Why is traffic across a packet switched network difficult to monitor?

Question

Options

• APackets are link encrypted by the carrier
• BGovernment regulations forbids monitoring
• CPackets can take multiple paths when transmitted
• DThe network factor is too high

• C
  95% (21)
• D
  5% (1)

Explanation

Packet-switched networks split data into individual packets that are routed independently, meaning any single conversation or file transfer may have its packets travel across dozens of different physical paths before reassembling at the destination - making it nearly impossible for a single monitoring point to capture all traffic.

Why the distractors are wrong:

• A - Carriers do not universally link-encrypt packets; much traffic is unencrypted or encrypted end-to-end by the application, not the carrier. Encryption is a separate concern from monitoring difficulty.
• B - No such universal government prohibition exists; in fact, many regulations require monitoring capabilities (e.g., CALEA in the US).
• D - "Network factor" is not a real networking term - this is a nonsense distractor designed to catch guessers.

Memory tip: Think of packet switching like mailing a book one page at a time using different postal routes - a single postal inspector at one location can't read the whole book because the pages went different ways. That's why monitoring is hard.

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