Computer Networks · Switching and Performance Metrics
Official IIT answer key · IIT Roorkee · Audited Aug 2026
GATE CSE 2017 Set 2 Q35 · MCQ · 2 marks
Key concept
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Topic notes
In this topic area within Computer Networks, GATE tests foundational conceptual knowledge through direct 1-mark multiple-choice questions. The questions focus on matching standard network applications to their corresponding underlying transport layer protocols (TCP vs. UDP) and identifying key-usage sequences in secure transmission protocols involving digital signatures and asymmetric encryption. The emphasis is on testing functional understanding of protocol services and layered security mechanisms.
Full Switching and Performance Metrics guide →Consider two hosts X and Y, connected by a single direct link of rate 106 bits/sec. The distance between the two hosts is 10,000 km and the propagation speed along the link is 2 108 m/sec. Host X sends a file of 50,000 bytes as one large message to host Y continuously. Let the transmission and propagation delays be p milliseconds and q milliseconds, respectively. Then the values of p and q are
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