FE Electrical & Computer · Computer Networks

FE Computer Networks Practice Questions

Solve FE-style Computer Networks questions and learn the reasoning behind each answer through interactive engineering cases.

Interactive problems•Reasoning explained•Solutions included

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E-040 · FE ELECTRICAL & COMPUTER Computer Networks

The Router That Ignored the Shorter-Looking Route

Two routes matched the destination. The router chose the more specific prefix, not the visually simpler route.

Longest Prefix Match Intermediate 5–10 min

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PRACTICE SET

FE Computer Networks Practice Questions

Choose a question and solve it before reading the final engineering verdict.

E-040Computer Networks

The Router That Ignored the Shorter-Looking Route

Two routes matched the destination. The router chose the more specific prefix, not the visually simpler route.

Longest Prefix Match5–10 min

E-039Computer Networks

The 1500-Byte Packet That Did Not Arrive in 12 Microseconds

Serialization took only 12 microseconds. The fiber path added another 500 microseconds.

Network Delay Components5–10 min

E-038Computer Networks

The /27 Network That Could Not Fit 40 Devices

The subnet looked large enough from the address range. The usable host count said otherwise.

Ipv4 Subnetting Host Capacity5–10 min

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What should I practice in FE Computer Networks?

Practice the calculations, assumptions, constraints, and failure modes that appear around this topic. Each question here is designed to test whether you can apply the concept when the obvious calculation is not the whole engineering decision.