Which two layers are Cisco Unified Communications component layers? (Choose two.)

The correct answer is A. Infrastructure layer D. Endpoints layer. Cisco Unified Communications (UC) architecture is defined in terms of its own functional component layers, which are distinct from the OSI networking model layers. The Cisco UC component model includes layers such as the Infrastructure layer (the underlying IP network…

Endpoints

Question

Options

AInfrastructure layer
BData link layer
CNetwork layer
DEndpoints layer
ETransport layer

How the community answered

(33 responses)

A
91% (30)
B
3% (1)
C
6% (2)

Explanation

Cisco Unified Communications (UC) architecture is defined in terms of its own functional component layers, which are distinct from the OSI networking model layers. The Cisco UC component model includes layers such as the Infrastructure layer (the underlying IP network, switches, routers, and QoS policies that carry voice and video traffic), the Call Processing/Signaling layer, the Applications layer, and the Endpoints layer (IP phones, video endpoints, soft clients, and other devices users interact with directly). Options B (Data link), C (Network), and E (Transport) are OSI model layers - they describe how data is transmitted across a network, not how Cisco UC components are logically organized. The question asks specifically about Cisco UC component layers, making A and D the correct answers.

Topics

#UC architecture#infrastructure layer#endpoints layer#component layers

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