The data on datavg is inaccessible. Using "df" the user discovers that none of the datavg filesystems are mounted. Running "lsvg" shows only rootvg. Running "importvg -y" gives the following error: "056-056 volume cannot be varied on because pv is marked 

题目

The data on datavg is inaccessible. Using "df" the user discovers that none of the datavg filesystems are mounted. Running "lsvg" shows only rootvg. Running "importvg -y" gives the following error: "056-056 volume cannot be varied on because pv is marked missing". Which of the following steps should be performed?()

  • A、Run cfgmgr. 
  • B、Run synclvodm. 
  • C、Look in errorlog for hardware problems. 
  • D、Boot into service mode and run fsck on filesystems.

相似考题
更多“The data on da”相关问题
  • 第1题:

    若要对Date类中重载的加法运算符成员函数进行声明,下列选项中正确的是( )。

    A.Data+{Data};

    B.Dataoperator+{Data};

    C.Data+operator{Data};

    D.operator+{Data.Data};


    正确答案:B
    B。【解析】重载运算符的函数一般格式如为:函数类型0perator运算符名称(形参列表),因此选8。

  • 第2题:

    若有以下程序:includeusing namespace std;class data{public:int x;data(int x){ da

    若有以下程序: #include<iostream> using namespace std; class data { public: int x; data(int x) { data::x=x; } }; class A { private: data d1; public: A(int x):d1(x){} void dispa() { cout<<d1.X<<","; } }; classB:public A { private: data d2; public: B(int x):A(x-1),d2(x){} void dispb() { cout<<d2.x<<end1; } }; class C:public B { public: C(int x):B(x-1){} void disp() { dispa(); dispb(); } }; int main() { C obj(5); obj.disp(); return 0; } 程序执行后的输出结果是

    A.5,5

    B.4,5

    C.3,4

    D.4,3


    正确答案:C
    解析:本题考核派生类的定义和访问权限。本题涉及多层次的继承关系。类B是类A的派生类,类C又是类B的派生类。类C中的构造函数调用了类B的构造函数来初始化类B的私有数据成员,而类B的构造函数又调用了类A的构造函数来初始化类A的私有数据成员。由此可知,程序最后的输出为3,4。

  • 第3题:

    访问应用文件目录下的文件”其中的目录是什么?()

    • A、/data/<应用包名>/files
    • B、/data/data/<应用包名>/file
    • C、/data/data/<应用包名>/files
    • D、/data/data/files

    正确答案:C

  • 第4题:

    A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?()

    • A、Data, Frame, Packet, Segment, Bit
    • B、Data, Frame, Segment, Packet, Bit
    • C、Data, Packet, Frame, Segment, Bit
    • D、Data, Packet, Segment, Frame, Bit
    • E、Data, Segment, Frame, Packet, Bit
    • F、Data, Segment, Packet, Frame, Bit

    正确答案:F

  • 第5题:

    Why is a data source required?()

    • A、 Data source contains data required for impact event enrichment.
    • B、 Data source contains data required for calculating server downtime.
    • C、 Data source contains data required for services and other related service information.
    • D、 Data source contains data required for LDAP configurations, including login attempts and errors.

    正确答案:C

  • 第6题:

    在语音交换系统中有DA电话的概念,DA是()的缩写。

    • A、Data Address
    • B、Digital Address
    • C、Direct Address
    • D、Direct Answer

    正确答案:C

  • 第7题:

    单选题
    What is a "system high" security policy?什么是一个“系统高”的安全策略?()
    A

    A system where all users are cleared to view the most highly classified data on the system.系统上的所有用户被许可查看最高级别的数据

    B

    A system that contains only data of one security classification.只包含一个安全级别的数据

    C

    A system with data that contains only data of the highest security classification.只包含最高安全级别的数据

    D

    A system that uses a Multi-Level Security Policy to separate the highly classified data from the other data residing on the system.使用多级安全策略去划分高级别数据和其他数据。


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    访问应用文件目录下的文件”其中的目录是什么?()
    A

    /data/<应用包名>/files

    B

    /data/data/<应用包名>/file

    C

    /data/data/<应用包名>/files

    D

    /data/data/files


    正确答案: B
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements correctly describe the relation between a data file and the logical databasestructures()
    A

    An extent cannot spread across data files.

    B

    A segment cannot spread across data files.

    C

    A data file can belong to only one tablespace.

    D

    A data file can have only one segment created in it.

    E

    A data block can spread across multiple data files as it can consist of multiple operating system (OS) blocks.


    正确答案: D,E
    解析: 暂无解析

  • 第10题:

    单选题
    DATA SEGMENT DA1 DB 30 DUP(?) DA2 DW 1456H,789AH DA3 DW DA2 DATA ENDS ┇ ┇ MOV BX,DA3 上述指令执行后,BX中的内容是()。
    A

    30

    B

    31

    C

    32

    D

    21H


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Why is a data source required?()
    A

     Data source contains data required for impact event enrichment.

    B

     Data source contains data required for calculating server downtime.

    C

     Data source contains data required for services and other related service information.

    D

     Data source contains data required for LDAP configurations, including login attempts and errors.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    多选题
    In which of the scenarios will the DBA perform recovery()
    A

    The alert log file is corrupted.

    B

    A tablespace is accidentally dropped.

    C

    One of the redo log members is corrupted.

