Into which two pieces of information does the LISP protocol split the device identity? (Choose two.)

Question

Options

• ARouting Locator
• BEndpoint Identifier
• CResource Location
• DEnterprise Identifier
• ELISP ID
• FDevice ID

• A
  94% (30)
• D
  3% (1)
• F
  3% (1)

Explanation

LISP Protocol: Device Identity Split

LISP (Locator/ID Separation Protocol) fundamentally separates device identity into two distinct components: the Routing Locator (RLOC), which identifies where a device is located in the network topology (its attachment point), and the Endpoint Identifier (EID), which identifies who the device is regardless of its location. This separation solves the dual-role problem in traditional IP addressing, where a single IP address must serve both purposes simultaneously.

The remaining options are incorrect because they are fabricated terms not defined in the LISP protocol specification: Resource Location (C), Enterprise Identifier (D), LISP ID (E), and Device ID (F) do not exist as LISP components and are simply distractors designed to test whether candidates know the precise terminology.

Memory Tip: Think of it like a postal system - your EID is your name (who you are), and your RLOC is your street address (where you are). LISP keeps these two pieces of information separate, just like you remain "you" even when you move to a new address. Remember "RE" - Routing locator + Endpoint identifier = LISP's two-piece identity split.

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