中文版：我需要掌握一些IT英语词汇，请给我提供一些与信息技术有关的单词和短语，并告诉我如何记忆和使用它们。请按照技术领域（如编程、网络、数据库、安全）分类整理，附上音标和例句。

英文版：I need to master some IT English vocabulary. Please provide me with some words and phrases related to information technology, and tell me how to memorize and use them. Please categorize by technical field (such as programming, networking, databases, security), and attach phonetic symbols and example sentences.

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