    D

    A database user terminates the session abnormally.

    E

    The hard disk on which the data file is stored is corrupted.


    正确答案: B,D
    解析: 暂无解析

  • 第13题:

    若要对Data类中重载的加法运算符成员函数进行声明,下列选项中正确的是( )。 A.Data+(DatA.;SXB

    若要对Data类中重载的加法运算符成员函数进行声明,下列选项中正确的是( )。

    A.Data+(DatA.;

    B.Data operator+(DatA.;

    C.Data+operator(DatA.;

    D.operator+(Data,DatA.;


    正确答案:B
    根据重载加法运算符的格式,只有B选项正确。

  • 第14题:

    在有13个元素构成的有序表data[1..13]中,用折半查找(即二分查找,计算时向下取整)方式查找值等于data[8]的元素时,先后与(41)等元素进行了比较。

    A.data[7]. data[6]. data[8]

    B.data[7]. Data[8]

    C.data[7]. data[10]. data[8]

    D.data[7]. data[10]、data[9]. data[8]


    正确答案:C
    本题考查数据结构基础知识。在二分查找(即折半查找)过程中,令处于中间位置记录的关键字和给定值比较,若相等,则查找成功:若不等,则缩小范围,直至新的查找区间中间位置记录的关键字等于给定值或者查找区间没有元素时(表明查找不成功)为止。在有13个元素构成的有序表data[1..13]中进行二分查找的过程如下图所示(计算中间元素位置时向下取整,结点中的数字为元素的下标或序号),从中可以看出,查找元素data[8]时,需与data[7]、data[10]、data[8]等元素比较。

  • 第15题:

    UDC是()的缩写

    • A、User Data Convergence
    • B、User Data center
    • C、User Data Concept
    • D、User Data carrier

    正确答案:A

  • 第16题:

    Which of the following is a distinguishing factor between data archiving and data backups?()

    • A、Data archives are kept for disaster recovery purposes while data backups are kept for indefiniteperiods of time so that there is an information record.
    • B、Data archives are kept for documentation purposes to easily recover data while data backupsare kept for immediate server recovery.
    • C、Data archives are kept off-site for data warehousing purposes while data backups are keptlocally for immediate server recovery purposes.
    • D、Data archives are kept for indefinite periods of time so there is a record while data backups arekept for disaster recovery purposes.

    正确答案:D

  • 第17题:

    在语音通信交换系统中有DA电话的概念,DA的全称是()。

    • A、Data Access
    • B、Digital Access
    • C、Direct Access
    • D、Direct Answer

    正确答案:C

  • 第18题:

    单选题
    Which of the following statements is TRUE about mounting a file system?()
    A

    A file system cannot be mounted on a directory containing data.

    B

    Mounting a file system on a mount point containing data will delete the data.

    C

    Mounting a file system on a amount point containing data will make the data temporarily inaccessible.

    D

    A systems administrator must manually create an empty directory prior to mounting an AIX JFS.


    正确答案: C
    解析: 暂无解析

  • 第19题:

    多选题
    Which two characteristics are most typical of a SAN? ()
    A

    NICs are used for network connectivity.

    B

    Servers request specific blocks of data.

    C

    Storage devices are directly connected to servers.

    D

    A fabric is used as the hardware for connecting servers to storage devices.

    E

    The TCO is higher because of the cost of director class storage switches.


    正确答案: A,D
    解析: 暂无解析

  • 第20题:

    多选题
    Which three IP multicast group concepts are true? (Choose three.) ()
    A

    If a packet is sent to a multicast group address, all members of the multicast group will receive it

    B

    If a packet is sent to a multicast group address, the multicast frame contains the source multicast  address

    C

    A router does not have to be a member of a multicast group to receive multicast data.

    D

    A router does not have to be a member of a multicast group to send to the group.

    E

    A router must be a member of a multicast group to receive multicast data.

    F

    A router must be a member of a multicast group to send to the group.


    正确答案: E,B
    解析: 暂无解析

  • 第21题:

    多选题
    Which of the following is a bus mastering method?()
    A

    A device transfers data directly to the memory.

    B

    A device handles mediation between the northbridge and the processor.

    C

    A device connects to another device without involving the processor.

    D

    A device transfers data to the processor and then on to the memory.

    E

    A device handles mediation between the southbridge and the processor


    正确答案: A,C
    解析: 暂无解析

  • 第22题:

    多选题
    Which three are true?()
    A

    A MERGE statement is used to merge the data of one table with data from another.

    B

    A MERGE statement replaces the data of one table with that of another.

    C

    A MERGE statement can be used to insert new rows into a table.

    D

    A MERGE statement can be used to update existing rows in a table.


    正确答案: D,B
    解析: 暂无解析

  • 第23题:

    单选题
    Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?()
    A

    A session key value is exchanged across the network.

    B

    A session key never passes across the network.

    C

    A session key is used as the key for asymmetric data encryption.

    D

    A session key is used as the key for symmetric data encryption.


    正确答案: A
    解析: 暂无解析

  • 第24题:

    多选题
    Which two statements about subqueries are true? ()
    A

    A single row subquery can retrieve data from only one table.

    B

    A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.

    C

    A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause.

    D

    A single row subquery can retrieve data from more than one table.

    E

    A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.

    F

    A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time.


    正确答案: E,D
    解析: 暂无解析