When selecting core layer equipment for an enterprise wide area bearer network, which of the following factors does not need to be considered?

Question

Options

• APhysical location
• BBusiness volume
• CNumber of nodes
• DDevice naming rules

• A
  12% (6)
• B
  8% (4)
• C
  4% (2)
• D
  76% (39)

Explanation

Device naming rules (D) are an administrative/operational convention that can be applied or changed at any time without affecting equipment selection decisions - they have no bearing on which hardware to choose or how to size it.

Why the other options do matter:

• Physical location (A) determines environmental requirements (temperature, humidity, rack space), power constraints, and cabling distances that directly influence which chassis and port types are viable.
• Business volume (B) drives throughput and forwarding capacity requirements - underestimating traffic means choosing underpowered equipment that will bottleneck the network.
• Number of nodes (C) affects the routing table size, control plane load, and interface count needed, all of which are hardware-selection criteria.

Memory tip: Think of the three correct factors as physical reality constraints (location), traffic reality constraints (volume), and topology reality constraints (nodes) - all things that are fixed by the environment and cannot be changed after the fact. Naming rules, by contrast, are a purely logical/administrative decision made after equipment is chosen and can be revised freely.

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