Which of the following is a drawback of Internet telephony?
A) Lack of call forwarding facility
B) Continuously busy lines
C) Higher costs than with telephone networks
D) Poor call quality
Correct Answer:
Verified
Q28: A _ is an information system that
Q33: Google,Bing,and Ask.com are examples of _.
A)directories
B)search engines
C)Web
Q45: The Internet is playing an important role
Q48: Which of the following is also known
Q54: _ directories update their indexes and databases
Q57: Microsoft Internet Explorer (IE),Mozilla Firefox,Google Chrome,Apple Safari,and
Q61: _ is an Internet service for communicating
Q62: A(n) _ is referred as an electronic
Q63: _ are indexes of information based on
Q64: _ e-mail service enables a user to
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