Get Oracle 1Z0-908 Dumps Questions [2024] To Gain Brilliant Result [Q28-Q48]

Get Oracle 1Z0-908 Dumps Questions [2024] To Gain Brilliant Result

1Z0-908 dumps - TestInsides - 100% Passing Guarantee

NEW QUESTION # 28
Examine this command and output:

Which two options will improve the security of the MySQL instance? (Choose two.)

• A. Remove world read privileges from the public_key.pemfile.
• B. Remove world read privileges from the server-cert.pemcertificate file.
• C. Change the parent directory owner and group to mysql.
• D. Remove group read/write privileges from the private_key.pemfile.
• E. Remove the world read/execute privilege from the accountingdirectory.
• F. Change the group ownership of the mysqldirectory to the mysqluser group.

Answer: C,F

NEW QUESTION # 29
All MySQL Server instances belonging to InnoDB Cluster have SSL configured and enabled.
You must configure InnoDB Cluster to use SSL for group communication.
Which two statements are true? (Choose two.)

• A. An existing InnoDB Cluster must be dissolved and created from scratch to enable SSL for group communication.
• B. SSL group communication requires the use of an additional set of parameters group_replication_recovery_*.
• C. If only some InnoDB Cluster members are enabled for SSL group communication, and
  --ssl-mode=PREFERRED, communication will fall back to unencrypted connection.
• D. SSL group communication can be enabled for an existing cluster, one instance at time, by setting group_replication_ssl_mode.
• E. Configuring SSL group communication also configures SSL distributed recovery.
• F. SSL group communication must be enabled at cluster creation time by specifying createCluster ({memberSslMode: 'REQUIRED'}).

Answer: B,F

NEW QUESTION # 30
Which two are contained in the InnoDB system tablespace (ibdata1) by default? (Chose two.)

• A. InnoDB Data Dictionary
• B. primary indexes
• C. table data
• D. user privileges
• E. change buffer
• F. doublewrite buffer

Answer: A,F

NEW QUESTION # 31
Examine this command, which executes successfully:
cluster.addInstance('<user>@<host>:<port>', {recoveryMethod: 'clone'})
Which three statements are true? (Choose three.)

• A. A new instance is installed, initialized, and provisioned with data from an instance already in the cluster and joined to the cluster.
• B. It is always slower than {recoveryMethod: 'incremental'}.
• C. The account used to perform this recovery needs the BACKUP_ADMIN privilege.
• D. A target instance must exist, then it will be provisioned with data from an instance already in the cluster and joined to the cluster.
• E. InnoDB redo logs must not rotate for the duration of the execution; otherwise, the recovery will fail.
• F. InnoDB tablespaces outside the datadir are able to be cloned.

Answer: B,C,E

NEW QUESTION # 32
Examine this output:

Which change should optimize the number of buffer pool instances for this workload?

• A. Decrease the number of buffer pool instances to 1.
• B. Increase the number of buffer pool instances to 32.
• C. Decrease the number of buffer pool instances to 4.
• D. Increase the number of buffer pool instances to 12.
• E. Increase the number of buffer pool instances to 16.

Answer: B

NEW QUESTION # 33
You wish to protect your MySQL database against SQL injection attacks.
Which method would fail to do this?

• A. using stored procedures for any database access
• B. using PREPARED STATEMENTS
• C. avoiding concatenation of SQL statements and user-supplied values in an application
• D. installing and configuring the Connection Control plugin

Answer: A

NEW QUESTION # 34
Examine this snippet from the binary log file named binlog.000036:

The rental table was accidentally dropped, and you must recover the table.
You have restored the last backup, which corresponds to the start of the binlog.000036 binary log.
Which command will complete the recovery?

• A. mysqlbinlog --stop-position=500324 binlog.000036 | mysql
• B. mysqlbinlog --stop-datetime='2019-ll-20 14:55:18' binlog.000036 | mysql
• C. mysqlbinlog --stop-position=5004S3 binlog.000036 | mysql
• D. mysqlbinlog --stop-datetime='2019-ll-20 14:55:16' binlog.000036 | mysql

Answer: D

NEW QUESTION # 35
Examine the modified output:

Seconds_Behind_ Master value is steadily growing. What are two possible causes? (Choose two.)

• A. This value shows only I/O latency and is not indicative of the size of the transaction queue.
• B. The master is most probably too busy to transmit data and the slave needs to wait for more data.
• C. One or more large tables do not have primary keys.
• D. The parallel slave threads are experiencing lock contention.
• E. The master is producing a large volume of events in parallel but the slave is processing them serially.

Answer: A,E

NEW QUESTION # 36
Which two tools are available to monitor the global status of InnoDB locking? (Choose two.)

• A. SHOW STATUS;
• B. SHOW TABLE STATUS;
• C. INFORMATION_SCHEMA.INNODB_METRICS
• D. INFORMATION_SCHEMA.INNODB_TABLESTATS
• E. SHOW ENGINE INNODB STATUS;
• F. INFORMATION_SCHEMA.STATISTICS

Answer: D,F

NEW QUESTION # 37
Examine this command and output:

Which two statements are true? (Choose two.)

