[2022] 1z1-908 Exam Dumps, Test Engine Practice Test Questions
Pass 1z1-908 exam [Jan 01, 2022] Updated 86 Questions
How to Study the Oracle 1Z0-908: MySQL 8.0 Database Exam
There are many ways to prepare for the Oracle 1Z0-908 exam. Various strategies can be developed if you are planning to take this exam. Candidates can refer to various PDFs available online and even refer to online videos to prepare for the exam. Various websites are offering practice exams to help you prepare for the exam. Certificate questions provide the most up to date 1Z0-908 exam dumps and we recommend taking the 1Z0-908 practice tests after studying. The candidates must have to take a certification course or training before giving Oracle 1Z0-908 exam, which will also help them prepare for the exam. Candidates can also take the following recommended courses to prepare for the exam:
- Oracle Database 12c: RAC Administration
- Oracle Database Learning Subscription
- Oracle Database 12c: ASM Administration and
- Oracle Database 12c: Clusterware Administration and
Benefits in Obtaining Oracle 1Z0-908: MySQL 8.0 Database Exam Certification
Oracle 1Z0-908 Certification will strengthen your knowledge and skills by introducing you to a wide variety of important database features, functions, and tasks. Oracle Database certification trains you on how to perform complex, hands-on activities through study, labs, and practice. This certification will help you gain a better understanding and experience with Oracle RAC and Grid Infrastructure. After gaining this certification you will be able to install, maintain, tune, and recover RAC databases, Clusterware, and ASM environments. if you are unsure that which is the correct option, mark the most suitable option as your answer so that any question should not be left unanswered in 1Z0-908 dumps pdf.
The MySQL for Database Administrators enables DBAs and other database professionals to maximize their organization’s investment in MySQL. Learn to configure the MySQL Server, set up replication and security, perform database backups and recoveries, optimize query performance, and configure for high availability. Earning this certification gives you a competitive advantage by developing a skill set that is in demand in the world. 80% of Oracle’s certified people reported that certification helped them in promotion, increase in wages, or other career improvements. You will also get a digital badge that you can display on your LinkedIn profiles. 1Z0-908 exam dumps are the best practice for the preparation.
NEW QUESTION 41
Examine this query:
What information does this query provide?
- A. total memory used by the first 10 connections
- B. total memory used by connection number 10
- C. total memory used across all connections associated with the user on thread number 10
- D. total memory used across all connections associated with the user on connection number 10
- E. total memory used by thread number 10
- F. total memory used by the first 10 threads
Answer: B
NEW QUESTION 42
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:1-2312;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
RESET SLAVE; - 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:1-10167;
- 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: A
NEW QUESTION 43
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 mysql_config_editor to create an encrypted file.
- B. Use a text editor to create a new defaults file and encrypt it from Linux prompt.
- C. Use mysql_secure_installation to encrypt stored login credentials.
- D. Use the AES_ENCRYPT() MySQL function on the option file.
Answer: A
NEW QUESTION 44
You are upgrading a MySQL instance to the latest 8.0 version.
Examine this output:
You plan to add this parameter to the configuration: innodb_directories='/innodb_extras' Which statement is true?
- A. It defines all innodb tablespace options relative to a starting parent directory.
- B. It moves all innodb tablespaces to the /innodb_extras directory to enable a new innodb_data_home_dir to be defined.
- C. It adds more temporary workspace in addition to the innodb_tmpdir location.
- D. It is not necessary because innodb_data_home_dir is already defined.
- E. It allows scanning of other locations to discover more innodb tablespaces.
Answer: D
NEW QUESTION 45
Where is the default data directory located after installing MySQL using RPM on Oracle Linux 7?
- A. /usr/bin
- B. /var/lib/mysql
- C. /usr
- D. /etc/my.cnf
- E. /usr/mysql
Answer: A
NEW QUESTION 46
Examine this statement and output:
You must try to reduce query execution time.
Which two queries should you focus on? (Choose two.)
