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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. 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 ___________
dumping table contents to text format (using mysqldump)
client host
exact copies
destination server
2. It is faster to make binary backups because it involves only file copy operations that need not know the ________ of the file
MyISAM
internal structure
slower
portable
3. With binary backup methods - it is important to make sure that the server does not ________ the files while the backup is in progress
mysqlhotcopy
Restoration
modify
machine independent
4. What mysql client program allows you to make binary MyISAM backups by doing the locking and flushing for you?
binary portability for InnoDB
SELECT...INTO OUTFILE SQL statement or mysqldump
internal structure
mysqlhotcopy
5. A Perl script that copies tables to a backup directory; requires the DBI module to be installed
exact copies
mysqldump
mysqlhotcopy
mysqlhotcopy world /var/archive
6. During text backups the _____ must be running because it must read the files that are to be backed up
machine independent
binary portability for MyISAM
destination server
server
7. To make a binary backup: using the ______________ - mysqlhotcopy - or InnoDB Hot Backup
exact copies
must be copied
copy command (cp or tar)
Restoration
8. mysqlhotcopy command to backup the world database to a directory named world /var/archive directory
text backup
mysqlhotcopy world /var/archive
mysqlhotcopy
mysqlhotcopy
9. 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 _______
MySQL server
mysqlhotcopy
mysqlhotcopy
mysqlhotcopy world./Country/ /var/archiv
10. Restoration from a __________: loading the file contents back into databases by processing them through the server
exact copies
textual backup
mysqlhotcopy
copy command (cp or tar)
11. 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
slower
binary log
binary portability for InnoDB
Restoration
12. 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
mysqldump
server host
machine independent
storage engine
13. What techniques are used for making text backups?
server host
SELECT...INTO OUTFILE SQL statement or mysqldump
machine independent
lower_case_table_names=1
14. A dump of database contents into text files
SELECT...INTO OUTFILE SQL statement or mysqldump
binary backup
text backup
binary portability for MyISAM
15. 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 MyISAM
portable
text backup
copy command (cp or tar)
16. Contains a record of data changes - make backups regularyly - enable this so you have a record of changes made after a given backup
SELECT...INTO OUTFILE SQL statement or mysqldump
MySQL server
binary log
internal structure
17. mysqlhotcopy command to backup only the tables in the world database who name contains Country
mysqldump
mysqlhotcopy world./Country/ /var/archiv
internal structure
modify
18. What does mysqlhotcopy run on?
Unix and Netware
text backup
must be copied
copy command (cp or tar)
19. 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
binary portability for InnoDB
binary portability for MyISAM
must be copied
textual backup
20. What program can be used to make binary InnoDB backups
portable
InnoDB Hot Backup
mysqldump
must be copied
21. Text backup procedures are more general because they can be used for tables created by any __________
storage engine
SELECT ... INTO OUTFILE
Unix and Netware
binary portability
22. 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
lower_case_table_names=1
destination server
copy command (cp or tar)
23. 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
portable
slower
text backup
24. ______ from a binary backup: copy the files back to their original locations
machine independent
lower_case_table_names=1
Unix and Netware
Restoration
25. This statement writes the contents of an arbitrary result set to a disk file on the server host
binary and textual
SELECT ... INTO OUTFILE
mysqlhotcopy world /var/archive
textual backup
26. 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
binary portability for InnoDB
exact copies
mysqlhotcopy world /var/archive
27. What are the two backup formats?
portable
Unix and Netware
SELECT...INTO OUTFILE SQL statement or mysqldump
binary and textual
28. To force the use of lowercase database and table names what option can you set and what value specifically must you give it?
mysqlhotcopy world./Country/ /var/archiv
lower_case_table_names=1
dumping table contents to text format (using mysqldump)
exact copies
29. 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 backup
dumping table contents to text format (using mysqldump)
client host
destination server
30. For a tab-delimited data file made with mysqldump using the --tab option - where does the server write the file?
MySQL server
server host
mysqlhotcopy
binary portability for InnoDB
31. 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 ____________
mysqldump
InnoDB Hot Backup
binary portability for MyISAM
destination server
32. 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 world./Country/ /var/archiv
mysqlhotcopy
must be copied
binary portability for InnoDB
33. If a binary backup is to be used to transfer databases to another machine - the backup must have ____________
binary log
destination server
internal structure
binary portability
34. Backups can be made by copying files directly or by using programs such as __________ - mysqlhotcopy - and InnoDB Hot Backup
Restoration
binary and textual
mysqldump
dumping table contents to text format (using mysqldump)
35. 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
MyISAM
textual backup
must be copied
storage engine
36. 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
exact copies
Unix and Netware
server host
binary backup
37. What table types does mysqlhotcopy work for?
internal structure
mysqlhotcopy world /var/archive
MyISAM
textual backup
38. 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
machine independent
exact copies
binary backup
mysqlhotcopy world./Country/ /var/archiv