Real 1z1-908 Exam Questions are the Best Preparation Material
Practice on 2023 LATEST 1z1-908 Exam Updated 142 Questions
To prepare for the Oracle 1Z0-908 (MySQL 8.0 Database Administrator) Certification Exam, candidates should have a strong background in database administration and a thorough understanding of the MySQL 8.0 database technology. Oracle offers a range of training courses and study materials to help candidates prepare for the exam, including classroom training, online courses, and study guides.
If you are interested in becoming a MySQL database administrator, the Oracle 1Z0-908 Exam is an excellent certification to pursue. Passing the exam demonstrates your skills and knowledge in MySQL 8.0 database administration, and it can open up new career opportunities for you. With the rise in demand for MySQL database administrators, there has never been a better time to pursue this certification.
NEW QUESTION # 46
There are five MySQL instances configured with a working group replication.
Examine the output of the group members:
Which two statements are true about network partitioning in the cluster? (Choose two.)
- A. There could be both a 2 node and 3 node group replication still running, so shutting down group replication and diagnosing the issue is recommended.
- B. The cluster will shut down to preserve data consistency.
- C. A manual intervention to force group members to be only the working two instances is required.
- D. The group replication will buffer the transactions on the online nodes until the unreachable nodes return online.
- E. The cluster has built-in high availability and updates group_replication_ip_whitelistto remove the unreachable nodes.
Answer: B,E
NEW QUESTION # 47
Examine this statement, which executes successfully:
You want to improve the performance of this query:
Which change enables the query to succeed while accessing fewer rows?
- A. ALTER TABLE world.city ADD INDEX (Name);
- B. ALTER TABLE world.city ADD INDEX (Population);
- C. ALTER TABLE world.city ADD SPATIAL INDEX (Population);
- D. ALTER TABLE world.city ADD SPATIAL INDEX (Name);
- E. ALTER TABLE world.city ADD FULLTEXT INDEX (Name);
- F. ALTER TABLE world.city ADD FULLTEXT INDEX (Population);
Answer: B
NEW QUESTION # 48
Examine these statements and output:
Which statement is true?
- A. The user is authenticated as the anonymous proxy user ‘’@’%’.
- B. The user is authorized as the accounting@localhostuser.
- C. The user is logged in with --user=accountingas an option.
- D. The user is authorized as the rsmith@localhostuser.
- E. The user failed to define a username and the connecting username defaulted to ‘’@’%’.
Answer: D
NEW QUESTION # 49
Which four are types of information stored in the MySQL data dictionary? (Choose four.)
- A. InnoDB buffer pool LRU management data
- B. table definitions
- C. view definitions
- D. performance metrics
- E. server configuration rollback
- F. access control lists
- G. server runtime configuration
- H. stored procedure definitions
Answer: B,C,E,H
NEW QUESTION # 50
Your MySQL server is running on the Microsoft Windows platform.
Which three local connection protocols are available to you? (Choose three.)
- A. X Protocol
- B. SOCKET
- C. UDP
- D. shared memory
- E. TCP/IP
- F. named pipes
Answer: D,E,F
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-8.0-en/mysql-installer-workflow.html
NEW QUESTION # 51
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 found the mysqld service disabled and failed to start it.
- B. systemd waited for 30 seconds before timing out and start up failed.
- C. MySQL server continued to start up even though another process existed.
- D. MySQL server was not started due to a problem while executing process 2732.
- E. systemd attempted to start mysqld, found another systemd mysqld process running, and shut it down.
Answer: E
NEW QUESTION # 52
Which three settings control global buffers shared by all threads on a MySQL server? (Choose three.)
- A. innodb_buffer_pool_size
- B. read_buffer_size
- C. tmp_table_size
- D. sort_buffer_size
- E. key_buffer_size
- F. table_open_cache
Answer: C,D,E
NEW QUESTION # 53
Examine this query and output:
Which two statements are true? (Choose two.)
