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NEW QUESTION 41
Which two storage engines provide a view of the data consistent with the storage system at any moment? (Choose two.)
- A. NDB
- B. ARCHIVE
- C. InnoDB
- D. MEMORY
- E. MyISAM
Answer: D,E
NEW QUESTION 42
You have just installed MySQL on Oracle Linux and adjusted your /etc/my.cnf parameters to suit your installation.
Examine the output:
What statement is true about the start attempt?
- A. systemd attempted to start mysqld, found another systemd mysqld process running, and shut it down.
- B. MySQL server continued to start up even though another process existed.
- C. systemd waited for 30 seconds before timing out and start up failed.
- D. MySQL server was not started due to a problem while executing process 2732.
- E. systemd found the mysqld service disabled and failed to start it.
Answer: A
NEW QUESTION 43
Which two statements are true about using backups of the binary log? (Choose two.)
- A. Multiple binary logs can be used to restore data.
- B. They allow for point-in-time recovery of the data.
- C. Binary logs are relatively small, and therefore, excellent for long-term storage and disaster recovery.
- D. Multiple binary logs can be applied in parallel for faster data restoration.
- E. Binary logs can always be used to unapply unwanted schema changes.
Answer: B,E
NEW QUESTION 44
You plan to install MySQL Server by using the RPM download.
Which two statements are true? (Choose two.)
- A. You can provide the root password interactively.
- B. The functionality is split among several RPM package files.
- C. MySQL uses the RPM relocatable installation target feature.
- D. You must manually initialize the data directory.
- E. You can find the root password in the error log after the first start.
- F. The MySQL RPM package installation supports deploying multiple MySQL versions on the same host.
Answer: E,F
NEW QUESTION 45
Your MySQL server was upgraded from an earlier major version.
The sales database contains three tables, one of which is the transactions table, which has 4 million rows.
You are running low on disk space on the datadir partition and begin to investigate.
Examine these commands and output:
Which two statements are true? (Choose two.)
- A. Executing ALTER TABLE transactions will enable you to free up disk space.
- B. Truncating the sales and leads table will free up disk space.
- C. The transactions table was created with innodb_file_per_table=OFF.
- D. Truncating the transactions table will free up the most disk space.
- E. Executing SET GLOBAL innodb_row_format=COMPRESSED and then ALTER TABLE transactions will free up disk space.
Answer: C,E
NEW QUESTION 46
Which two are contained in the InnoDB system tablespace (ibdata1) by default? (Chose two.)
- A. table data
- B. primary indexes
- C. user privileges
- D. change buffer
- E. doublewrite buffer
- F. InnoDB Data Dictionary
Answer: E,F
NEW QUESTION 47
Examine the modified output:
Seconds_Behind_ Mastervalue is steadily growing.
What are two possible causes? (Choose two.)
- A. This value shows only I/O latency and is not indicative of the size of the transaction queue.
- B. The master is producing a large volume of events in parallel but the slave is processing them serially.
- C. One or more large tables do not have primary keys.
- D. The parallel slave threads are experiencing lock contention.
- E. The master is most probably too busy to transmit data and the slave needs to wait for more data.
Answer: A,B
Explanation:
Explanation
NEW QUESTION 48
Binary log events for the 'mydb1' schema must be copied to a different schema name 'mydb2'.
Which command will do this?
- A. mysqlbinlog --rewrite-db='mydb1' --rewrite-db='mydb2' | mysql
- B. mysqlbinlog --read-from-remote-server --raw | sed 's/mydb1/mydb2/g' | mysql
- C. mysqlbinlog --datebase=mydb1 --database=mydb2 | mysql
- D. mysqlbinlog --rewrite-db='mydb1->mydb2' | mysql
Answer: B
NEW QUESTION 49
Examine this SQL statement:
Which set of privileges will allow Tom to execute this SQL statement?
- A. GRANT UPDATE ON 'world'.* TO 'tom'@'%';
GRANT ALL PRIVILEGES ON 'world'.'country' TO 'tom'@'%'; - B. GRANT ALL PRIVILEGES ON 'world'.'city' TO 'tom'@'%';
GRANT SELECT ('code') ON 'world'.'country' TO 'tom'@'%'; - C. GRANT UPDATE ON 'world'.'city' TO 'tom'@'%'; GRANT SELECT ON 'world'.* TO 'tom'@'%';
- D. GRANT UPDATE ON 'world'.'city' TO 'tom'@'%'; GRANT SELECT ON 'world'.'country' TO 'tom'@'%';
Answer: D
NEW QUESTION 50
Which two are features of MySQL Enterprise Firewall? (Choose two.)
- A. blocking of potential threats by configuring pre-approved whitelists
- B. recording incoming SQL statement to facilitate the creation of a whitelist of permitted commands
- C. automatic locking of user accounts who break your firewall
- D. modifying SQL statement dynamically with substitutions
- E. provides stateless firewall access to TCP/3306
Answer: A,D
NEW QUESTION 51
You must configure the MySQL command-line client to provide the highest level of trust and security when connecting to a remote MySQL Server.
Which value of --ssl-mode will do this?
- A. REQUIRED
- B. VERIFY_IDENTITY
- C. PREFERRED
- D. VERIFY_CA
Answer: A
NEW QUESTION 52
Examine this command, which executes successfully:
mysqlpump --user=root --password > full_backup.sql
Which two databases will be excluded from this dump? (Choose two.)
- A. employee
- B. world
- C. sys
- D. mysql
- E. information_schema
Answer: C,E
NEW QUESTION 53
Which two are use cases of MySQL asynchronous replication? (Choose two.)
- A. It guarantees near real-time replication between a master and a slave.
- B. You can scale writes by creating a replicated mesh.
- C. It allows backup to be done on the slave without impacting the master.
- D. You can scale reads by adding multiple slaves.
- E. MySQL Enterprise Backup will automatically back up from an available slave.
Answer: C,D
NEW QUESTION 54
You have configured GTID-based asynchronous replication with one master and one slave.
A user accidentally updated some data on the slave.
To fix this, you stopped replication and successfully reverted the accidental changes.
Examine the current GTID information:
You must fix GTID sets on the slave to avoid replicating unwanted transactions in case of failover.
Which set of actions would allow the slave to continue replicating without erroneous transactions?
RESET MASTER;
- A. SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
- B. SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-3820;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa—aaaaaaaaaaaa:1-10300;
RESET MASTER; - C. bbbb-bbbb-bbbb-bbbbbbbbbbbb:1-9;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
RESET SLAVE; - D. SET GLOBAL gtid_purged-aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
RESET SLAVE; - E. SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312,bbbbbbbb-
Answer: D
NEW QUESTION 55
Which three are characteristics of a newly created role? (Choose three.)
- A. It can be protected with a password.
- B. It can be dropped using the DROP ROLEstatement.
- C. It can be granted to user accounts.
- D. It is created as a locked account.
- E. It can be renamed using the RENAME ROLEstatement.
- F. It is stored in the mysql.roletable.
Answer: A,B,C
Explanation:
Explanation/Reference:
NEW QUESTION 56
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