Which of the following is not an advantage of cluster load balancing?

Question

Options

• AManageability
• BHigh reliability
• CHigh complexity
• Dhigh performance

• A
  2% (1)
• B
  6% (3)
• C
  85% (44)
• D
  8% (4)

Explanation

Option C is correct because "high complexity" is actually a disadvantage of cluster load balancing - the overhead of coordinating multiple nodes, maintaining state synchronization, and managing failover logic makes clustered systems more difficult to design and troubleshoot.

Why the distractors are wrong:

• A (Manageability) is a genuine advantage: clustering centralizes workload distribution, making it easier to scale and manage resources as a single logical unit rather than individual servers.
• B (High reliability) is a genuine advantage: if one node fails, others automatically absorb its traffic, eliminating single points of failure.
• D (High performance) is a genuine advantage: spreading requests across multiple nodes increases throughput and reduces response times under heavy load.

Memory tip: Think of it as "CAP minus the bad C" - Clusters give you Centralized management, Reliability, and Performance. The only "C" that doesn't belong is Complexity, which is the cost you pay to get those benefits, not a benefit itself.

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