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006-002試験はMYSQLのひとつの認証試験でIT業界でとても歓迎があって、ますます多くの人が006-002認証試験に申し込んですがその認証試験が簡単に合格できません。準備することが時間と労力がかかります。でも、JPexamは君の多くの貴重な時間とエネルギーを節約することを助けることができます。
試験番号：006-002問題集
試験科目：Certified MySQL 5.0 DBA Part II
最近更新時間：2014-03-01
問題と解答：全140問
100％の返金保証。1年間の無料アップデート。
「今の生活と仕事は我慢できない。他の仕事をやってみたい。」このような考えがありますか。しかし、どのようにより良い仕事を行うことができますか。ITが好きですか。ITを通して自分の実力を証明したいのですか。IT業界に従事したいなら、IT認定試験を受験して認証資格を取得することは必要になります。あなたが今しなければならないのは、広く認識された価値があるIT認定試験を受けることです。そうすれば、新たなキャリアへの扉を開くことができます。MYSQLの006-002認定試験というと、きっとわかっているでしょう。この資格を取得したら、新しい仕事を探す時、あなたが大きなヘルプを得ることができます。何ですか。自信を持っていないから006-002試験を受けるのは無理ですか。それは問題ではないですよ。あなたはJPexamの006-002問題集を利用することができますから。
MYSQLの006-002認定試験は競争が激しい今のIT業界中でいよいよ人気があって、受験者が増え一方で難度が低くなくて結局専門知識と情報技術能力の要求が高い試験なので、普通の人がMYSQL認証試験に合格するのが必要な時間とエネルギーをかからなければなりません。
JPexamについてどのくらい知っているのですか。JPexamの006-002試験問題集を利用したことがありますか。あるいは、知人からJPexamを聞いたことがありますか。IT認定試験に関連する参考書のプロな提供者として、JPexamは間違いなくあなたが今まで見た最高のサイトです。なぜこのように確かめるのですか。それはJPexamのように最良の006-002試験参考書を提供してあなたに試験に合格させるだけでなく、最高品質のサービスを提供してあなたに100％満足させることもできるサイトがないからです。
006-002認定試験の準備をするために一生懸命勉強して疲れを感じるときには、他の人が何をしているかを知っていますか。あなたと同じIT認定試験を受験する周りの人を見てください。あなたが試験のために不安と感じているとき、どうして他の人が自信満々で、のんびり見ているのでしょうか。あなたの能力は彼らうより弱いですか。もちろんそんなことはないです。では、なぜ他の人が簡単に006-002試験に合格することができるかを知りたいですか。それは彼らがJPexam の006-002問題集を利用したからです。この問題集を勉強することだけで楽に試験に合格することができます。信じないのですか。不思議を思っていますか。では、急いで試してください。まず問題集のdemoを体験することができます。そうすれば、この問題集の品質を確認することができます。はやくJPexamのサイトをクリックしてください。
IT認証試験に合格したい受験生の皆さんはきっと試験の準備をするために大変悩んでいるでしょう。しかし準備しなければならないのですから、落ち着かない心理になりました。しかし、JPexamのMYSQLの006-002トレーニング資料を利用してから、その落ち着かない心はなくなった人がたくさんいます。JPexamのMYSQLの006-002トレーニング資料を持っていたら、自信を持つようになります。試験に合格しない心配する必要がないですから、気楽に試験を受けることができます。これは心のヘルプだけではなく、試験に合格することで、明るい明日を持つこともできるようになります。
購入前にお試し,私たちの試験の質問と回答のいずれかの無料サンプルをダウンロード：http://www.jpexam.com/006-002_exam.html
NO.1 What kind of replication is supported by the MySQL server?
A. Multiple-master replication
B. Master to slave replication
C. Single file based clustering
D. MySQL doesn't support replication
Answer: B
MYSQL参考書 006-002 006-002認定試験 006-002過去問 006-002
NO.2 Which of the following best describe the effects on performance for the dynamic-row format for
MyISAM has?