• A. The lock is at the metadata object level.
• B. The lock is a row-level lock.
• C. The lock is an exclusive lock.
• D. The lock is an intentional lock.
• E. The lock is a shared lock.
• F. The lock is at the table object level.

Answer: B,C

NEW QUESTION # 38
Examine this query:

What information does this query provide?

• A. total memory used by thread number 10
• B. total memory used by the first 10 threads
• C. total memory used by the first 10 connections
• D. total memory used across all connections associated with the user on thread number 10
• E. total memory used by connection number 10
• F. total memory used across all connections associated with the user on connection number 10

Answer: E

NEW QUESTION # 39
Examine this statement and output:

You must try to reduce query execution time.
Which two queries should you focus on? (Choose two.)

• A. QN = 3
• B. QN = 1
• C. QN = 5
• D. QN = 4
• E. QN = 2

Answer: B,E

NEW QUESTION # 40
Examine this command, which executes successfully:
$ mysqlrouter --bootstrap user@hostname:port --directory=directory_path Which activity is performed?

• A. MySQL Router is configured based on the information in files in directory_path.
• B. MySQL Router configures all the cluster nodes based on the information retrieved from the InnoDB cluster metadata server.
• C. MySQL Router configures itself based on the information retrieved from the InnoDB cluster metadata server.
• D. MySQL Router is restarted.

Answer: C

NEW QUESTION # 41
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 cluster is running and there is at least one ONLINE instance.
• B. The instance deployed on host3 must be synchronized from a donor deployed on host1 by using the command cluster.addInstance('host1:3377').
• 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 instance deployed on host3 must be rebuilt with a backup from the primary instance.

Answer: B

NEW QUESTION # 42
You have just installed MySQL on Oracle Linux and adjusted your /etc/my.cnf parameters to suit your installation.
Examine the output:

What statement is true about the start attempt?

• A. MySQL server was not started due to a problem while executing process 2732.
• B. systemd found the mysqld service disabled and failed to start it.
• C. MySQL server continued to start up even though another process existed.
• D. systemd attempted to start mysqld, found another systemd mysqld process running, and shut it down.
• E. systemd waited for 30 seconds before timing out and start up failed.

Answer: D

NEW QUESTION # 43
What is the correct syntax for using transparent data encryption with an existing InnoDB table?

• A. ALTER TABLE t1 SET TDE = 'ON';
• B. ALTER TABLE t1 WITH ENCRYPTION USING MASTER KEY;
• C. ALTER TABLE t1 ENCRYPTION='Y';
• D. ALTER TABLE t1 ADD ENCRYPTED_TABLESPACE = 'Y';

Answer: D

NEW QUESTION # 44
Examine this statement, which executes successfully:

You want to improve the performance of this query:

Which change enables the query to succeed while accessing fewer rows?

• A. ALTER TABLE world.city ADD INDEX (Population);
• B. ALTER TABLE world.city ADD SPATIAL INDEX (Name);
• C. ALTER TABLE world.city ADD FULLTEXT INDEX (Population);
• D. ALTER TABLE world.city ADD SPATIAL INDEX (Population);
• E. ALTER TABLE world.city ADD INDEX (Name);
• F. ALTER TABLE world.city ADD FULLTEXT INDEX (Name);

Answer: D

Explanation:
Explanation/Reference: https://dev.mysql.com/doc/refman/5.7/en/creating-spatial-indexes.html

NEW QUESTION # 45
Examine this MySQL Shell command:
dba.rebootClusterFromCompleteOutage()
Which two statements are true? (Choose two.)

• A. It only starts all InnoDB Cluster instances.
• B. It picks the minimum number of instances necessary to rebuild the quorum and reconfigures InnoDB Cluster.
• C. It stops and restarts all InnoDB Cluster instances and initializes the metadata.
• D. It is not mandatory that all instances are running and reachable before running the command.
• E. It only stops and restarts all InnoDB Cluster instances.
• F. It performs InnoDB Cluster instances rolling restart.
• G. It reconfigures InnoDB Cluster if the cluster was stopped.

Answer: D,F

NEW QUESTION # 46
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. InnopB
• B. ARCHIVE
• C. NDB
• D. BLACKHOLE
• E. MEMORY
• F. MyISAM

Answer: C,D,F

NEW QUESTION # 47
You plan to install MySQL Server by using the RPM download.
Which two statements are true? (Choose two.)

• A. You must manually initialize the data directory.
• B. You can provide the root password interactively.
• C. MySQL uses the RPM relocatable installation target feature.
• D. The MySQL RPM package installation supports deploying multiple MySQL versions on the same host.
• E. The functionality is split among several RPM package files.
• F. You can find the root password in the error log after the first start.

Answer: D,F

NEW QUESTION # 48
......

Get 100% Passing Success With True 1Z0-908 Exam: https://prepaway.testinsides.top/1Z0-908-dumps-review.html