Oracle 1z1-908 Test Engine Dumps Training With 86 Questions
1z1-908 Questions Pass on Your First Attempt Dumps for MySQL Database Administration Certified
Difficulty in Writing of Oracle 1Z0-908: MySQL 8.0 Database Exam
Oracle Certified Expert, Oracle 1Z0-908: MySQL 8.0 Database Administrator Certification is not the most difficult Oracle certification test but taking it without any preparation is likely to fail. Therefore, it is highly recommended that candidates should prepare well by taking 1Z0-908 practice exams. Any questions that are left unanswered will be treated as incorrect therefore you should answer all the questions after the examination of 1Z0-908 dumps.
NEW QUESTION 35
An attempt to recover an InnoDB Cluster fails.
Examine this set of messages and responses:
host3:3377 ssl JS > dba.rebootClusterFromCompleteOutage() Reconfiguring the default cluster from complete outage...
The instance 'host1:3377'' was part of the cluster configuration. Would you like to rejoin it to the cluster? [y/N]: y The instance 'host2:3377' was part of the cluster configuration. Would you like to rejoin it to the cluster? [y/N]: y Dba.rebootClusterFromCompleteOutage: The active session instance isn't the most updated in comparison with the ONLINE instances of the Cluster's metadat a. Please use the most up to date instance: 'host1:3377'. (RuntimeError) Which statement is true?
- A. The instance deployed on host3 must be synchronized from a donor deployed on host1 by using the command cluster.addInstance('host1:3377').
- B. It is possible to determine the most up-to-date instance by comparing different global transaction identifier (GTID) sets with GTID_SUBSET(set1,set2).
- C. The instance deployed on host3 must be rebuilt with a backup from the primary instance.
- D. The cluster is running and there is at least one ONLINE instance.
- E. The active session instance is invalid and must be re-created by using the command shell.connect ('host3:3377').
Answer: A
NEW QUESTION 36
You plan to take daily full backups, which include the ndbinfoand sys (internal) databases.
Which command will back up the databases in parallel?
- A. mysqlpump --all-databases > full-backup-$(date +%Y%m%d).sql
- B. mysqldump --all-databases > full_backup-$(date +%Y%m%d).sql
- C. mysqldump --single-transaction > full-backup-$(date +%Y%m%d).sql
- D. mysqlpump --include-databases=% > full-backup-$(date +%Y%m$d).sql
Answer: B
Explanation:
Explanation/Reference: https://mysqlserverteam.com/introducing-mysqlpump/
NEW QUESTION 37
Which two statements are true about the mysql_config_editor program? (Choose two.)
- A. It manages the configuration of user privileges for accessing the server.
- B. It can be used to create and edit SSL certificates and log locations.
- C. It manages the configuration of client programs.
- D. It provides an interface to change my.cnf files.
- E. It can move datadir to a new location.
- F. It will use [client] options by default unless you provide --login-path.
- G. It manages the configuration of the MySQL Firewall feature.
Answer: C,F
NEW QUESTION 38
Which four connection methods can MySQL clients specify with the --protocol option when connecting to a MySQL server? (Choose four.)
- A. IPv6
- B. SOCKET
- C. TCP
- D. MEMORY
- E. DIRECT
- F. PIPE
- G. IPv4
- H. FILE
Answer: B,C,D,F
NEW QUESTION 39
Which three are characteristics of a newly created role? (Choose three.)
- A. It can be granted to user accounts.
- B. It can be renamed using the RENAME ROLE statement.
- C. It can be protected with a password.
- D. It can be dropped using the DROP ROLE statement.
- E. It is created as a locked account.
- F. It is stored in the mysql.role table.
Answer: A,C,D
NEW QUESTION 40
A valid raw backup of the shop.customers MyISAM table was taken.
You must restore the table. You begin with these steps:
1. Confirm that secure_file_priv='/var/tmp'
2. mysql> DROP TABLE shop.customers;
3. shell> cp /backup/customers.MY* /var/lib/mysql/shop/
Which two actions are required to complete the restore? (Choose two.)