A. Retrievals are more complex and slower.
B. Retrievals are less complex and are faster.
C. Rows generally take up less disk space than fixed-row format.
D. Rows generally take up more disk space than fixed-row format.
Answer: AC
MYSQL認定証 006-002参考書 006-002 006-002問題集
NO.3 Is it possible to tell the MySQL server to throw an error on division-by-zero rather than converting it to
NULL and a warning?
A. No, it has to be done programmatically.
B. Yes, by updating a system variable.
C. Yes, there is a SQL mode that exists for that.
D. No, division-by-zero is always converted regardless of any setting.
Answer: C
MYSQL 006-002 006-002問題集 006-002認定試験 006-002 006-002認定試験
NO.4 Which of the following would be considered a good candidate table for compression?
A. A table with data that needs only few updates in the future.
B. A table with data that will not be updated in the future.
C. A large table, such as those used for data warehousing.
D. All MyISAM tables are good candidates for compression.
Answer: B
MYSQL 006-002練習問題 006-002 006-002
NO.5 Does max_connections have an affect on the number of slaves that may connect to a master?
A. No, because slaves are not really clients.
B. Yes, because each slave is effectively a connected user.
C. No, because slaves do not use the same type of connection as a regular client.
D. Yes, because if the server has too many connections, it may slow the slaves down.
Answer: B
MYSQL練習問題 006-002 006-002 006-002
NO.6 The stored function year_to_date is created by the 'root'@'localhost' account as follows:
CREATE FUNCTION year_to_date ()
RETURNS DECIMAL(10,2)
SQL SECURITY DEFINER
BEGIN
...
END;
Within the routine body, a number of calculations are made on data in the financials table and the
calculated value is returned. The only account which can access the financials table is 'root'@'localhost'.
If a client connects with the account 'joe'@'localhost' and calls the year_to_date function, what will
happen?
A. The function will not execute, as 'joe'@'localhost' does not have access to the financials table
B. The function will not execute as SQL SECURITY DEFINER has been specified. It would execute if
instead SQL SECURITY INVOKER had been specified
C. The function will always execute as if it was 'root'@'localhost' that invoked it since SQL SECURITY
DEFINER has been specified.
D. If the account 'joe'@'localhost' has the EXECUTE privilege on year_to_date, the function will complete
successfully
Answer: D
MYSQL 006-002 006-002認定試験
NO.7 How can stored routines be used to check for constraints or legality of incoming data?
A. They can make use of the VALIDATE DEFINER setting.
B. They can not be used to check for constraints or legality of data.
C. They can check and only perform an action if the incoming values match a specified value.
Answer: C
MYSQL 006-002参考書 006-002
NO.8 When performing diagnostic functions on a server should excessive start and stop messages be looked
for in the error log, and why?
A. No, start and stop messages are of no relevance to diagnostics.
B. Yes, because there is a bug in mysqld that can cause multiple start and stop messages to be inserted
in the log.
C. No, because they will not provide any information as to what is wrong.
D. Yes, because they can indicate that there is something causing the server to restart unexpectedly and
not due to normal startup and shutdown.
Answer: D
MYSQL認証試験 006-002認定証 006-002 006-002 006-002
NO.9 Which of the following optimizations could be made based on data collected in the slow query log?
A. Tune server parameters.
B. Change the storage engines in use.
C. Make changes to the network infrastructure.
D. Rewrite queries to perform more efficiently.
E. Normalize data or add indexes to the tables that the queries use.
Answer: ABDE
MYSQL 006-002 006-002 006-002認定資格 006-002過去問
NO.10 Assuming that the user account 'joe'@'example.com' exists, executing DROP USER
'joe'@'example.com' has the following consequences:
A. The user account will immediately be removed from the server, if no object-level privileges are in effect
for that account
B. The account will be removed from the server the next time FLUSH PRIVILEGES is executed, if no
object-level privileges are in effect for that account
C. The account and all associated privileges will immediately be removed from the server
D. The user account and all associated privileges will be removed from the server the next time FLUSH
PRIVILEGES is executed.
Answer: C
MYSQL認定資格 006-002 006-002認定資格 006-002認証試験
NO.11 Which of the following best describes what the master.info file contains and how it is used?
