Which aspect of network design facilitates future growth and troubleshooting efforts?

Question

Options

• Abusiness continuity
• Bhigh availability
• Cmodularity
• Dsecurity

• A
  2% (1)
• B
  4% (2)
• C
  91% (42)
• D
  2% (1)

Explanation

Modularity is correct because breaking a network into distinct, interchangeable blocks (access layer, distribution layer, core layer) means you can expand one section without redesigning the whole network, and you can isolate faults to a specific module during troubleshooting - changes are contained and predictable.

• Business continuity (A) focuses on keeping operations running during disruptions (disaster recovery, backups) - it's about resilience after failure, not structural scalability or troubleshooting efficiency.
• High availability (B) refers to minimizing downtime through redundancy - it ensures uptime but doesn't inherently make the network easier to grow or diagnose.
• Security (D) protects against unauthorized access and threats - important, but unrelated to enabling growth or simplifying fault isolation.

Memory tip: Think of modularity like LEGO bricks - you can add new bricks (growth) or swap out a broken one (troubleshooting) without dismantling the entire structure. If the question mentions "future growth" or "isolating problems," think modularity.

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