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300-820 · Question #2

In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?

The correct answer is D. Cisco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise. In a Cisco MRA deployment, TLS encryption is mandatory on the external leg - from remote endpoints (outside the enterprise) to Expressway-E - and on the traversal zone between Expressway-E and Expressway-C. This covers the full external path: remote endpoints → Expressway-C →…

Mobile and Remote Access

Question

In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?

Options

  • ACisco Expressway-E and endpoints outside the enterprise
  • BCisco Expressway-C, Cisco Unified Communications Manager, and IM&P
  • CCisco Expressway-C, Cisco Expressway-E, and Cisco Unified Communications Manager
  • DCisco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise

How the community answered

(59 responses)
  • A
    5% (3)
  • B
    2% (1)
  • C
    2% (1)
  • D
    92% (54)

Explanation

In a Cisco MRA deployment, TLS encryption is mandatory on the external leg - from remote endpoints (outside the enterprise) to Expressway-E - and on the traversal zone between Expressway-E and Expressway-C. This covers the full external path: remote endpoints → Expressway-C → Expressway-E. Option A is incomplete because it omits the Expressway-C-to-Expressway-E segment. Options B and C are incorrect because they describe only internal segments (CUCM, IM&P), which are not the segments that MRA mandates TLS for. Answer D correctly identifies all three mandatory TLS segments: Expressway-C, Expressway-E, and external endpoints.

Topics

#Mobile and Remote Access (MRA)#TLS encryption#Cisco Expressway-E#Cisco Expressway-C

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