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1z0-888 Exam Dumps - MySQL 5.7 Database Administrator

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Question # 4

You created a backup of the world database with this command:

shell> mysqldump --opt world > dump.sql

Which two will import the data from dump.sql? (Choose two.)

A.

shell> mysqladmin recover test dump.sql

B.

shell> mysql test < dump.sql

C.

shell> mysqlimport test dump.sql

D.

mysql> USE test;

mysql> LOAD DATA INFILE ‘dump.sql’;

E.

mysql>USE test;

mysql>SOURCE dump.sql;

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Question # 5

Which storage option for MySQL data directory typically offers the worst performance in a highly concurrent, OLTP-heavy, IO-bound workload?

A.

battery-backed locally-attached RAID 5 array

B.

iSCSI Lun

C.

SAN (Fibre Channel) Lun

D.

NFS (Networked File System) mount

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Question # 6

Which three allocate memory per thread in MySQL? (Choose three.)

A.

query cache

B.

thread cache

C.

read buffer

D.

internal temporary table

E.

sort buffer

F.

InnoDB buffer pool instance

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Question # 7

You are using GTIDS in replication. You need to skip a transaction with the GTID of aaa-bbb-ccc-ddd-eee:3 on a slave.

Which procedure would you execute from a MySQL prompt?

A.

B.

C.

D.

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Question # 8

A MySQL replication slave is set up as follows:

  • Uses all InnoDB tables
  • Receives ROW-based binary logs
  • Has the read-only option

The replication slave has been found in an error state.

You check the MySQL error log file and find these entries:

What are two possible causes for this error to occur? (Choose two.)

A.

The applications have the SUPER privilege, which allows them to update rows.

B.

The root user on the slave has executed FLUSH LOGS, causing the relay-log to doublewrite.

C.

For tables with UNIQUE keys, statement-based replication must be used to maintain integrity.

D.

The slave was created with mysqldump –u root –p --skip-lock-tables –all-databases > /data/data.sql

E.

The slave user does not have INSERT, UPDATE, or DELETE permission and cannot execute the Write_rows function.

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