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Test your basic knowledge |
Data Backup And Recovery
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 38 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Text backups are _____ so the text backup made on one machine can be reloaded into the MySQl server on another machine - regardless of architecture
binary portability for InnoDB
destination server
mysqlhotcopy world./Country/ /var/archiv
portable
2. To force the use of lowercase database and table names what option can you set and what value specifically must you give it?
lower_case_table_names=1
mysqlhotcopy world./Country/ /var/archiv
portable
textual backup
3. What table types does mysqlhotcopy work for?
binary portability for MyISAM
binary portability for InnoDB
tablespace
MyISAM
4. Allows you to take a binary backup that was made on one machine and use it on another machine that has a different architecture
binary portability
InnoDB Hot Backup
text backup
exact copies
5. Contains a record of data changes - make backups regularyly - enable this so you have a record of changes made after a given backup
binary log
machine independent
lower_case_table_names=1
copy command (cp or tar)
6. For a tab-delimited data file made with mysqldump using the --tab option - where does the server write the file?
SELECT ... INTO OUTFILE
InnoDB Hot Backup
binary portability for InnoDB
server host
7. During text backups the _____ must be running because it must read the files that are to be backed up
tablespace
server
modify
binary portability
8. A binary backup that makes a complete InnoDB backup (a backup of all tables in the InnoDB tablespace) is based on __________ of all files that InnoDB uses to manage the tablespace
InnoDB Hot Backup
MySQL server
exact copies
slower
9. For SQL-format dump files that contain CREATE TABLE and INSERT statements for re-creating the tables - server sends table contents to mysqldump which writes the files on the ___________
machine independent
binary portability for MyISAM
client host
Restoration
10. What are the two backup formats?
InnoDB Hot Backup
binary backup
lower_case_table_names=1
binary and textual
11. Binary backups are less general because they are dependent upon what storage engines was used to create the tables and generally can only be used for the local _______
mysqlhotcopy
lower_case_table_names=1
MySQL server
mysqlhotcopy world./Country/ /var/archiv
12. If a binary backup is to be used to transfer databases to another machine - the backup must have ____________
binary portability
storage engine
Unix and Netware
textual backup
13. Portability of an InnoDB tablespace is dependent upon all individual InnoDB tables within the ________ must be portable; If one isn't - the entire tablespace is not binary portable
tablespace
mysqldump
destination server
client host
14. What does mysqlhotcopy run on?
file-locking behavior
binary portability
tablespace
Unix and Netware
15. It is ________ to make a text backup because the server must read tables(which involves the overhead of interpreting their contents) and then either write the contents out to disk files itself or send the contents to a client program that writes the
mysqldump
slower
mysqlhotcopy world /var/archive
machine independent
16. Binary portability means that binary backup files are ___________ and you can directly copy them from one MySQl server to another on a different and the second server will access them with no problems
lower_case_table_names=1
server
machine independent
storage engine
17. Backups can be made by copying files directly or by using programs such as __________ - mysqlhotcopy - and InnoDB Hot Backup
mysqlhotcopy
MyISAM
mysqldump
must be copied
18. ______ from a binary backup: copy the files back to their original locations
MySQL server
Restoration
server host
internal structure
19. A Perl script that copies tables to a backup directory; requires the DBI module to be installed
mysqlhotcopy
slower
text backup
internal structure
20. mysqlhotcopy command to backup only the tables in the world database who name contains Country
copy command (cp or tar)
binary and textual
mysqlhotcopy world./Country/ /var/archiv
mysqlhotcopy
21. mysqlhotcopy command to backup the world database to a directory named world /var/archive directory
mysqlhotcopy world /var/archive
binary portability
portable
mysqlhotcopy world./Country/ /var/archiv
22. If conditions for binary portability are not satisfied - you can copy MyISAM and InnoDB table from one server to another: dump them using some text format(can use mysqldump) and reloading them into the ____________
SELECT...INTO OUTFILE SQL statement or mysqldump
client host
destination server
slower
23. It is faster to make binary backups because it involves only file copy operations that need not know the ________ of the file
file-locking behavior
binary and textual
internal structure
destination server
24. What techniques are used for making text backups?
text backup
SELECT...INTO OUTFILE SQL statement or mysqldump
Unix and Netware
mysqlhotcopy
25. What program can be used to make binary InnoDB backups
portable
mysqlhotcopy
InnoDB Hot Backup
machine independent
26. An alternative to making a binary backup - can be useful for copying individual InnoDB tables from one server to another or if conditions for binary portability are not satisfied. also can be used to add tables from one tablespace to another
binary portability for MyISAM
dumping table contents to text format (using mysqldump)
modify
storage engine
27. You can directly copy the tablespace files from a MySQL server on one machine to another server on a different machine and the second server will be able to access the tablespace
mysqlhotcopy
binary portability for InnoDB
internal structure
binary log
28. Text backup procedures are more general because they can be used for tables created by any __________
copy command (cp or tar)
storage engine
portable
binary portability for MyISAM
29. This statement writes the contents of an arbitrary result set to a disk file on the server host
storage engine
SELECT ... INTO OUTFILE
portable
destination server
30. What mysql client program allows you to make binary MyISAM backups by doing the locking and flushing for you?
file-locking behavior
mysqlhotcopy
MySQL server
slower
31. You can directly copy the files for a MyISAM table from one MySQL server to another on a different machine and the second server will be able to access the table
lower_case_table_names=1
binary portability for MyISAM
Unix and Netware
dumping table contents to text format (using mysqldump)
32. A copy of the files in which database contents are stored; copying these files preserves the database in exactly the same format in which MySQL itself stores them on disk
file-locking behavior
slower
text backup
binary backup
33. With binary backup methods - it is important to make sure that the server does not ________ the files while the backup is in progress
machine independent
slower
SELECT...INTO OUTFILE SQL statement or mysqldump
modify
34. To make a binary backup: using the ______________ - mysqlhotcopy - or InnoDB Hot Backup
copy command (cp or tar)
binary portability
lower_case_table_names=1
binary portability for MyISAM
35. Restoration from a __________: loading the file contents back into databases by processing them through the server
must be copied
portable
internal structure
textual backup
36. A dump of database contents into text files
text backup
textual backup
tablespace
slower
37. On Windows this influences file copying during a binary MyISAM backup - It is such that you might not be able to copy table files for tables that are locked by the server. In these cases - you must stop the server before copying the table files
file-locking behavior
binary and textual
machine independent
destination server
38. Files that _________ when making a binary backup: .frm - .MYD - and .MYI files that MySQL uses to represent the table - stop the server while copying the tables - leave the server running - but be sure to use an appropriate locking protocol to preve
copy command (cp or tar)
must be copied
modify
server host