Abreast Of The Times C2090-619 Lab 2021
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NEW QUESTION 1
Which is NOT a component of the IBM Mobile Database offering?
- A. IBM DB2
- B. IBM Informix
- C. IBM solidDB
- D. IBM InfoSphere Warehouse
Answer: D
NEW QUESTION 2
Which statement is FALSE regarding SBSPACES?
- A. They are recoverable.
- B. They do not obey transaction isolation modes.
- C. They have read, write, and seek properties similar to a standard UNIX file.
- D. Smart large objects within table rows are not required to be retrieved in one statement.
Answer: B
NEW QUESTION 3
Which table attribute defines the percentage of changes (insert/update/delete) threshold to consider the statistics as stale?
- A. STATAUTO
- B. STATFORCE
- C. FORCE AUTO
- D. STATCHANGE
Answer: D
NEW QUESTION 4
Which is a valid Pluggable Authentication Module (PAM) mode in Unix?
- A. Login mode
- B. Client mode
- C. Server mode
- D. Password mode
Answer: D
NEW QUESTION 5
The total number of locks allocated equals the value specified by the LOCKS configuration parameter. What is the behavior of the database server when more locks are now requested?
- A. The user encounters a lock request error.
- B. More memory is allocated for additional lock structures from DS_TOTAL_MEMORY.
- C. More memory is allocated for additional lock structures in the VIRTUAL section of shared memory.
- D. More memory is allocated for additional lock structures in the RESIDENT section of shared memory.
Answer: C
NEW QUESTION 6
To potentially reduce table extent interleaving, an Informix administrator would execute which storage optimization operation?
- A. Shrink
- B. Repack
- C. Compress
- D. Defragment
Answer: D
NEW QUESTION 7
Which configuration parameter can toggle the automatic expansion of storage spaces?
- A. SP_AUTOGROW
- B. SP_AUTO_SPACE
- C. SP_AUTOEXPAND
- D. SP_EXPAND_ENABLE
Answer: C
NEW QUESTION 8
The Rolling Window clause of the ALTER FRAGMENT MODIFY INTERVAL statement CANNOT define a purging policy on a table that has which two attributes? (Choose two.)
- A. The table has a ROWID shadow column.
- B. The table has a Fragment By Range index.
- C. The table has a Unique Key being used by ER.
- D. The Fragment Key is defined with multiple columns.
- E. The Primary Key for the table is referenced by a foreign key constraint.
Answer: AE
NEW QUESTION 9
Which two statements are true about archecker utility? (Choose two.)
- A. Archecker can help developers team to debug procedures.
- B. Archecker can do backup testing, fully integrated with onbar and ontape utilities.
- C. Archecker can copy data from different servers, even restoring from a remote device.
- D. Archecker can use all kind of connections protocols, including shared memory connections.
- E. Archecker can do data restore (physical or logical) of database portions, table portions, or even a set of tables.
Answer: BE
NEW QUESTION 10
The DBA updated the uto_crsd?Scheduler task in the SYSADMIN database with the following SQL commands:The DBA updated the ?uto_crsd?Scheduler task in the SYSADMIN database with the following SQL commands: UPDATE ph_task SET tk_enable
= ?WHERE tk_name = uto_crsd?UPDATE ph_task SET tk_enable = ??WHERE tk_name =
?uto_crsd? UPDATE ph_threshold SET value = ?WHERE name = UTODEFRAG_ENABLED?UPDATE ph_threshold SET value = ??WHERE name =
?UTODEFRAG_ENABLED? UPDATE ph_threshold SET value = ?000?WHERE name = UTOCOMPRESS_ROWS?UPDATE ph_threshold SET value = ?000?WHERE name =
?UTOCOMPRESS_ROWS? What will be the effect of auto_crsd database scheduler task on the tables?
- A. Compress all tables with less than 5000 rows.
- B. Compress and defragment tables with more than 5000 uncompressed rows.
- C. Compress, repack and shrink tables with more than 5000 uncompressed rows.
- D. Do not compress, repack, shrink and defragment any table with more than 5000 rows.
Answer: C
NEW QUESTION 11
Which log file CANNOT be rotated using the default "message log rotate" SQL admin command?
- A. audit log
- B. message log
- C. onbar debug log
- D. onbar activity log
Answer: A
NEW QUESTION 12
Which objects can be compressed?
