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Oracle 1z0-888 Exam Practice Questions (P. 1)

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Question #1
You have just executed a manual backup by using this command: mysqlbackup –u root –p –-socket=/tmp/my.sock –-backup-dir=/my/backup/ backup
The operation completed without error.
What is the state of this backup and operation required before it is ready to be restored?
  1. A
    Backup State = Compressed Backup
    Operation = copy-back
  2. B
    Backup State = Raw Backup -
    Operation = apply-log
  3. C
    Backup State = Prepared Backup -
    Operation = validate
  4. D
    Backup State = Prepared Backup -
    Operation = apply-log
  5. E
    Backup State = Raw Backup -
    Operation = backupdir-to-image

Correct Answer:
E

Question #2
Which MySQL utility program should you use to process and sort the Slow Query Log based on query time or average query time?
  1. A
    mysqldumpslow
  2. B
    mysqldump
  3. C
    mysqlaccess
  4. D
    mysqlshow
  5. E
    mysqlslow

Correct Answer:
A

Question #3
Consider:

Which statement best describes the meaning of the value for the key_len column?
  1. A
    It shows how many bytes will be used from each index row.
  2. B
    It shows the number of characters indexed in the key.
  3. C
    It shows the total size of the index row.
  4. D
    It shows how many columns in the index are examined.

Correct Answer:
A

Question #4
Examine the mydata table and SELECT statements:

You issue:
mysql> begin;
mysql> update mydata set a=0 where b=3;
How many rows are now protected by locks with the default InnoDB configuration?
  1. A
    one
  2. B
    one row and a next-key lock for supremum
  3. C
    one row and a gap-lock
  4. D
    five

Correct Answer:
D

Question #5
A particular government’s security policy is to have very strict data encryption and safety settings. This is done by restricting access based on their own CA authority and limiting access to particular users within a department. Which method could be used to restrict access as required?
  1. A
    using GRANT … REQUIRE X509 AND REQUIRE ISSUER ‘/C=…..’ AND REQUIRE SUBJECT ‘/C=…..’
  2. B
    using GRANT USAGE, X509, …….ON *.* TO user@remotehost IDENTIFIED BY ‘secret_password’
  3. C
    using GRANT … REQUIRE SSL for a secure connection
  4. D
    using GRANT USAGE, SSL, …..ON *.* TO user@remotehost IDENTIFIED BY ‘secret_password’

Correct Answer:
A

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