Implementing and Operating Cisco Collaboration Core Technologies (CLCOR) — Question 271

A company wants to enable secure communications with remote users. Which statement describes the functions of Expressway-E devices in the Cisco collaboration architecture?

Answer options

• A. Expressway-E supports voice calls, video calls, and IM and Presence federation, whereas Cisco Unified Border Element provides only voice and video calls functionality.
• B. Expressway-E supports video calls and IM and Presence federation, whereas Cisco Unified Border Element provides only voice calls and IM and Presence federation functionality.
• C. Expressway-E supports video calls and IM and Presence federation, whereas Cisco Unified Border Element provides only voice calls functionality.
• D. Expressway-E supports voice calls video calls, and IM and Presence federation, whereas Cisco Unified Border Element provides only voice calls functionality.

Correct answer: A

Explanation

The correct answer is A because Expressway-E indeed supports voice calls, video calls, and IM and Presence federation, which distinguishes it from the Cisco Unified Border Element that primarily offers voice and video call capabilities. The other options incorrectly state the functionalities provided by either device, misrepresenting the capabilities of Expressway-E or the Cisco Unified Border Element.