- A. 35 rows from the city table are included in the result.
- B. The optimizer estimates that 51 rows in the countrytable have Continent = ‘Asia’.
- C. The query returns exactly 125 rows.
- D. It takes more than 8 milliseconds to sort the rows.
- E. The countrytable is accessed as the first table, and then joined to the city table.
Answer: A,B
NEW QUESTION # 54
You reconfigure and start a slave that was not replicating for several days.
The configuration file and CHANGE MASTER command are correct. Examine the GTID information from both master and slave:
Which statement is true?
- A. Replication will fail because of inconsistent numbers in cccccccc-cccc-cccc-cccc-cccccccccccc GTIDs.
- B. Replication will fail because the slave has purged more aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa transactions than the master.
- C. Replication will fail because the master has already purged transactions with cccccccc-cccc-cccc- cccc-cccccccccccc GTIDs.
- D. Replication will work.
- E. Replication will fail because the master does not have the required transaction with bbbbbbbb-bbbb- bbbb-bbbb-bbbbbbbbbbbb GTIDs in its binary logs.
Answer: B
NEW QUESTION # 55
Your MySQL installation is running low on space due to binary logs. You need to reduce your log space usage urgently.
Which two sets of actions when completed will accomplish this? (Choose two.)
- A. Set binlog_expire_logs_seconds = 0 in my.cnf and restart the server.
- B. Use SET PERSIST binlog_expire_logs_seconds=<value>.
- C. Set binlog_expire_logs_seconds in my.cnf.
- D. Use PURGE BINARY LOGS to <binlog_name>.
- E. Use SET GLOBAL binlog_expire_logs_seconds=<value> and run the FLUSH BINARY LOGS command.
- F. Use SET GLOBAL binlog_expire_logs_seconds=<value> and restart the server.
Answer: B,F
NEW QUESTION # 56
You are using mysqlcheck for server maintenance.
Which two statements are true? (Choose two.)
- A. The mysqlcheck --repair --all-databases command can repair an InnoDB corrupted table.
- B. The mysqlcheck --check --all-databases command takes table write locks while performing a series of checks.
- C. The mysqlcheck --analyze --all-databases command performs a series of checks to spot eventual table corruptions.
Section: (none)
Explanation - D. The mysqlcheck command can be renamed mysqlrepair so that it repairs tables by default.
- E. The mysqlcheck --optimize --all-databases command reclaims free space from table files.
Answer: C,D
NEW QUESTION # 57
Examine these commands and output:
Which connection ID is holding the metadata lock?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
- F. 5
Answer: B
NEW QUESTION # 58
Examine this statement:
mysql> DROP ROLE r_role1, r_role2;
Which two are true? (Choose two.)
- A. It fails if at least one of the roles does not exist.
- B. Existing connections can continue to use the roles' privileges until they reconnect.
- C. It fails if any of the roles is specified in the mandatory_roles variable.
- D. You must revoke all privileges from r_role1 and r_role2 before dropping the roles.
- E. You must revoke r_role1 and r_role2 from all users and other roles before dropping the roles.
- F. It fails if you do not have the ADMIN OPTION of the roles r_role1 and r_role2.
Answer: B,F
NEW QUESTION # 59
Which two commands will display indexes on the parts table in the manufacturing schema? (Choose two.)
- A. EXPLAIN SELECT INDEXES FROM manufacturing.parts;
- B. SELECT * FROM information_schema.statistics WHERE table_schema='manufacturing' AND TABLE_NAME='parts';
- C. DESCRIBE manufacturing.parts;
- D. SELECT * FROM information_schema.COLUMN_STATISTICS;
- E. SHOW INDEXES FROM manufacturing.parts;
Answer: B,D
NEW QUESTION # 60
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. PREFERRED
- B. REQUIRED
- C. VERIFY_IDENTITY
- D. VERIFY_CA
Answer: B
NEW QUESTION # 61
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