Online Access Free Oracle.1Z0-888.v2021-09-25.q123 Practice Test (Page 5)

1Z0-888 Exam Question 16

An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest datA.
The SHOW SLAVE STATUS indicates these values:
* RELAY_LOG_FILE=hostname-relay-bin.00004
* RELAY_LOG_POS=1383
Which command set would make the slave current?

A.STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; RELAY_LOG_FILE
'hostname-relay-bin.00004', RELAY_LOG_POS = 1383;

B.STOP SLAVE; SET GLOBAL master_delay=0; START SLAVE;

C.STOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-
bin.00004',
RELAY_LOG_POS = 1383;

D.STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVE;

1Z0-888 Exam Question 17

A master-slave replication setup has the slave showing this error:

On the master server, the binary logs show:

What could explain this error? (Choose two.)

A.enforce_gtid_consistency=ON and consistency is broken between the master and the slave.

B.sync_binlog=0 and the master server crashed.

C.binlog_cache_size=1024 is too small and transactions are lost.

D.The sync_relay_log=1000 setting on the slave is too small.

E.binlog_format=STATEMENT and a non-deterministic query was executed.

1Z0-888 Exam Question 18

Multiversion Concurrency Control (MVCC) enables what type of backup?

A.Incremental

B.Hot

C.Binary

D.Logical

1Z0-888 Exam Question 19

Where does MySQL Linux RPM install the mysqld binary?

A./usr/bin/

B./usr/local/mysql/bin/

C./opt/mysql/server/bin/

D./usr/sbin/

E./usr/libexec/

1Z0-888 Exam Question 20

The Performance Schema includes these tables related to status variables:

Which two facts are true about these tables? (Choose two.)

A.The session_status table is equivalent to status_by_thread for the current thread.

B.The variable values in status_by_account are the sum of those in status_by_host and status_by_user grouped by the variable name.

C.All these tables have the same number of rows.

D.The global_status table is equivalent to the SHOW GLOBAL STATUS statement.

E.The variable values in global_status are the sum of those in status_by_thread grouped by the variable name.

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