What are two functions of Cisco Expressway in the Collaboration Edge? (Choose two)

Question

Options

• AExpressway-E provides a VPN entry point for Cisco IP phones with a Cisco AnyConnect client
• BExpressway-C provides encryption for Mobile and Remote Access but not for business-to-
• CThe Expressway-C and Expressway-E pair can interconnect H.323-to-SIP calls for voice.
• DThe Expressway-C and Expressway-E pair can enable connectivity from the corporate network to
• EExpressway-E provides a perimeter network that separates the enterprise network from the

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

Explanation

Cisco Expressway serves two key roles in Collaboration Edge. First, Expressway supports protocol interworking, allowing it to interconnect H.323 endpoints with SIP endpoints - translating signaling between the two protocols for voice and video calls. Second, Expressway-E is deployed in the DMZ and acts as the security perimeter between the internal enterprise network and the internet, enabling firewall traversal for Mobile and Remote Access (MRA) without requiring a VPN client. Option A is incorrect because Expressway does not function as a VPN concentrator; it uses firewall traversal (ICE/TURN), not VPN. Option B is incorrect because Expressway-C handles internal-side traversal, not encryption for MRA on its own.

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