A. It contains the values from the CHANGE MASTER statement.
B. When the slave restarts it looks for which master to use from this file.
C. It contains information about the master server, its slaves and its configuration.
D. It is used by an administrator to determine what slaves connect to the master, and other information
about the master server.
Answer: AB
MYSQL認定試験 006-002過去問 006-002 006-002 006-002 006-002認定証
NO.12 In regards to security, which of the following statements are true?
A. mysqld should not be run as root or administrator.
B. mysqld should be run as root or administrator.
C. The user owning the server process should own all files and directories to which the server may write.
D. The root or admininistrator users should own all files related to the server process
Answer: AC
MYSQL 006-002 006-002練習問題 006-002 006-002問題集
NO.13 Which of the following best describes why InnoDB tables should always have primary keys and why
they should be short?
A. Because InnoDB uses primary keys to locate tables, and shorter keys make quicker lookups.
B. Because InnoDB uses primary keys to locate table rows, and shorter keys make quicker lookups.
C. Because InnoDB stores pointers in a log to all the primary keys and shorter keys make this log smaller.
Answer: B
MYSQL参考書 006-002問題集 006-002 006-002
NO.14 The user 'joe' connecting from the host example.com has full access to all databases on the server:
mysql> SHOW GRANTS FOR 'joe'@'example.com';
+----------------------------------------------------+
| Grants for joe@example.com |
+----------------------------------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 'joe'@'example.com' |
+----------------------------------------------------+
1 row in set (0.00 sec)
You need to restrict the user from accessing the mysql database. Will the following statement do this?
REVOKE ALL PRIVILEGES ON mysql.* FROM 'joe'@'example.com'
A. Yes
B. No
C. The answer cannot be determined from the information provided.
Answer: B
MYSQL 006-002 006-002
NO.15 Can multi-column FULLTEXT indexes be used? If so, when?
A. No, they can not be used.
B. Yes, they should be used to search multiple columns simultaneously.
C. Yes, they can be used to search either one or all of the indexed columns.
Answer: B
MYSQL問題集 006-002 006-002認証試験 006-002過去問 006-002認定証
NO.16 What type of resource limitations may be placed on a user account with the GRANT statement?
A. The number of times per hour that an account is allowed to connect to the server
B. The number of queries per hour an account is allowed to issue
C. The number of updates per hour an account is allowed to issue
D. The maximum number of simultaneous connections an account can have
E. Resource limits can only be specified globally, not per-account
F. MySQL does not have provisions for limiting resource usage
Answer: ABCD
MYSQL認証試験 006-002認証試験 006-002認定試験 006-002練習問題
NO.17 In the following query, the Population column is indexed:
mysql> EXPLAIN SELECT Name
-> FROM Country
-> WHERE Code LIKE '%B%' AND Population > 10000
*************************** 1. row ***************************
id: 1
select_type: SIMPLE
table: Country
type: ALL
possible_keys: i_pop
key: NULL
key_len: NULL
ref: NULL
rows: 239
Extra: Using where
Which of the following best describes how to deal with the key value of the EXPLAIN output?
A. Use FORCE KEY
B. Use USE INDEX.
C. Use FORCE INDEX.
D. Use USE POSSIBLE_KEY
Answer: BC
MYSQL認定証 006-002 006-002 006-002認定資格 006-002過去問
NO.18 The type of file system you chose may affect MySQL use and/or performance with regard to...
A. Table opening time.
B. Size limits of files.
C. Time to recover from a crash.
D. The number of users MySQL can handle.
E. The type of storage engines that can be used.
Answer: ABC
MYSQL参考書 006-002練習問題 006-002 006-002 006-002認定証
NO.19 What are reasons to prefer using GRANT and REVOKE statements over editing the privilege tables
directly?
A. Using GRANT and REVOKE allows the server to figure out the right tables and do all the appropriate
work
B. All grant tables in memory are immediately updated on GRANT and REVOKE
C. Making changes directly to the grant tables, one must remember to execute flush privileges to make
the changes take effect
D. GRANT and REVOKE statements allow you to do more fine-grained tuning of user privileges than
does editing the grant tables directly.
E. None of the above
Answer: ABC
MYSQL 006-002参考書 006-002 006-002認定証 006-002過去問
NO.20 Which of the following statements are true of compressed tables?
