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Snowflake COF-C03日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Semi-Structured Data | 10% | - VARIANT data type - Parsing and flattening semi-structured data - Array and object operations |
| Topic 2: Security & Access Control | 10% | - Masking policies - Row-level and column-level security - Authorization (roles, privileges) - Governance best practices - Authentication (SSO, MFA) |
| Topic 3: Virtual Warehouses | 15% | - Warehouse creation and configuration - Cache concepts (warehouse, result, metadata) - Warehouse monitoring and troubleshooting - Multi-cluster warehouses - Warehouse sizing and scaling |
| Topic 4: Databases, Tables & Views | 18% | - Column types and sequences - Views (standard, materialized, secure) - Clustering and micro-partitions - Table types (permanent, transient, temporary) - Data manipulation (DML operations) - Stored procedures and UDFs |
| Topic 5: Cloud Platform Overview & Snowflake Key Concepts | 8% | - Snowflake editions and features - Virtual warehouse concepts and credit usage - Snowflake architecture layers (storage, compute, services) |
| Topic 6: Performance Optimization & Monitoring | 4% | - Query history and monitoring - Query profiling and performance tuning - Resource optimization techniques |
| Topic 7: Data Loading & Unloading | 15% | - Data ingestion best practices - Continuous loading with Snowpipe - File formats (JSON, CSV, Parquet, AVRO) - Data unloading and staging - Bulk loading with COPY command |
| Topic 8: Data Sharing | 12% | - Shares and reader accounts - Private sharing vs. Data Exchange - Data listing marketplace - Reader account management |
| Topic 9: Account Objects | 8% | - Warehouses, databases, and schemas hierarchy - Resource monitors - Organizations and accounts structure |
| Topic 10: Time Travel & Cloning | 10% | - Zero-copy cloning - Time travel concepts and retention - Fail-safe concepts - UNDROP and historical data access |
Snowflake SnowPro® Core Certification (COF-C03日本語版) Sample Questions:
Question 1
どの仮想倉庫構成において、最大クラスター数と最小クラスター数が等しくなければならないか？
A. 自動スケールモード
B. 標準スケーリングポリシー
C. 最大化モード
D. 経済規模拡大政策
Question 2
ユーザーが追加のマルチクラスタを遅延なく再開できるようにしたい場合、仮想倉庫はどのように構成すべきでしょうか？
A. 最小クラスターと最大クラスターを自動スケーリングするように設定します
B. 倉庫を通常必要とされるサイズよりも大きく設定する
C. 経済倉庫のスケーリングポリシーを使用する
D. 標準の倉庫スケーリングポリシーを使用する
Question 3
Snowflakeのどのコマンドを使用して、クエリの結果を単一のファイルに書き出すことができますか？
A. COPY INTO <internal stage> を SINGLE = TRUE で使用し、その後 GET コマンドを実行してファイルをダウンロードします。
B. COPY INTO <外部ステージ> を SINGLE = TRUE で使用し、その後 PUT コマンドを使用してファイルをダウンロードします。
C. COPY INTO <外部ステージ> の後に GET コマンドを使用してファイルをダウンロードします。
D. COPY INTO <内部ステージ> の後に put コマンドを使用してファイルをダウンロードします。
Question 4
外部テーブルに対して実行されるクエリのパフォーマンスを向上させるには、どのような方法が利用できますか？
A. クラスタリングキー
B. 実物大ビュー
C. クエリ高速化サービス
D. 検索最適化サービス
Question 5
Document AIにアクセスするために必要な役割はどれですか？2つ選択してください。
A. ドキュメントインテリジェンスクリエーター
B. オブジェクトビューア
C. システム管理者
D. アカウント管理者
E. 公開
Solutions:
| Question 1 Answer: C | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: B | Question 5 Answer: A,D |
