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H19-410_V1.0 · Question #318

Bare fiber optic networking using switches cannot meet the development needs of the network.

The correct answer is A. True. Bare fiber optic cabling paired only with switches provides purely Layer 2 (data link layer) connectivity, which lacks the routing, segmentation, security, and management capabilities that modern networks require as they grow and evolve. Switches can forward frames within the…

Transmission Network Fundamentals

Question

Bare fiber optic networking using switches cannot meet the development needs of the network.

Options

  • ATrue
  • BFalse

How the community answered

(31 responses)
  • A
    77% (24)
  • B
    23% (7)

Explanation

Bare fiber optic cabling paired only with switches provides purely Layer 2 (data link layer) connectivity, which lacks the routing, segmentation, security, and management capabilities that modern networks require as they grow and evolve. Switches can forward frames within the same network segment, but without routers and higher-layer devices, there is no inter-network routing, VLAN policy enforcement, quality of service, or centralized management - all of which are essential for network development and expansion. Option B (False) is incorrect because, while fiber optic media offers high bandwidth and low latency, the physical medium alone does not compensate for the missing logical and control-plane functions that a complete network infrastructure demands.

Memory tip: Think of fiber + switches as the "highway and on-ramps" - you still need traffic signals, maps, and control systems (routers, firewalls, management planes) to actually run a functional, scalable network. If switches are all you have, the traffic has nowhere meaningful to go.

Topics

#Bare fiber optics#Transmission architecture#Network limitations#Carrier transmission

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