[Free] 2017(Jan) EnsurePass Pass4sure Oracle 1z0-883 Dumps with VCE and PDF 21-30

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MySQL 5.6 Database Administrator

Question No: 21

A general purpose MySQL instance is configured with the following options:

– log-slow-queries

– long-query-time=,0001

– log-slow-admin-queries

– general-log

– log-bin

– binlog-format=STATEMENT

– innodb-flush-log-at-trx-commit=1 Which three statements are true?

  1. The General Query Log records more data than the Binary Log.

  2. The binary Log records more data than the General Query Log.

  3. The Slow Query Log records more data than the General Query Log.

  4. The General Query Log records more data than the Slow Query Log.

  5. The Slow Query Log records more data than the Binary Log.

  6. The Binary Log records more data than the Slow Query Log.

Answer: A,D,E

Question No: 22

Identify a performance impact when using the Performance Schema.

  1. There is no impact on performance.

  2. There is an overhead for querying the Performance Schema but not for having it enabled.

  3. There is a constant overhead regardless of settings and workload.

  4. The overhead depends on the settings of the Performance Schema.

Answer: D

Question No: 23

Which High Availability solution can provide a consistent, time-delayed (for example, one hour) snapshot of the live production database?

  1. MySQL Replication

  2. Distributed Replication Block Device

  3. Windows Server Failover Clustering

  4. MySQL Cluster

Answer: A

Question No: 24

Which two events will cause a slave server to create a new relay log file?

  1. Starting of the I/O thread

  2. Execution of the FLUSH LOGS statement

  3. Starting of the SQL thread

  4. Reaching the slave_pendign _jobs_size_max limit

  5. Execution of FULSH TABLES WITH READ LOCK

Answer: A,B

Reference: http://dev.mysql.com/doc/refman/5.1/en/slave-logs-relaylog.html

Question No: 25

You adjust a default configuration to the following /etc/my.cnf on a Linux installation:

[mysqld] Loq-bin

Binrylog_format=ROW

You do not notice the spelling error in binrylog_format and restart your production server.

How does the MySQL server behave with incorrectly spelled options?

  1. Mysqld uses internal configuration versioning and reverts to the previous configuration.

  2. When using mysql_config_editor for configuration adjustments, it detects incorrect syntax and typing mistakes.

  3. The mysqld_safe script skips the unknown variable and starts using the remaining configuration changes.

  4. Mysqld prints to the error log about an unknown variable, and then exits.

Answer: D

Question No: 26

You want a record of all queries that are not using indexes. How would you achieve this?

  1. By enabling the Slow Query Log because all queries that are not using indexes will be logged automatically

  2. By enabling the Error Log because not using indexes is an error

  3. By enabling the Slow Query Log and using the – log-queries-not-using-indexes option

  4. By enabling the Error Log and using the – log-queries-not-using-indexes option

Answer: C

Reference: http://dev.mysql.com/doc/refman/5.0/en/slow-query-log.html

Question No: 27

The validate_password plugin is loaded and displays the following settings in global variables:

Mysqlgt; SHOW VARIABLES LIKE ‘validate_password%’;

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When attempting to set your password, you get the following error:

Mysqlgt; SET PASSWORD = PASSWORD (‘Hoverl@%’);

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements What is the cause of the error?

  1. The password is eight characters long, but needs to exceed validate_password_length to be valid.

  2. All of the MEDIUM password policy requirements have not been honored.

  3. The password matches a substring Hover as a dictionary word.

  4. The password does not match the validate_passoword_number_count requirement.

  5. There is no dictionary file defined, so password validation cannot work as expected.

Answer: B

Question No: 28

What are three methods to reduce Mysql server exposure to remote connections?

  1. Setting – skip-networking when remote connections are not required

  2. Using the sql_mode=STRICT_SECURE after connections are established for encrypted communications

  3. Setting specific GRANT privilege to limit remote authentication

  4. Setting – mysql_secure_configuration to enable paranoid mode

  5. Using SSL when transporting data over remote networks

Answer: A,B,C

Question No: 29

You have a login-path named “adamlocal” that was created by using the mysql_config_editor command.

You need to check what is defined for this login_path to ensure that it is correct for you deployment.

You execute this command:

$ mysql_config_editor print -login-path=adamlocal What is the expected output of this command?

  1. The command prints all parameters for the login-path. The password is printed in plain text.

  2. The command prints all parameters for the login-path. The password is shown only when you provide the -password option.

  3. The command prints all parameter for the login-path. The password is replaced with stars.

  4. The command prints the encrypted entry for the login-path. The is only possible to see if an entry exists.

Answer: C

Question No: 30

Which MySQL utility program should you to process and sort the slow Query log based on query time or average query time?

  1. Mysqlslow

  2. Mysqldumpslow

  3. Mysqlshow

  4. Mysqldump

  5. Mysqlaccess

Answer: B

Reference: http://dev.mysql.com/doc/refman/5.0/en/mysqldumpslow.html

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