Online Access Free Oracle.1Z0-908.v2025-10-10.q69 Practice Test (Page 7)

1Z0-908 Exam Question 26

Examine this list of MySQL data directory binary logs:
binlog.000001
binlog.000002
.....
binlog.000289
binlog.000300
binlog.000301
binlog.index
Now examine this command, which executes successfully:
mysqldump --delete-master-logs --all-databases > /backup/db_backup.sql
Which two are true? (Choose two.)

A.All non-active binary logs are removed from the master.

B.All details regarding deleted logs and master metadata are captured in the output file.

C.All binary logs are deleted from the master.

D.All databases are backed up to the output file.

E.All binary logs are backed up and then deleted.

F.All databases, excluding master metadata, are backed up to the output file.

1Z0-908 Exam Question 27

Examine this query and output:

Which two statements are true? (Choose two.)

A.35 rows from the city table are included in the result.

B.It takes more than 8 milliseconds to sort the rows.

C.The country table is accessed as the first table, and then joined to the city table.

D.The query returns exactly 125 rows.

E.The optimizer estimates that 51 rows in the country table have Continent = 'Asia'.

1Z0-908 Exam Question 28

Which three are types of InnoDB tablespaces? (Choose three.)

A.undo tablespaces

B.temporary table tablespaces

C.redo tablespaces

D.encryption tablespaces

E.data tablespaces

F.schema tablespaces

1Z0-908 Exam Question 29

An attempt to recover an InnoDB Cluster fails.
Examine this set of messages and responses:
host3:3377 ssl JS > dba.rebootClusterFromCompleteOutage()
Reconfiguring the default cluster from complete outage…
The instance ‘host1:3377'’ was part of the cluster configuration.
Would you like to rejoin it to the cluster? [y/N]: y
The instance ‘host2:3377’ was part of the cluster configuration.
Would you like to rejoin it to the cluster? [y/N]: y
Dba.rebootClusterFromCompleteOutage: The active session instance isn’t the most updated in comparison with the ONLINE instances of the Cluster’s metadata. Please use the most up to date instance: ‘host1:3377’. (RuntimeError) Which statement is true?

A.The instance deployed on host3must be synchronized from a donor deployed on host1by using the command cluster.addInstance(‘host1:3377’).

B.The instance deployed on host3must be rebuilt with a backup from the primary instance.

C.The active session instance is invalid and must be re-created by using the command shell.connect (‘host3:3377’).

D.It is possible to determine the most up-to-date instance by comparing different global transaction identifier (GTID) sets with GTID_SUBSET(set1,set2).

E.The cluster is running and there is at least one ONLINEinstance.

1Z0-908 Exam Question 30

You reconfigure and start a slave that was not replicating for several days.
The configuration file and CHANGE MASTERcommand are correct.
Examine the GTID information from both master and slave:

Which statement is true?

A.Replication will fail because the slave has purged more aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa transactions than the master.

B.Replication will fail because the master does not have the required transaction with bbbbbbbb-bbbb- bbbb-bbbb-bbbbbbbbbbbbGTIDs in its binary logs.

C.Replication will fail because the master has already purged transactions with cccccccc-cccc-cccc- cccc-ccccccccccccGTIDs.

D.Replication will fail because of inconsistent numbers in cccccccc-cccc-cccc-cccc-cccccccccccc GTIDs.

E.Replication will work.

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1Z0-908 Exam Question 26

1Z0-908 Exam Question 27

1Z0-908 Exam Question 28

1Z0-908 Exam Question 29

1Z0-908 Exam Question 30

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