Free Huawei H13-922 Exam Dumps Questions & Answers

What problems might be caused by modifying the contents of the pg_hba.comf configuration file

• A.  Cause the database process to restart
• B.  Cause database data to be inconsistent
• C.  The client is not connected or the CN or DN is abnormal.
• D.  Causes SQL statement execution to be interrupted

The lock mode used by the insert transaction is

• A.  ShareUpdateExlusiveLock
• B.  RowExclusiveLock
• C.  ExclusiveLock
• D.  AccessShareLock

Which of the following options is correct regarding active / standby switching?

• A.  Ordinary active / standby switchover is suitable for high pressure scenarios with huge business volume
• B.  Ordinary active / standby switchover is applicable to general scenarios
• C.  There are two modes of fast active / standby switchover: single group DN active / standby instance and all GTM switchover.
• D.  Fast standby switchover is suitable for high pressure scenarios with huge business volume

The following table table operation constraints, the wrong one is

• A.  Allow create and delete table space operations within a transaction block
• B.  When deleting a table space, it is not protected by transactions. If the table space is deleted, the table space has been destroyed and cannot be used.
• C.  The system administrator has the permission to execute the DROP TABLESPACE command by default
• D.  Only system administrators can create table spaces

In the logical cluster mode, if a user needs to perform SQL operations across a logical cluster, the system can be configured to reserve resources for the purpose of resource control.

• A.  T
• B.  F