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210-255 · Question #20
210-255 Question #20: Real Exam Question with Answer & Explanation
The correct answer is A: source. The source device is the standard networking term for the device that constructs and sends the first packet to initiate a session.
Question
Which network device creates and sends the initial packet of a session?
Options
- Asource
- Borigination
- Cdestination
- Dnetwork
Explanation
The source device is the standard networking term for the device that constructs and sends the first packet to initiate a session.
Common mistakes.
- B. 'Origination' is not a recognized standard networking term for a device role; the correct and universally accepted term for the session-initiating device is 'source'.
- C. The destination device receives the initial packet from the source and responds; it does not create or transmit the session-opening packet.
- D. 'Network' describes the interconnected infrastructure that carries packets between devices and is not a device-role term used to describe session initiation.
Concept tested. Network session initiation - source device role
Reference. https://www.rfc-editor.org/rfc/rfc793
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