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Computer Networks β€” Mock Test #1

1:42:30
Question 1 of 65 β€” 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)
πŸ“Œ 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:
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W = Q/V
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W = QΒ²V
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πŸ–Ό [Embedded diagram from Word doc β€” Electric field lines]
In the above diagram, the electric potential at point P is:
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