Explanation

• The Network Layer is responsible for routing data packets between networks.
• It is the 3rd layer of the OSI model.
• It determines the best path for data transmission.
• Routers mainly operate at the Network Layer.

Additional information:

• The Internet Protocol (IP) works at the Network Layer.
• The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

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Explanation

• A USB Flash Drive is commonly used to copy files from one computer to another.
• It is a portable storage device that connects through a USB port.
• It allows easy transfer and backup of data.
• It is widely used because it is small, fast, and reusable.

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Explanation

• LLM (Large Language Model) belongs to the field of Artificial Intelligence (AI).
• It is designed to understand and generate human language.
• LLMs use Natural Language Processing (NLP) techniques.
• They are trained on large amounts of text data.
• LLMs are used in chatbots, translation, writing, and coding assistance.

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Explanation

• RAM and Cache are volatile memories.
• It means their data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.
• RAM is used for running programs and storing temporary data.
• Cache is a high-speed memory that stores frequently used data for the CPU.

Additional information:

• ROM is non-volatile and retains data without power.

Last verified on 16-02-2026

Explanation

• Ctrl + K → Insert Hyperlink

Additional information:

• Ctrl + P → Print
• Ctrl + F2 → Print Preview
• Ctrl + H → Replace dialog box
• Ctrl + D → Font dialog box

Last verified on 06-07-2026