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H19-410_V1.0 · Question #322

High-speed toll data, monitoring data, business calls, etc. require high security. Low-latency services are recommended to be carried on soft pipes to ensure business security through logical…

The correct answer is B. False. Option B is correct because high-security services - such as toll data, surveillance/monitoring feeds, and sensitive business communications - should be carried on hard pipes (dedicated physical channels), not soft pipes. Hard pipes provide physical isolation, which offers a…

Transmission Network Fundamentals

Question

High-speed toll data, monitoring data, business calls, etc. require high security. Low-latency services are recommended to be carried on soft pipes to ensure business security through logical isolation.

Options

  • ATrue
  • BFalse

How the community answered

(40 responses)
  • A
    25% (10)
  • B
    75% (30)

Explanation

Option B is correct because high-security services - such as toll data, surveillance/monitoring feeds, and sensitive business communications - should be carried on hard pipes (dedicated physical channels), not soft pipes. Hard pipes provide physical isolation, which offers a fundamentally stronger security guarantee than the logical isolation that soft pipes rely on.

Option A is wrong because it conflates logical isolation with genuine security. Soft pipes are virtual/logical channels that still share physical infrastructure, making them vulnerable to side-channel attacks, misconfiguration, or co-tenant interference - unacceptable for high-sensitivity traffic.

The statement also incorrectly applies a "low-latency" framing to justify soft pipes; while soft pipes can reduce latency through flexible scheduling, latency optimization is a separate concern from security classification and does not override the requirement for physical isolation on sensitive services.

Memory tip: Think "hard data, hard pipe." When traffic is classified as high-security or sensitive (financial, surveillance, enterprise voice), it demands hard-pipe physical separation - not just a logical fence. If the question says soft pipes are sufficient for high-security traffic, the answer is almost always False.

Topics

#Soft pipes vs hard pipes#Transmission security#Logical isolation#Service SLA requirements

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