更多“可以用几种方法得到DX ERROR CODE的解释。”相关问题
  • 第1题:

    What is the outcome of this block of code?()

    A. It creates a task and workload, and executes the task.

    B. It creates a task and workload but does not execute the task.

    C. It produces an error because a template has not been created.

    D. It produces an error because the SQL Tuning Set has not been created.


    参考答案:A

  • 第2题:

    Evaluate the following block of code:What is the outcome of the above code?()

    A. It produces an error because a fully qualified host name needs to be specified.

    B. It produces an error because the range of ports associated with the hosts has not been specified.

    C. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT and RESOLVE privileges.

    D. It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT privilege but not the RESOLVE privilege.


    参考答案:C

  • 第3题:

    下列程序执行后,DX寄存器的内容是( )。 CODE SEGMENT ASSUMECS:CODE START: MOV CL,3 MOV DX,0C6H ROL DX,2 ROR DX,CL CODE ENDS END START

    A.35

    B.63H

    C.53H

    D.138H


    正确答案:B

  • 第4题:

    What does ECC stand for?()

    A. Error-Checking Code

    B. Extended-Checking Code

    C. Error-Correction Code

    D. Enhanced-Correction Code


    参考答案:C

  • 第5题:

    2M仪表与被测系统连接好测试结果可显示 ()。

    A.线路信号电平和误码分析。

    B.告警(Signal Loss、AIS、Frame. Loss、R选项格式:A.MRA)。

    C.线路信号频率。

    D.误码(Bit Error、Code Error、Frame. Error、CRC Error)。


    正确答案:ABCD 

  • 第6题:

    下列程序执行后,DX寄存器的内容是( )。 CODE SEGMENT ASSUME CS:CODE START: MOV CL,3 MOV DX,0C6H ROLDX,2 ROR DX,CL CODE ENDS END START

    A.35

    B.63H

    C.53H

    D.138H


    正确答案:B

  • 第7题:

    参照完整性规则在SQL中可以用哪几种方法实现?


    正确答案:参照完整性规则在SQL中可以用外键子句、检查子句和断言等3种方式实现。

  • 第8题:

    What does ECC stand for?()

    • A、Error-Checking Code
    • B、Extended-Checking Code
    • C、Error-Correction Code
    • D、Enhanced-Correction Code

    正确答案:C

  • 第9题:

    名词解释题
    error

    正确答案: 显示从发出HTTP请求到返回错误消息(仅限于HTTP错误)期间所经过的平均时间。
    分析以上指标,结合系统资源监控指标,会比较准确快速的定位问题。从而对系统的性能及随后的调优提供针对性的意见。
    解析: 暂无解析

  • 第10题:

    单选题
    ROW-based replication has stopped working. You investigate the error log file and find the following entries: 2013-08-27 14:15:47 9056 [ERROR] Slave SQL: Could not execute Delete_rows event on table test.t1; Can't find record in 't1', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log 56_master-bin. 000003, end_log_pos 851, Error_code: 1032 2013-08-27 14:15:47 9056 [warning] Slave: Can't find record in 't1' Error_code: 1032 2013-08-27 14:15:47 9056 [ERROR] Error running query, slave SQL thread aborted. Fix the problem, and restart the slave SQL thread with "SLAVE START". We stopped at log '56_masterbin. 000003' position 684 Why did you receive this error?()
    A

    The slave SQL thread does not have DELETE privileges to execute on test.t1 table.s

    B

    The table definition on the slave -litters from the master

    C

    Multi-threaded replication slaves can have temporary errors occurring for cross database updates

    D

    The slave SQL thread attempted to remove a row from the test.t1 table, but the row did not exist


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    How can you modify the application to return more meaningful error messages to the user?()
    A

    Create a custom messages table. Include the necessary error handling code in the form modules to display the meaningful custom message instead of the ORA- error message. 

    B

    Provide users with a form in the application to query the ORA- error, that will return a custom message to replace the ORA- message. 

    C

    Eliminate constraints where possible, thereby limiting the number of error messages returned. 

    D

    Create a procedure to include the RETRIEVE_MESSAGE built-in that automatically translates common server errors into meaningful messages for use in Forms.


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    Given: What is the result?()
    A

    The code runs with no output.

    B

    An exception is thrown at runtime.

    C

    Compilation fails because of an error in line 20.

    D

    Compilation fails because of an error in line 21.

    E

    Compilation fails because of an error in line 23.

    F

    Compilation fails because of an error in line 25.


    正确答案: F
    解析: 暂无解析

  • 第13题:

    Given:Which exception or error will be thrown when a programmer attempts to run this code?()

    A.java.lang.StackOverflowError

    B.java.lang.IllegalStateException

    C.java.lang.ExceptionInInitializerError

    D.java.lang.ArrayIndexOutOfBoundsException


    参考答案:C

  • 第14题:

    Whichbuilt-inwouldyouusetotestwhethertheCREATETABLEcommandissuedintheSALESformexecutedsuccessfully?()

    A.FORMS_DDL

    B.DO_SQL

    C.FORM_SUCCESS

    D.FORM_NOT_SUCCESS

    E.DBMS.ERROR_CODE


    参考答案:C

  • 第15题:

