Vendor: Oracle
Certifications: Oracle Database
Exam Name: MySQL 8.0 Database Administrator
Exam Code: 1Z0-908
Total Questions: 140 Q&As ( View Details)
Last Updated: Mar 09, 2024
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Oracle 1Z0-908 Last Month Results
1Z0-908 Q&A's Detail
Exam Code: | 1Z0-908 |
Total Questions: | 140 |
Single & Multiple Choice | 140 |
CertBus Has the Latest 1Z0-908 Exam Dumps in Both PDF and VCE Format
1Z0-908 Online Practice Questions and Answers
You have semi-synchronous replication configured and working with one slave. rpl_semi_sync_master_timeout has never been reached.
You find that the disk system on the master has failed and as a result, the data on the master is completely unrecoverable. Which two statements are true? (Choose two.)
A. No committed transactions are lost.
B. The slave automatically identifies that the master is unreachable and performs any required actions so that applications can start using the slave as the new master.
C. As soon as the incident happens, application can read data from the slave and rely on it to return a full and current set of data.
D. Reads from the slave can return outdated data until the value of the rpi_semi_sync_master_timeout variable is reached.
E. Reads from the slave can return outdated data for some time, until it applies all transactions from its relay log.
F. A small amount of committed transactions may be lost in case they were committed just before the disk failure.
A MySQL server is monitored using MySQL Enterprise Monitor's agentless installation. Which three features are available with this installation method? (Choose three.)
A. MySQL Replication monitoring
B. network-related information and network characteristics
C. MySQL Query Analysis data
D. CPU utilization
E. security-related advisor warnings
F. operating system memory utilization
G. disk usage and disk characteristics including disk advisors warnings
Which two statements are true about MySQL server multi-source replication? (Choose two.)
A. It is not compatible with auto-positioning.
B. It needs to be re-instanced after a crash to maintain consistency.
C. It uses only time-based replication conflict resolution.
D. It relies on relay_log_recovery for resilient operations.
E. It does not attempt to detect or resolve replication conflicts.
F. It must use GTID replication.
Examine these statements, which execute successfully: TRUNCATE test; BEGIN;
INSERT INTO test(id, name) VALUES(1, "Hello"); ROLLBACK;
SELECT id FROM test;
Which three storage engines would return a nonempty recordset for the test table when executing the statements? (Choose three.)
A. NDB
B. ARCHIVE
C. InnopB
D. BLACKHOLE
E. MEMORY
F. MyISAM
Examine this output: Which change should optimize the number of buffer pool instances for this workload?
A. Increase the number of buffer pool instances to 16.
B. Increase the number of buffer pool instances to 32.
C. Decrease the number of buffer pool instances to 1.
D. Increase the number of buffer pool instances to 12.
E. Decrease the number of buffer pool instances to 4.
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