Exam Name: MySQL 5.7 Database Administrator (1Z0-888日本語版)
Certification Provider: Oracle
Corresponding Certification: MySQL Database Administration
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Oracle 1Z0-888日本語 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | MySQL 5.7 Database Administrator |
| Exam Number: | 1Z0-888 |
| Exam Duration: | 120 minutes |
| Certificate Validity Period: | Lifetime (no expiration) |
| Exam Format: | Single-choice multiple-choice, Multiple-response multiple-choice |
| Real Exam Qty: | 75 |
| Available Languages: | Simplified Chinese, English, Japanese |
| Passing Score: | 58% |
| Exam Price: | USD $245 |
| Related Certifications: | Oracle Certified Professional, MySQL 8.0 Database Administrator (1Z0-908) |
| Recommended Training: | MySQL 5.7 Database Administrator Training MySQL 5.7 Reference Manual |
| Exam Registration: | Pearson VUE Registration Oracle University Exam Page |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | In-person at Pearson VUE test centers or online proctored exam |
| Pre Condition: | No mandatory prerequisite exams; recommended 6-12 months hands-on experience with MySQL 5.7 |
| Official Syllabus URL: | https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&p_exam_id=1Z0_888 |
Oracle 1Z0-888日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| User and Access Management | 10% | - Create, modify, and delete user accounts - Authentication plugins and password policies - Understand MySQL privilege system - Grant/revoke privileges and reset root password |
| Replication and High Availability | 15% | - Troubleshoot replication errors and conflicts - Understand replication architecture and components - Monitor replication status and health - Configure and manage replication topologies |
| Backup and Recovery | 15% | - Validate and restore backups - Use mysqldump, raw backups, and binary logs - Design backup strategies - Perform point-in-time recovery |
| MySQL Architecture and General Administration | 15% | - Understand MySQL architecture and request processing - Understand storage engines, tablespaces, redo/undo logs - Manage system variables and configuration files - Install and configure MySQL Server |
| Monitoring and Maintaining System Stability | 15% | - Monitor using logs, status variables, and Performance Schema - Troubleshoot slowdowns and server issues - Capacity planning and server stability - InnoDB crash recovery and maintenance |
| Performance and Query Optimization | 15% | - Use EXPLAIN and query execution plans - Index design, statistics, and maintenance - Optimize server configuration and memory usage - Identify and analyze slow queries |
| MySQL Security | 15% | - Encryption and secure connections - Identify security vulnerabilities and risks - Network and operating system security - Prevent SQL injection and harden configuration |
1Z0-888日本語 Exam FAQ: Study Options and Service
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Register when your spare-time practice sessions are producing consistently strong results.
No mandatory prerequisite exams; recommended 6-12 months hands-on experience with MySQL 5.7
The official outline divides the 1Z0-888日本語 exam into weighted domains, including:
- Replication and High Availability (15%)
- User and Access Management (10%)
- Performance and Query Optimization (15%)
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Passing the 1Z0-888日本語 exam requires 58%, and registration costs USD $245. Smart preparation is simply the strategy of protecting that fee with practice that mirrors the real thing.
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Oracle MySQL 5.7 Database Administrator (1Z0-888日本語版) Sample Questions:
mysqldumpslowの出力を調べます。
遅いクエリを説明できる2つのオプションはどれですか。
- A. テーブルロックにより遅延が発生しています。
- B. クライアントとサーバー間でネットワークが混雑しています。
- C. 全表スキャンを実行中です。
- D. まだ実行中の108のクエリがあります。
- E. フィルタ対象列にインデックスが定義されていません。
Correct Answer: B,C 🗳️
グループレプリケーションの競合解決を監視するための最善の方法は何ですか？
- A. INFORMATION_SCHEMAテーブル
- B. SHOW PROCESSLISTコマンド
- C. INNODBロックモニターの詳細
- D. PERFORMANCE_SCHEMAテーブル
- E. SHOW STATUSコマンド
Correct Answer: D 🗳️
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パフォーマンススキーマを使用して、単一のマスターを持つスレーブでのレプリケーションを調査しています。
オプションslave-parallel-typeはDATABASEに設定されています。
すべてのインスツルメントとコンシューマーが有効になっていて、すべてのスレッドがインストルメントされていると想定します。与えられた出力から結論できる2つの事実はどれですか？
- A. スレーブはslave_parallel_workers = 4で構成されています
- B. THREAD_ID21の実行が停止しました。
- C. スレーブは、すべてのスレッドを使用するのに十分な速度でリレーログを処理できません。
- D. サーバーは、すべてのスレーブスレッドを使用するためにより多くのコアを必要とします。
- E. 軟膏には、2つの中間リレースレーブが接続されています。
- F. 最大で2つのスキーマが同時に更新されています。
Correct Answer: A,C 🗳️
my.cnf構成ファイルには次のものがあります。
[mysqld]
default_authentication_plugin = sha256_password
IPアドレス192.0.2.10から接続する新しいユーザーを作成し、ユーザーアカウントのパスワードにSHA-256ハッシュを実装する認証プラグインを使用する必要があります。 SHA_256パスワードハッシュを使用してimbatmanのパスワードでこのIPアドレスのwebdesignという名前のユーザーを作成する2つのステートメントはどれですか？
- A. 「imbatman」を使用して「webdesign」として識別されたsha256_password `sha256_user'@'192.0.2.10 'でユーザーを作成します。
- B. CREATE USER `webdesign '@' 192.0.2.10'IDENTIFIED BY` iambatman ';
- C. CREATE USER `webdesign '@' 192.0.2.10'SHA265によって` imbatman 'として識別されます。
- D. CREATE USER `webdesign '@' 192.0.2.10'IDENTIFIED WITH sha256_password BY` imbatman ';
- E. SHA265BYを使用してmysql_native_passwordでユーザー `webdesign'@'192.0.2.10 'を作成します
`imbatman '; - F. CREATE USER `webdesign '@' 192.0.2.10'IDENTIFIED AS sha256_user WITH sha256_password
`imbatman ';
Correct Answer: B,C 🗳️
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2つのシステム変数をクエリするには、このステートメントを実行して、次の結果を取得します。
次の2つのステートメントを実行すると、最初のステートメントのみが成功します。
SET @@ autocommit = 0;
SET @@ max_connections = 200;
2番目のステートメントが失敗するのはなぜですか？
- A. max_connectionsは、間接的にのみ設定できる派生変数です。
- B. max_connectionsは、サーバーの起動時にオプションファイルで設定する必要があります。
- C. max_connectionsは、ローカルではなくグローバルに設定する必要があります。
- D. max_connectionsは、動的に設定できない読み取り専用変数です。
Correct Answer: B 🗳️
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