300-070 Question #52: Real Exam Question with Answer & Explanation

The correct answer is A: Cisco Expressway. Cisco Expressway (A) and Cisco TelePresence Video Communication Server (VCS) (E) are essentially the same product family (Expressway is the evolution of VCS), both designed to support rich, multi-protocol dial plans. They natively handle E.164 number formats, H.323 URIs, SIP URIs

Question

Which two Cisco products allow the use of a dial plan with E.164, H.323, SIP, and DNS? (Choose two.)

Options

ACisco Expressway
BCisco Unified Communications Manager
CCisco Unified Border Element
DCisco IM and Presence
ECisco TelePresence Video Communication Server

Explanation

Cisco Expressway (A) and Cisco TelePresence Video Communication Server (VCS) (E) are essentially the same product family (Expressway is the evolution of VCS), both designed to support rich, multi-protocol dial plans. They natively handle E.164 number formats, H.323 URIs, SIP URIs, and DNS-based addressing in a unified dial plan. This multi-protocol flexibility is a core design feature. Cisco Unified Communications Manager (B) primarily uses E.164 and some SIP/DNS but is not designed around H.323 dial plans in the same unified way. CUBE (C) is a session border controller that translates protocols but is not a dial plan engine. Cisco IM and Presence (D) handles presence and instant messaging, not voice/video dial plans.

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