Free Access Oracle.1Z0-888.v2022-04-28.q136 Practice Test (Page 6)

Question 21

Consider:

What does the range value in the type column mean?

A.The table will be scanned over a certain range of values.

B.You can use an index and return rows that fall within a range of values.

C.There is a range of indexes that can be used.

D.This type of index uses the range hash.

Question 22

Which statement best describes a "warm" backup?

A.It is similar to a "cold" backup, but differs in that it permits write operations.

B.It backs up the binary log, which contains the most recent "warm" changes.

C.It is similar to a "hot" backup, but differs in that it does not permit write operations.

D.It only backs up "warm" data, that is, data that has been recently modified.

Question 23

Which three options are most likely to be changed for production form their default values?

A.port

B.max_connections

C.join_buffer_size

D.max_user_connections

E.innodb_log_file_size

F.character_set_system

G.innodb_buffer_pool_size

Question 24

You have the following in your my.cnf configuration file:
[mysqld]
default_authentication_plugin=sha256_password
You want to create a new user who will be connecting from the IP address 192.0.2.10, and you want to use the authentication plug-in that implements SHA-256 hashing for user account passwords.
Which two statements would create a user named webdesign for this IP address with the password of imbatman using a SHA_256 password hash?

A.CREATE USER 'webdesign'@'192.0.2.10' IDENTIFIED AS sha256_user WITH
sha256_password 'imbatman';

B.CREATE USER 'webdesign'@'192.0.2.10' IDENTIFIED BY 'iambatman';

C.CREATE USER 'webdesign'@'192.0.2.10' IDENTIFIED WITH sha256_password BY
'imbatman';

D.CREATE USER WITH sha256_password 'sha256_user'@'192.0.2.10' IDENTIFIED AS
'webdesign' USING 'imbatman';

E.CREATE USER 'webdesign'@'192.0.2.10' WITH mysql_native_password USING SHA265 BY
'imbatman';

F.CREATE USER 'webdesign'@'192.0.2.10' IDENTIFIED BY SHA265 AS 'imbatman';

Question 25

An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest data.
The SHOW SLAVE STATUSindicates these values:
* RELAY_LOG_FILE=hostname-relay-bin.00004
* RELAY_LOG_POS=1383
Which command set would make the slave current?
STOP SLAVE; SET GLOBAL master_delay=0; START SLAVE;

A.STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; RELAY_LOG_FILE = 'hostname-relay-

B.bin.00004', RELAY_LOG_POS = 1383;

C.STOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-bin.00004',

D.RELAY_LOG_POS = 1383;
STOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVE;

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