Most Recent Oracle 1Z0-908 Exam Questions & Answers

Prepare for the Oracle MySQL 8.0 Database Administrator exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-908 exam and achieve success.

The questions for 1Z0-908 were last updated on Nov 20, 2024.

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Question No. 1

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.)

Ainnodb_flush_log_at_trx_commit=1

Bbuffer_pool_size=24G

Cinnodb_log_file_size=1G

Dsync_binlog=0

Einnodb_doublewrite=0

Fmax_connections=10000

Ginnodb_undo_directory=/dev/shm

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Correct Answer: A, C, F

Question No. 2

Examine this command, which executes successfully:

cluster.addInstance('@:', {recoveryMethod: 'clone'})

Which three statements are true? (Choose three.)

AThe account used to perform this recovery needs the BACKUP_ADMIN privilege.

BA target instance must exist, then it will be provisioned with data from an instance already in the cluster and joined to the cluster.

CInnoDB tablespaces outside the datadir are able to be cloned.

DIt is always slower than {recoveryMethod: 'incremental'}.

EA new instance is installed, initialized, and provisioned with data from an instance already in the cluster and joined to the cluster.

FInnoDB redo logs must not rotate for the duration of the execution; otherwise, the recovery will fail.

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Correct Answer: A, D, F

Question No. 3

Examine this SQL statement:

Which set of privileges will allow Tom to execute this SQL statement?

AGRANT ALL PRIVILEGES ON 'world'.'city' TO 'tom'@'%';
GRANT SELECT ('code') ON 'world'.'country' TO 'tom'@'%';

BGRANT UPDATE ON 'world'.* TO 'tom'@'%';
GRANT ALL PRIVILEGES ON 'world'.'country' TO 'tom'@'%';

CGRANT UPDATE ON 'world'.'city' TO 'tom'@'%'; GRANT SELECT ON 'world'.* TO 'tom'@'%';

DGRANT UPDATE ON 'world'.'city' TO 'tom'@'%'; GRANT SELECT ON 'world'.'country' TO 'tom'@'%';

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Correct Answer: D

Question No. 4

Examine these commands and output:

Which connection ID is holding the metadata lock?

A20

B24

C21

D25

E22

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Correct Answer: D

Question No. 5

Which two MySQL Server accounts are locked by default? (Choose two.)

Aany user set as DEFINER for stored programs

Bany internal system accounts

Cany new ROLE accounts

Dany user created without a password

Eany user created with a username, but missing the host name

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Correct Answer: A, B

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