    下列程序执行后,DX寄存器的内容是( ) CODE SEGMENT ASSUME CS:CODE START: MOV CL,3 MOV DX,0C6H ROL DX,2 ROR DX,CL CODE ENDS END START

    A.35

    B.63H

    C.53H

    D.138H


    正确答案:B
    解析:该题主要考查了两个移位指令ROL(循环左移)和ROR(循环右移),首先DX=0C6H=11000110B,而执行ROLDX,2后DX=00011011B,接着执行RORDX,CL结果为DX=01100011B=63H,所以选项B是正确的。

  • 第16题:

    is an error detection code that most data communication networks use。

    A.Cyclic Redundancy Code

    B.Manchester Code

    C.Huffman Code

    D.4B/5B Code


    正确答案:A
    解析:循环冗余码(CRC)是一种检错码,主要应用于数据传输过程中的差错控制。

  • 第17题:

    is an error detection code that most data communication networks use。

    A.CRC

    B.Manchester Code

    C.Huffman Code

    D.4B/5B Code


    正确答案:A
    解析:循环冗余码(CRC)是一种检错码,主要应用于数据传输过程中的差错控制。

  • 第18题:

    1. public interface A {  2. public void doSomething(String thing);  3. }  1. public class AImpl implements A {  2. public void doSomething(String msg) { }  3. }  1. public class B {  2. public A doit() {  3. // more code here  4. }  5.  6. public String execute() { 7. // more code here  8. }  9. }  1. public class C extends B {  2. public AImpl doit() {  3. // more code here  4. }  5.  6. public Object execute() {  7. // more code here  8. }  9. }  Which statement is true about the classes and interfaces in the exhibit?() 

    • A、 Compilation will succeed for all classes and interfaces.
    • B、 Compilation of class C will fail because of an error in line 2.
    • C、 Compilation of class C will fail because of an error in line 6.
    • D、 Compilation of class AImpl will fail because of an error in line 2.

    正确答案:C

  • 第19题:

    You are trying to initiate an SSH connection to a remote router and are getting rejected with an error code of 0. Which of these might be the cause of the error?()

    • A、The routers are using different SSH versions.
    • B、You are trying to log in using invalid credentials.
    • C、The RSA key pair is not properly configured on the SSH client.
    • D、The RSA key pair is not properly configured on the SSH server.

    正确答案:A

  • 第20题:

    ROW-based replication has stopped working. You investigate the error log file and find the following entries: 2013-08-27 14:15:47 9056 [ERROR] Slave SQL: Could not execute Delete_rows event on table test.t1; Can't find record in 't1', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log 56_master-bin. 000003, end_log_pos 851, Error_code: 1032 2013-08-27 14:15:47 9056 [warning] Slave: Can't find record in 't1' Error_code: 1032 2013-08-27 14:15:47 9056 [ERROR] Error running query, slave SQL thread aborted. Fix the problem, and restart the slave SQL thread with "SLAVE START". We stopped at log '56_masterbin. 000003' position 684 Why did you receive this error?()

    • A、The slave SQL thread does not have DELETE privileges to execute on test.t1 table.s
    • B、The table definition on the slave -litters from the master
    • C、Multi-threaded replication slaves can have temporary errors occurring for cross database updates
    • D、The slave SQL thread attempted to remove a row from the test.t1 table, but the row did not exist

    正确答案:D

  • 第21题:

    多选题
    A MySQL replication slave is set up as follows: User all InnoDB tables Receives ROW-based binary logs Has the read-only option The replication slave has been found in an error state. You check the MySQL error log file and find the following entries: 2013-08-27 13:55:44 9056 [ERROR] Slave SQL: Could not execute Write_rows event on table test.tl; Duplicate entry ‘3’ for key’PRIMARY’ , Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; the event’s master log 56_master-bin.000003, end_log_pas 653, Error_code: 1062 2013-08-27 13:55:44 9056 [Warning] Salve: Duplicate entry ‘3’ for key ‘PRIMARY’ Error_code: 1062 2013-08-27 13:55:44 9056 [ERROR] Error running query, slave SQL thread aborted. Fix the problem, and restart the slave SQL thread with “SLAVE START”, We stopped at log ‘56_masterbin.000003’ position 496 What are two possible causes for this error to occur?()
    A

    The slave was created with mysqldump –u root –p – skip-lock-table—all-databases > /data/data.sql

    B

    The slave user does have INSERT, UPDATE, or DELETE permission and cannot execute the write_rows function

    C

    For tables with UNIQUE keys, statement-based replication must be used maintain integrity

    D

    The root user on the slave has executed FLUSH LOGS, causing the relay-log to doublewrite

    E

    The applications have the SUPER privilege, which allows them to update rows


    正确答案: A,D
    解析: 暂无解析

  • 第22题:

    单选题
    Which technique retrieves the error number when explicit DML fails?()
    A

    SQLCODE in an On-Error trigger. 

    B

    SQLCODE in an exception handler. 

    C

    DBMS_ERROR_CODE in an On-Error trigger. 

    D

    DBMS_ERROR_CODE in an exception handler. 


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    Given: What is the result?()
    A

    B

    B

    The code runs with no output.

    C

    Compilation fails because of an error in line 12.

    D

    Compilation fails because of an error in line 15.

    E

    Compilation fails because of an error in line 18.


    正确答案: A
    解析: 暂无解析