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Courses›GATE-CSE›Computer Networks
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Computer Networks — Complete

GATE-CSE42 Tests18 Notes34 Videos
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Overview
CN Mock Test #1 — OSI Model
20 Qs
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CN Mock Test #2 — TCP/IP
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Tests›CN Mock Test #1

Computer Networks — Mock Test #1

1:42:30
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Q 1 of 65 • 2 answered
Question 1 of 65 — Computer Networks
In the OSI model, which layer is responsible for end-to-end communication, error detection/correction, and flow control between two hosts?
Network Layer (Layer 3)
Transport Layer (Layer 4)
Session Layer (Layer 5)
Data Link Layer (Layer 2)
📌 Explanation: The Transport Layer (Layer 4) handles end-to-end communication via TCP (reliable) or UDP (unreliable). It manages error detection, flow control, and segmentation.
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The work done in carrying a charge Q through a potential difference V is given by:
W = QV
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W = V/Q
W = Q²V
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🖼 [Embedded diagram from Word doc — Electric field lines]
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