,因此(3)处应当填写“IN CNAME server2.xyz.edu.cn.”,也可以只填写“CNAME server2”(注:若要填写“A 222.78.68.11”也可实现解析,但违背出题的初衷了)。空(4)处应当填写一条反向指针(PTR)资源记录,用来记录在反向搜索区域内的IP地址及主机,用户可通过该类型资源记录把IP地址映射成主机域名,此处应当填写“PTR serverl.xyz.edu.cn”。

  • 第2题:

    The‘lsvg-o’commandisrunwithanoutputofonlyrootvg,buttheserverhasanothervolumegroupnameddatavg,whichisnotdisplayed.Whatisthelikelycause?()

    A.datavgisinanofflinestate.

    B.‘lsvg-o’onlydisplaystherootvolumegroup.

    C.‘lsvg-o’onlydisplaysthefistvolumegroup.

    D.datavghasnofilesystemsandtherefore,isinactive.


    参考答案:A

  • 第3题:

    Youwanttodynamicallyassignuserstoan802.1QVLANasaresultoftheirauthentication.Inordertoaccomplishthis.WhichtwoIETFRADIUSattributesshouldyouconfigureontheCiscoSecureACS?()

    A.064Tunnel-Type

    B.066Tunnel-Client-Endpoint

    C.067Tunnel-Server-Endpoint

    D.081Tunnel-Private-Group-ID

    E.082Tunnel-Assignment-ID

    F.083Tunnel-Preference


    参考答案:A, D

  • 第4题:

    Which of the following is the correct command to list the filesystems in datavg?()

    A. lsvg -p datavg

    B. lsvg -l datavg

    C. lsvg -L datavg

    D. lsvg -o datavg


    参考答案:B

  • 第5题:

    AnOrganization2010has2MailboxServersnamedServer1andServer2.EachonehasMailboxDatabaseand1PublicFolderDatabase.AlluserscreatePublicFoldersonServer1only.YouneedtoensurethatalluserscreatePublicFolderonServer2only.Whatshouldyoudo?()

    A.MoveallMailboxestoServer2

    B.RemoveallPublicFolderreplicasfromServer1

    C.ModifypropertiesofbothMailboxDatabases

    D.ModifypropertiesofbothPublicFolderDatabases


    参考答案:D