- A. CLOBs
- B. smart BLOBs
- C. partition BLOBs
- D. blobspace BLOBs
Answer: C
NEW QUESTION 13
Which configuration parameter should be set to enable asynchronous page requests when the database server detects that a query is waiting on I/O?
- A. DIRECT_IO
- B. DBUPSPACE
- C. AUTO_AIOVPS
- D. AUTO_READAHEAD
Answer: D
NEW QUESTION 14
Which statement is true regarding default roles?
- A. The DBSA can define a default role to assign only to the PUBLIC group for a particular database.
- B. The privileges associated with a default role takes precedence over the privileges granted to an individual user.
- C. The DBSA can define a default role to assign to individual users or to the PUBLIC group for a particular database.
- D. When a user connects to a database, it is necessary to use the SET ROLE DEFAULT statement in order to gain the default role privileges.
Answer: C
NEW QUESTION 15
Which two tasks can be performed through an Informix Grid? (Choose two.)
- A. Install Informix products.
- B. Start Informix servers in a grid.
- C. Copy external files to grid servers.
- D. Setup replication automatically in a grid.
- E. Modify replication server attributes for grid servers.
Answer: CD
NEW QUESTION 16
In addition to examining the Connection Manager log file, what are two ways to monitor the Connection Manager status? (Choose two.)
- A. onstat
- B. onmode
- C. oncmsm
- D. onmonitor
- E. OpenAdmin Tool
Answer: AE
NEW QUESTION 17
When you take a level 2 backup, what data is backed up?
- A. All new data since the last level 1 backup.
- B. All new data since the last level 2 backup.
- C. All logical logs which have not previously been backed up.
- D. All new data since the last level 0, level 1 or level 2 backup.
Answer: A
NEW QUESTION 18
What does the following SQL administration command do? EXECUTE FUNCTION task("onmode", "wi", "/tmp/cfg_20130601");
- A. Apply the new values for all configuration parameters in memory.
- B. Reset the values for dynamically updatable configuration parameters to the default values and save them in onconfig.
- C. Apply the new values for all dynamically updatable configuration parameters from the file "/tmp/cfg_20130601" in memory.
- D. Apply the new values for all dynamically updatable configuration parameters from the file "/tmp/cfg_20130601" and save them in onconfig.
Answer: C
NEW QUESTION 19
Which statement is true for starting Connection Manager?
- A. Only user root and informix.
- B. Any user of the DBSA group.
- C. Any user who is granted privileges to connect to the sysadmin database.
- D. Only a user of the DBSA group with privilege to connect to the sysadmin database.
Answer: D
NEW QUESTION 20
When configuring Informix server for DRDA connection, which statement is true?
- A. The connection protocol must be drsoctcp.
- B. The database server name for DRDA connection must correspond to the DBSERVERNAME onconfig parameter.
- C. The database server name for DRDA connection must correspond to the DBSERVERALIASES onconfig parameter.
- D. The database server name should correspond to either the DBSERVERNAME or the DBSERVERALIASES onconfig parameter.
Answer: C
NEW QUESTION 21
Which option maximizes performance in an Informix Warehouse (DSS) environment?
- A. Higher value of LOGBUFF.
- B. Higher value of PHYSBUFF.
- C. Higher value of BUFFERPOOL and lower value of DS_TOTAL_MEMORY.
- D. SHMTOTAL set to 0 to allow Informix to access all available physical memory.
Answer: D
NEW QUESTION 22
You have started a violations table for a target table with a non default name. (For example: "START VIOLATIONS TABLE FOR customer USING exceptions, reasons;"). How can you determine the relationship between the violations table and the target table later?
- A. Using dbschema utility
- B. Using 'oncheck -pT' command
- C. Querying sysdepends system catalog table
- D. Querying sysviolations system catalog table
Answer: D
NEW QUESTION 23
Which command would you use to export and import backup object metadata from one database server to another in conjunction with Primary Storage Manager?
- A. onbar -E
- B. dbexport
- C. onsmsync
- D. ontape -exp
Answer: C
NEW QUESTION 24
Which statement about Storage Provisioning is true?
- A. Only raw devices can be extended.
- B. Only cooked devices can be extended.
- C. Only unmirrored spaces can be extended.
- D. Mirrored and unmirrored spaces can be extended.
Answer: C
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