- A. shell> cp /backup/customers.sdi /var/lib/mysql/shop/
- B. shell> cp /backup/customers.sdi /var/tmp
- C. mysql> IMPORT TABLE FROM /var/tmp/customers.sdi
- D. mysql> IMPORT TABLE FROM /var/lib/mysql/shop/customers.sdi
- E. shell> cp /backup/customers.frm /var/lib/mysql/shop/
- F. mysql> ALTER TABLE shop.customers DISCARD TABLESPACE
- G. mysql> SOURCE '/var/tmp/customers.sdi'
- H. mysql> ALTER TABLE shop.customers IMPORT TABLESPACE
Answer: C,H
NEW QUESTION 41
Which two queries are examples of successful SQL injection attacks? (Choose two.) SELECT user,passwd FROM members
- A. SELECT id, name FROM user WHERE id=23 OR id=32 OR 1=1;
- B. WHERE user = ‘?’;INSERT INTO members(‘user’,’passwd’) VALUES
(‘[email protected]’,‘secret’);--‘; - C. SELECT email,passwd FROM members
- D. SELECT id, name FROM user WHERE id=23 OR id=32 AND 1=1;
- E. SELECT id, name FROM user WHERE user.id=(SELECT members.id FROM members);
- F. WHERE email = ‘INSERT INTO members(‘email’,’passwd’) VALUES
(‘[email protected]’, ‘secret’);--‘;
SELECT user, phone FROM customers WHERE name = ‘\; DROP TABLE users; --‘;
Answer: C,D
NEW QUESTION 42
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 work.
- B. Replication will fail because the master has already purged transactions with cccccccc-cccc-cccc- cccc-cccccccccccc GTIDs.
- C. Replication will fail because the slave has purged more aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa transactions than the master.
- D. Replication will fail because of inconsistent numbers in cccccccc-cccc-cccc-cccc-cccccccccccc GTIDs.
- 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: C
NEW QUESTION 43
Which two statements are true about InnoDB data-at-rest encryption? (Choose two.)
- A. It supports only non-blob datatypes.
- B. It decrypts data for use in memory.
- C. It enforces encryption from disk to memory and over network transmission.
- D. It supports all indexes transparently.
- E. It does not support the transportable tablespaces feature.
Answer: B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-8.0-en/faqs-tablespace-encryption.html
NEW QUESTION 44
Examine this command, which executes successfull
mysqlbackup --defaults-file=/backups/server-my.cnf --backup-dir=/backups/full copy-back Which statement is true about the copy-back process?
- A. It restores files from the backup directory to their original MySQL server locations.
- B. The copy-back process makes inconsistent backups.
- C. The copy-back process is used to overwrite a new backup over an existing backup.
- D. It restores files from the data directory to their original MySQL server locations.
Answer: A,C
NEW QUESTION 45
Which three are characteristics of a newly created role? (Choose three.)
- A. It can be granted to user accounts.
- B. It can be renamed using the RENAME ROLEstatement.
- C. It can be protected with a password.
- D. It is created as a locked account.
- E. It is stored in the mysql.roletable.
- F. It can be dropped using the DROP ROLEstatement.
Answer: A,C,F
Explanation:
Explanation/Reference:
NEW QUESTION 46
The data in this instance is transient; no backup or replication will be required. It is currently under performing.
* The database size is static and including indexes is 19G.
* Total system memory is 32G.
After profiling the system, you highlight these MySQL status and global variables:
The OS metrics indicate that disk is a bottleneck.
Other variables retain their default values.
Which three changes will provide the most benefit to the instance? (Choose three.)
- A. innodb_log_file_size=1G
- B. innodb_flush_log_at_trx_commit=1
- C. sync_binlog=0
- D. innodb_undo_directory=/dev/shm
- E. max_connections=10000
- F. buffer_pool_size=24G
- G. innodb_doublewrite=0
Answer: A,B,E
Explanation:
Explanation/Reference: https://aws.amazon.com/blogs/database/best-practices-for-configuring-parameters-for-amazon- rds-for-mysql-part-1-parameters-related-to-performance/
NEW QUESTION 47
Examine this query:
What information does this query provide?