A. They can be uncompressed.
B. They can not be uncompressed.
C. They can be uncompressed but some data corruption may occur.
Answer: A
MYSQL 006-002 006-002 006-002 006-002練習問題
NO.21 Consider the following EXPLAIN output.
mysql> EXPLAIN SELECT Name FROM City WHERE Population > 8000000
*************************** 1. row ***************************
id: 1
select_type: SIMPLE
table: City
type: ALL
possible_keys: NULL
key: NULL
key_len: NULL
ref: NULL
rows: 4079
Extra: Using where
Which of the following statements are true?
A. The query cannot be optimized any better.
B. No index could be used to perform the query.
C. All 4079 rows of the table need to examined.
D. The Name column should be indexed.
E. The Population column should be indexed.
Answer: BCE
MYSQL 006-002 006-002過去問
NO.22 Which of the following statements best describe the key buffer?
A. It is a global buffer.
B. It is set on a per-connection basis.
C. It caches index blocks for MyISAM tables only.
D. It caches index blocks for InnoDB tables only.
E. It caches index blocks for all storage engine tables.
Answer: AC
MYSQL問題集 006-002認証試験 006-002問題集 006-002認定資格 006-002
NO.23 For which of the following objects can privileges be specified?
A. Host
B. Global
C. Database
D. Table
E. Column
F. Row
Answer: BCDE
MYSQL過去問 006-002認定試験 006-002
NO.24 When working with replication, why might you want to stop the SQL thread on the slave while keeping
the I/O thread running?
A. So that no changes are made while making backups.
B. So that events for the slave do not get backlogged on the master.
C. So that remaining events can be processed while not receiving new events from the master.
Answer: AB
MYSQL認証試験 006-002 006-002参考書
NO.25 Which of the following statements are true regarding the structure of grant tables in new distributions?
A. They change with every upgrade.
B. They are often changed.
C. They remain the same for backwards compatibility.
Answer: B
MYSQL 006-002 006-002参考書 006-002認証試験 006-002認証試験
NO.26 Which of the following statements are true regarding wildcards in the host name of an account
specification?
A. The '%' character is used to match any number of characters or numbers
B. The '*' character is used to match any number of characters or numbers
C. The '_' character is used to match any number of characters or numbers
D. The '.' character is used to match any single character or number
E. Wildcards may be used to match any number of characters at the beginning of the host name or IP
address only
F. Wildcards may be used to match any number of characters at the end of the host name or IP address
only
G. Wildcards may be used to match any number of characters anywhere in the host name or IP address
Answer: AG
MYSQL 006-002 006-002 006-002過去問 006-002過去問 006-002練習問題
NO.27 Which of the following best describes what MASTER_LOG_FILE and MASTER_LOG_POS provides?
A. The path of the log file.
B. The file to log replication actions to.
C. The masters binary log name used for replication.
D. The position in the masters binary log in which to start replication.
Answer: CD
MYSQL認定試験 006-002 006-002認証試験 006-002
NO.28 Which of the following are important network factors for remote MySQL clients?
A. Latency.
B. Firewalls.
C. Throughput speed.
D. The type of routers used.
Answer: AC
MYSQL認定試験 006-002 006-002 006-002 006-002認定証
NO.29 Consider the following:
mysql> EXPLAIN SELECT Name FROM Country WHERE Code = 'CAN'
*************************** 1. row ***************************
id: 1
select_type: SIMPLE
table: Country
type: const
possible_keys: PRIMARY
key: PRIMARY
key_len: 3
ref: const
rows: 1
Extra:
Which of the following best describes the meaning of the value of the type column?
A. The table has exactly one row.
B. Several rows may be read from the table.
C. Only one row of all its rows need to be read.
Answer: C
MYSQL 006-002 006-002
NO.30 Which of the following is/are valid reasons to consider using --skip-networking?
A. Your server is not networked to other servers.
B. You do not have a need for remote clients to connect.
C. You have a need for remote clients to connect.
D. You are not going to use replication or clustering.
Answer: B
MYSQL 006-002 006-002認定資格 006-002
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