Free Oracle 1Z0-908 Exam Questions

Become Oracle Certified with updated 1Z0-908 exam questions and correct answers

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Total 392 Questions | Updated On: Feb 10, 2026

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Question 1

Examine this command and output:

Which statement is true?

A : Firewall_cached_entries is the number of statements found in the query cache for users in DETECTING mode.

B : Firewall_access_denied is the number of connection attempts from prohibited hosts that are denied.

C : Firewall_access_suspicious is the number of statements logged as suspicious for users in DETECTING mode.

D : Firewall_access_granted is the number of connections granted from whitelisted hosts.

Answer: C

Question 2

You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns.

Which two conditions must be true? (Choose two.)

A : Each extra column in the copy with more columns must not have a default value.

B : Columns that are common to both versions of the table must be defined in the same order on the master and the slave.

C : The slave database cannot have more columns than the master. Only the master database can have more columns.

D : Columns that are common to both versions of the table must come first in the table definition, before any additional columns are additional columns are defined on either server.

E : The master database cannot have more columns than the slave. Only the slave deatbase can have more columns.

Answer: B,D

Question 3

You are using the Performance Schema to investigate replication on a slave which has a single master.

The option slave-parallel-type is set to DATABASE.

Assume that all instruments and consumers are enabled and all threads are instrumented.

Which two facts can be concluded from the given output? (Choose two.)

A : The salve has two intermediate relay slaves connected to it.

B : The slave is configured with slave_parallel_workers= 4.

C : At most, two schemas are being updates concurrently.

D : THREAD_ID 21 has stopped running.

E : The slave cannot process the relay log fast enough to use all threads.

F : The server needs more cores to use all slave threads.

Answer: A,B

Question 4

Which query would you use to find connections that are in the same state for longer than 100 seconds?

A : SHOW FULL PROCESSLIST WHEER Time > 100;

B : SELECT * FROM INFORMATION_SCHEMA.EVENTS SHERE STARTS < (DATE_SUB (NOW ( ), INTERVAL 100 SECOND) );

C : SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE TIME > 100;

Answer: C

Question 5

Consider the three binary log files bin.00010, bin.00011, and bin.00012 from which you want to restore data.

Which method would use mysqlbinlog for greater consistency?

A : shell> mysqlbinlog bin.00010 | mysql shell> mysqlbinlog bin.00011 | mysql shell> mysqlbinlog bin.00012 | mysql

B : shell> mysqlbinlog bin.00010 bin.00011 bin.00012 | mysql

C : shell> mysqlbinlog – restore bin.00010 bin.00011 bin.00012

D : shell> mysqlbinlog – include-gtide=ALL bin.00010 bin.00011 bin.00012 | mysql

Answer: B

Page: 1 / 79

Total 392 Questions | Updated On: Feb 10, 2026

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