Which of the following descriptions about the characteristics of load balancing is wrong?

Question

Options

• AManageability: A lot of management work is concentrated on the equipment that should bear a
• BTransparency: For users, a cluster is equivalent to a device or link with high reliability and good
• CHigh-performance load balancing technology distributes business to multiple devices in a more
• DReliability. The failure of multiple devices or links will not cause service interruption, which

• A
  5% (1)
• B
  77% (17)
• C
  5% (1)
• D
  14% (3)

Explanation

Option B contains a flawed definition of transparency in load balancing. True transparency means the load balancing mechanism is invisible to users - they interact with what appears to be a single logical service without any awareness of the underlying cluster or traffic distribution happening behind the scenes. B incorrectly blends transparency with reliability and high performance, which are separate, distinct characteristics.

• A is correct: Manageability is a real characteristic - administration and configuration are centralized on the load balancer, simplifying operations.
• C is correct: High-performance load balancing genuinely distributes traffic across multiple devices more efficiently than a single node could handle.
• D is correct: Reliability is accurately described - load balancers route around failed nodes so service continues uninterrupted.

Memory tip: Think of transparency as a one-way mirror - users see a single service and can't see through to the cluster behind it. It's about invisibility of the architecture, not about quality or uptime (those belong to reliability and performance). When you see an answer mixing transparency with reliability/performance words, that's your red flag.

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