Online Access Free Oracle.1Z0-888.v2021-09-25.q123 Practice Test (Page 14)

1Z0-888 Exam Question 61

A MySQL Server has been running an existing application successfully for six months. The my.cnf is adjusted to contain this additional configuration:

The MySQL Server is restarted without error.
What effect will the new configuration have on existing account?

A.They all connect via the secure sha256_password algorithm without any configuration change.

B.They are not affected by this configuration change.

C.They will have their passwords updated on start-up to sha256_password format.

D.They will have to change their password the next time they login to the server.

1Z0-888 Exam Question 62

What is the order of tables shown in an EXPLAINoutput?

A.It lists tables from the smallest to the largest.

B.It lists tables in the order in which their data will be read.

C.It lists tables from the most optimized to the least optimized.

D.It lists tables in the order in which they are specified in the statement that is being explained.

1Z0-888 Exam Question 63

An employee cannot access the company database. You check the connection variables:

A look at the user privileges shows:

What is a valid explanation for why one of the users is unable to connect to the database?

A.Joe has exceeded the max_user_connections global limit.

B.Kay is already connected elsewhere and attempting to log in again.

C.All users are blocked because max_user_connections is accumulated over the host account information.

D.connect_timeout is too small to allow a connection to occur.

E.Bob has max_user_connections set to zero, which blocks all his connections.

1Z0-888 Exam Question 64

Force Majeure is a catastrophic failure on a major level of the database operation. Regular backups are key to helping avoid data loss in such situations.
Which two other steps can help avoid data loss in a major catastrophe? (Choose two.)

A.Use RAID 10 storage for data.

B.Implement a failover strategy to another geographic location.

C.Have a second data centre in a different region or country.

D.Use on-site network-attached storage to separate service from data.

E.Keep software updated to the latest version.

F.Create a master-master pair for each service.

1Z0-888 Exam Question 65

You have a MySQL replication setup and you intentionally stop the SQL thread on the slave.

What are two reasons that you may stop the SQL thread on the slave while keeping the I/O thread running? (Choose two.)

A.to prevent any transaction experiencing a deadlock

B.to allow a backup to be created under reduced load

C.to allow the remaining events to be processed on the slave while not receiving new events from the master

D.to prevent schema changes from propagating to the slave before they are validated

E.to allow for point-in-time recovery on the slave

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1Z0-888 Exam Question 61

1Z0-888 Exam Question 62

1Z0-888 Exam Question 63

1Z0-888 Exam Question 64

1Z0-888 Exam Question 65

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