- A. QN = 1
- B. QN = 5
- C. QN = 3
- D. QN = 2
- E. QN = 4
Answer: A,D
NEW QUESTION 47
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?
- A. RESET MASTER;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167; - B. RESET SLAVE;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167; - C. SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312,bbbbbbbb- bbbb-bbbb-bbbb-bbbbbbbbbbbb:1-9; SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
- D. RESET SLAVE;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-3820;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10300; - E. RESET MASTER;
SET GLOBAL gtid_purged-aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
Answer: E
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 list of MySQL data directory binary logs:
binlog.000001 binlog.000002
.....
binlog.000289
binlog.000300
binlog.000301
binlog.index
Now examine this command, which executes successfully:
mysqldump --delete-master-logs --all-databases > /backup/db_backup.sql
Which two are true? (Choose two.)
- A. All databases are backed up to the output file.
- B. All details regarding deleted logs and master metadata are captured in the output file.
- C. All binary logs are backed up and then deleted.
- D. All databases, excluding master metadata, are backed up to the output file.
- E. All binary logs are deleted from the master.
- F. All non-active binary logs are removed from the master.
Answer: D,E
NEW QUESTION 50
A colleague complains about slow response time on your website.
Examine this query and output:
What is the most likely cause for the high number of lock waits?
- A. You use the MyISAM storage engine for most common tables.
- B. The Innodb Buffer pool is full.
- C. You use the InnoDB storage engine and statements wait while data is inserted.
- D. Your table accesses wait for the operating system level flush.
Answer: C
NEW QUESTION 51
Which two MySQL Server accounts are locked by default? (Choose two.)
- A. any new ROLE accounts
- B. any user set as DEFINER for stored programs
- C. any user created without a password
- D. any user created with a username, but missing the host name
- E. any internal system accounts
Answer: B,E
NEW QUESTION 52
Examine this list of MySQL data directory binary logs:
binlog.000001
binlog.000002
.....
binlog.000289
binlog.000300
binlog.000301
binlog.index
Now examine this command, which executes successfully:
mysqldump --delete-master-logs --all-databases > /backup/db_backup.sql
Which two are true? (Choose two.)
- A. All databases are backed up to the output file.
- B. All details regarding deleted logs and master metadata are captured in the output file.
- C. All binary logs are backed up and then deleted.
- D. All databases, excluding master metadata, are backed up to the output file.
- E. All binary logs are deleted from the master.
- F. All non-active binary logs are removed from the master.
Answer: D,E
NEW QUESTION 53
Examine this SQL statement:
Which set of privileges will allow Tom to execute this SQL statement?
- A. GRANT UPDATE ON 'world'.'city' TO 'tom'@'%'; GRANT SELECT ON 'world'.'country' TO 'tom'@'%';
- B. GRANT UPDATE ON 'world'.'city' TO 'tom'@'%'; GRANT SELECT ON 'world'.* TO 'tom'@'%';
- C. GRANT UPDATE ON 'world'.* TO 'tom'@'%';
GRANT ALL PRIVILEGES ON 'world'.'country' TO 'tom'@'%'; - D. GRANT ALL PRIVILEGES ON 'world'.'city' TO 'tom'@'%';
GRANT SELECT ('code') ON 'world'.'country' TO 'tom'@'%';
Answer: A
NEW QUESTION 54
Examine this command, which executes successfully:
cluster.addInstance('<user>@<host>:<port>', {recoveryMethod: 'clone'})
Which three statements are true? (Choose three.)
- A. InnoDB redo logs must not rotate for the duration of the execution; otherwise, the recovery will fail.
- B. InnoDB tablespaces outside the datadir are able to be cloned.
- C. A target instance must exist, then it will be provisioned with data from an instance already in the cluster and joined to the cluster.
- D. A new instance is installed, initialized, and provisioned with data from an instance already in the cluster and joined to the cluster.
- E. It is always slower than {recoveryMethod: 'incremental'}.
- F. The account used to perform this recovery needs the BACKUP_ADMIN privilege.
