[2021] Pass Oracle 1z1-908 Exam Updated 86 Questions
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What is the duration, language, and format of Oracle 1Z0-908: MySQL 8.0 Database Exam
- The type of questions is Multiple Choice Questions.
- There is a time limit of 140 minutes for the exam.
- Section 2: 45%
- This exam is offered in only English.
- Section 3: 33%
- Certification Validity period: 3 years.
- Section 1: 60%
- Passing score:
- This exam consists of 90 questions.
Oracle database certifications require periodic recertification. To hold your certification inactive condition, you must update to the new edition within 1 year of Oracle’s credential withdrawal.
How much Oracle 1Z0-908: MySQL 8.0 Database Exam Cost
The price of the Oracle 1Z0-908 Exam is USD 245, for more information related to the Oracle 1Z0-908 Exam please visit Oracle website.
NEW QUESTION 24
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 restart the server.
- B. Set binlog_expire_logs_seconds in my.cnf.
- C. Set binlog_expire_logs_seconds = 0 in my.cnf and restart the server.
- 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 PERSIST binlog_expire_logs_seconds=<value>.
Answer: A,F
NEW QUESTION 25
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 26
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 27
You plan to install MySQL Server by using the RPM download.
Which two statements are true? (Choose two.)
- A. You must manually initialize the data directory.
- B. The functionality is split among several RPM package files.
- C. MySQL uses the RPM relocatable installation target feature.
- D. The MySQL RPM package installation supports deploying multiple MySQL versions on the same host.
- E. You can provide the root password interactively.
- F. You can find the root password in the error log after the first start.
Answer: D,F
NEW QUESTION 28
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 29
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 non-active binary logs are removed from the master.
- C. All details regarding deleted logs and master metadata are captured in the output file.
- D. All binary logs are deleted from the master.
- E. All databases, excluding master metadata, are backed up to the output file.
- F. All binary logs are backed up and then deleted.
Answer: D,E
NEW QUESTION 30
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 31
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 32
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 = 4
- E. QN = 2
Answer: A,E
NEW QUESTION 33
Which two storage engines provide a view of the data consistent with the storage system at any moment? (Choose two.)
- A. InnoDB
- B. MEMORY
- C. ARCHIVE
- D. NDB
- E. MyISAM
Answer: B,E
NEW QUESTION 34
Which two are contained in the InnoDB system tablespace (ibdata1) by default? (Chose two.)
- A. primary indexes
- B. user privileges
- C. InnoDB Data Dictionary
- D. table data
- E. change buffer
- F. doublewrite buffer
Answer: C,F
NEW QUESTION 35
Examine this command, which executes successfully:
$ mysqlrouter --bootstrap user@hostname:port --directory=directory_path Which activity is performed?
- A. MySQL Router configures itself based on the information retrieved from the InnoDB cluster metadata server.
- B. MySQL Router is configured based on the information in files in directory_path.
- C. MySQL Router configures all the cluster nodes based on the information retrieved from the InnoDB cluster metadata server.
- D. MySQL Router is restarted.
Answer: A
Explanation:
Explanation/Reference: https://dev.mysql.com/doc/mysql-router/8.0/en/mysqlrouter.html
NEW QUESTION 36
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 37
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. The cluster has built-in high availability and updates group_replication_ip_whitelistto remove the unreachable nodes.
- B. The group replication will buffer the transactions on the online nodes until the unreachable nodes return online.
- C. The cluster will shut down to preserve data consistency.
- D. 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.
- E. A manual intervention to force group members to be only the working two instances is required.
Answer: A,C
NEW QUESTION 38
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 39
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. information_schema
- B. mysql
- C. employee
- D. world
- E. sys
Answer: A,E
Explanation:
Explanation/Reference: https://mysqlserverteam.com/introducing-mysqlpump/
NEW QUESTION 40
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