The External Virtual Router is associated with a dedicated interface. It is considered to be which type of interface?

Question

Options

• APhysical
• BVirtual
• CSymbolic
• DSynchronization
• EWarp

• A
  91% (53)
• C
  3% (2)
• D
  3% (2)
• E
  2% (1)

Explanation

An External Virtual Router (EVR) is bound to a dedicated physical interface because it must connect to external networks through actual hardware - a real network port on the device, not a software abstraction. Option B (Virtual) is wrong because virtual interfaces are software-defined constructs that don't map to a physical port, which is the opposite of what an EVR requires. Options C (Symbolic) and E (Warp) are fabricated terms with no standard meaning in network interface classification. Option D (Synchronization) refers to interfaces used for clock/timing signals, which have nothing to do with routing external traffic.

Memory tip: Think of the word "External" - to truly exit a device and reach outside networks, you need a real, physical door. The EVR uses a physical interface as that door.

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