Answer: A,E,F
NEW QUESTION 55
Which two MySQL Shell commands are excluded from the InnoDB Cluster creation procedure? (Choose two.)
- A. cluster.forceQuorumUsingPartitionOf()
- B. dba.configureInstance()
- C. dba.createCluster()
- D. cluster.addInstance()
- E. dba.configureLocalInstance()
- F. dba.checkInstanceConfiguration()
- G. cluster.setPrimaryInstance()
Answer: A,G
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-shell-8.0-relnotes-en/news-8-0-16.html
NEW QUESTION 56
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. Use SET GLOBAL binlog_expire_logs_seconds=<value> and run the FLUSH BINARY LOGS command.
- B. Use SET GLOBAL binlog_expire_logs_seconds=<value> and restart the server.
- C. Use PURGE BINARY LOGS to <binlog_name>.
- D. Set binlog_expire_logs_seconds = 0 in my.cnf and restart the server.
- E. Set binlog_expire_logs_seconds in my.cnf.
- F. Use SET PERSIST binlog_expire_logs_seconds=<value>.
Answer: B,F
NEW QUESTION 57
You have an InnoDB Cluster configured with three servers.
Examine this command, which executes successfully:
mysqldump -uroot -p -d mydatabase > mydatabase_backup.sql
Due to data loss, the cluster is initialized and a restore is attempted resulting in this error:
ERROR 13176 (HY000) at line 23: Cannot update GTID_PURGED with the Group Replication plugin running Which two actions, either one of which, can fix this error and allow a successful restore of the cluster? (Choose two.)
- A. Stop all instances except the primary read/write master instance and run the restore.
- B. Remove the group replication plugin from each instance before restoring.
- C. Create the backup by using the --set-gtid-purged=OFF option.
- D. Remove the @@GLOBAL.gtid_purged statement from the dump file.
- E. Remove the @@GLOBAL.gtid_executed statement from the dump file.
- F. Restore using the --set-gtid-purged=OFF option.
Answer: C,D
NEW QUESTION 58
Which command enables rule-based MySQL Auditing capabilities?
- A. mysql> INSTALL PLUGIN audit_log;
- B. shell> mysqld --initialize --log-raw=audit.log
- C. mysql> INSTALL COMPONENT audit_log;
- D. shell> mysql < audit_log_filter_linux_install.sql
Answer: D
Explanation:
Explanation/Reference: https://dev.mysql.com/doc/mysql-security-excerpt/5.7/en/audit-log-filtering.html
NEW QUESTION 59
Examine this query and output:
Which two statements are true? (Choose two.)
- A. The countrytable is accessed as the first table, and then joined to the city table.
- B. The query returns exactly 125 rows.
- C. The optimizer estimates that 51 rows in the countrytable have Continent = ‘Asia’.
- D. It takes more than 8 milliseconds to sort the rows.
- E. 35 rows from the city table are included in the result.
Answer: C,E
NEW QUESTION 60
Which three are characteristics of a newly created role? (Choose three.)
- A. It is stored in the mysql.role table.
- B. It can be protected with a password.
- C. It can be granted to user accounts.
- D. It can be dropped using the DROP ROLE statement.
- E. It is created as a locked account.
- F. It can be renamed using the RENAME ROLE statement.
Answer: B,C,D
NEW QUESTION 61
You must run multiple instances of MySQL Server on a single host.
Which three methods are supported? (Choose three.)
- A. Use resource groups to lock different instances on separate CPUs.
- B. Use systemd with different settings for each instance.
- C. Start mysqld or mysqld_safe using different option files for each instance.
- D. Run MySQL Server docker containers.
- E. Run mysqld with --datadir defined for each instance.
- F. Use system tools to lock each instance to its own CPU.
Answer: B,C,E
NEW QUESTION 62
......
Oracle 1z1-908 Real 2022 Braindumps Mock Exam Dumps: https://examsboost.realexamfree.com/1z1-908-real-exam-dumps.html
