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D481 Physical and Data Link Layers Exam 2025 Questions and Answers

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D481 Physical and Data Link Layers Exam 2025 Questions and Answers

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D481 Physical and Data Link
Layers Exam 2025 Questions and
Answers


OSI Layers (1 to 7) - ANSWER✔✔-Physical, Data Link, Network, Transport, Session,

Presentation, Application


TCP (Transmission Control Protocol) - ANSWER✔✔-A connection-oriented,

guaranteed-delivery


protocol used to send data packets between computers over a network like the Internet.


TCP/IP Model - ANSWER✔✔-Application, transport, Internet, and network interface


OSI Model - ANSWER✔✔-Open Systems Interconnection Model


Circuit Switched - ANSWER✔✔-A network that creates a path between the source and

destination devices


Extranet - ANSWER✔✔-Private network that allows authorized external users to

securely share information

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