- A. total memory used by thread number 10
- B. total memory used across all connections associated with the user on connection number 10
- C. total memory used by connection number 10
- D. total memory used across all connections associated with the user on thread number 10
- E. total memory used by the first 10 connections
- F. total memory used by the first 10 threads
Answer: C
NEW QUESTION 48
Which two MySQL Shell commands are excluded from the InnoDB Cluster creation procedure? (Choose two.)
- A. dba.createCluster()
- B. cluster.addInstance()
- C. cluster.setPrimaryInstance()
- D. dba.configureLocalInstance()
- E. dba.configureInstance()
- F. dba.checkInstanceConfiguration()
- G. cluster.forceQuorumUsingPartitionOf()
Answer: C,G
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-shell-8.0-relnotes-en/news-8-0-16.html
NEW QUESTION 49
A MySQL server is monitored using MySQL Enterprise Monitor's agentless installation.
Which three features are available with this installation method? (Choose three.)
- A. disk usage and disk characteristics including disk advisors warnings
- B. operating system memory utilization
- C. security-related advisor warnings
- D. CPU utilization
- E. MySQL Replication monitoring
- F. network-related information and network characteristics
- G. MySQL Query Analysis data
Answer: A,C,G
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. UDP
- B. X Protocol
- C. shared memory
- D. SOCKET
- E. named pipes
- F. TCP/IP
Answer: C,E,F
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-8.0-en/mysql-installer-workflow.html
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. VERIFY_CA
- B. PREFERRED
- C. VERIFY_IDENTITY
- D. REQUIRED
Answer: D
NEW QUESTION 52
You plan to take daily full backups, which include the ndbinfo and sys (internal) databases.
Which command will back up the databases in parallel?
- A. mysqlpump --all-databases > full-backup-$(date +%Y%m%d).sql
- B. mysqldump --all-databases > full_backup-$(date +%Y%m%d).sql
- C. mysqldump --single-transaction > full-backup-$(date +%Y%m%d).sql
- D. mysqlpump --include-databases=% > full-backup-$(date +%Y%m$d).sql
Answer: B
NEW QUESTION 53
Examine this command and output:
Which two options will improve the security of the MySQL instance? (Choose two.)
- A. Remove the world read/execute privilege from the accounting directory.
- B. Change the group ownership of the mysql directory to the mysql user group.
- C. Remove group read/write privileges from the private_key.pem file.
- D. Remove world read privileges from the server-cert.pem certificate file.
- E. Change the parent directory owner and group to mysql.
- F. Remove world read privileges from the public_key.pem file.
Answer: B,E
NEW QUESTION 54
You reconfigure and start a slave that was not replicating for several days.
The configuration file and CHANGE MASTERcommand are correct.
Examine the GTID information from both master and slave:
Which statement is true?
- A. Replication will work.
- B. Replication will fail because the master has already purged transactions with cccccccc-cccc-cccc- cccc-ccccccccccccGTIDs.
- C. Replication will fail because the slave has purged more aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa transactions than the master.
- D. Replication will fail because of inconsistent numbers in cccccccc-cccc-cccc-cccc-cccccccccccc GTIDs.
- E. Replication will fail because the master does not have the required transaction with bbbbbbbb-bbbb- bbbb-bbbb-bbbbbbbbbbbbGTIDs in its binary logs.
Answer: C
Explanation:
Explanation/Reference: https://bugs.mysql.com/bug.php?id=86643
NEW QUESTION 55
Which three settings control global buffers shared by all threads on a MySQL server? (Choose three.)
- A. tmp_table_size
- B. table_open_cache
- C. innodb_buffer_pool_size
- D. key_buffer_size
- E. sort_buffer_size
- F. read_buffer_size
Answer: A,D,E
NEW QUESTION 56
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