OSI model, ports and protocols, network topologies, cloud concepts and common service protocols.
41 cards · basic cards · AI-written, checked twice. Edit anything.
- What does OSI stand for?
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Open Systems Interconnection- How many layers are in the OSI model?
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Seven- Which OSI layer deals with the transmission of raw bits over physical media?
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Layer 1, the Physical layer- Which OSI layer uses MAC addresses to forward frames between devices on the same network segment?
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Layer 2, the Data Link layer- Which OSI layer is responsible for logical addressing and routing between networks?
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Layer 3, the Network layer- What does the Transport layer (Layer 4) do?
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Provides end-to-end communication and data delivery services using TCP or UDP- Which OSI layer manages the establishment, maintenance, and termination of conversations?
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Layer 5, the Session layer- The Presentation layer (Layer 6) handles ____, compression, and data translation.
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encryption- Which OSI layer provides user applications and services like HTTP, DNS, and FTP?
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Layer 7, the Application layer- What is the Protocol Data Unit (PDU) at the Data Link layer called?
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A frame- HTTP uses port ____
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80- HTTPS uses port ____
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443- FTP uses port ____
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21- SSH uses port ____
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22- Telnet uses port ____
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