N10-005 Question #487: Real Exam Question with Answer & Explanation

The correct answer is D: Virtual PBX. A PBX (Private Branch Exchange) is the phone switching system that manages internal and external calls for a business. A Virtual PBX (also called a hosted or cloud PBX) means the PBX hardware and software are hosted off-site-in this case at the telephone company-rather than on th

Question

A network technician visits a site that needs voice connectivity to the corporate office and installs four IP phones. The phone exchange resides at the telephone company. Which of the following technologies is being used?

Options

AVirtual switch
BVirtual server
CVirtual desktop
DVirtual PBX

Explanation

A PBX (Private Branch Exchange) is the phone switching system that manages internal and external calls for a business. A Virtual PBX (also called a hosted or cloud PBX) means the PBX hardware and software are hosted off-site-in this case at the telephone company-rather than on the customer's premises. The IP phones at the client site connect to this remote exchange over the network. Virtual server, virtual switch, and virtual desktop are unrelated virtualization technologies that do not describe hosted telephony services.

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