mysql8.0英文OCP考试第151-160题

Q151.You wish to store the username and password for a client connection to MySQL server in a file on a local file system.

Which is the best way to encrypt the file?

A)Use the AES_ ENCRYPT () MySQL function on the option file.

B)Use mysql_ secure_ installation to encrypt stored login credentials.

C)Use a text editor to create a new defaults file and encrypt it from Linux prompt.

D)Use mysql_ config_ editor to create an encrypted file.

Answer:D

Q152.You are backing up raw InnoDB files by using mysqlbackup.

Which two groups of files will be backed up during a full backup? (Choose two.)

A)ibbackup files

B)*.CSM files

C)*.sdi files

D)*. ibd files

E)ib_ logfile* files

1.3.2 Files Backed up for InnoDB Data

The InnoDB-related data files that are backed up include the ibdata* files (which represent the system tablespace and possibly the data for some user tables), any .ibd files(which contains data from user tables created with the file-per-table setting enabled), and the data extracted from the ib _logfile* files (the redo log information representing changes that occur while the backup is running), which is stored in a new backup file ibbackup_ logfile.

Answer:DE

Q153.Examine this statement and output:

myaql> SELECT ROMI NCMBER() OVER() A5 gai,

query, exeo_ ,count, avg latency»