COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A network system that carry telephone calls over the data networks and Internet.
A
Hardware firewalls
B
VoIP
C
Server
D
WAP
Explanation: 

Detailed explanation-1: -VoIP services convert your voice into a digital signal that travels over the Internet. If you are calling a regular phone number, the signal is converted to a regular telephone signal before it reaches the destination.

Detailed explanation-2: -For example, users that sign up for a VoIP service deployed at home or in the office that uses the existing phones will need ATAs or Analog Telephone Adapters. These adapters act as an interface between an analog PSTN phone and a digital VoIP line.

Detailed explanation-3: -A VoIP phone is any phone that uses an internet connection to make and receive calls instead of traditional landlines. Instead of a traditional “hard-wired” phone that uses direct connect copper wires to provide telephone service, a VoIP phone gives you greater mobility, interoperability, and connectivity.

Detailed explanation-4: -A VoIP phone system is a technology to make phone calls through your internet connection instead of a regular landline or a mobile network. A VoIP system converts analog voice signals into digital signals over your broadband connection. A VoIP server is used to connect calls to other telephone networks.

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