CIS 105 exam 3 Questions and Answers 100% Pass

CIS 105 exam 3 Questions and Answers
100% Pass

One of the most dramatic changes in connectivity and communications in the past few years has

been ________ - ANSWER-A) Widespread use of mobile devices with wireless internet

connectivity




Question: in a communication system, which among the following originate and accept messages

in the form of data, information, and/or instructions? - ANSWER-B) sending and receiving

devices




Question: in a communication system, which among the following convert messages into

packets that can travel across the communication channel? - ANSWER-A) connection devices




Question: which physical connection is the fastest? - ANSWER-C) fiber-optic cable




Question: which among the following is considered a line of sight communication medium? -

ANSWER-D) microwave

, Question: wimax stands for _________ - ANSWER-C) worldwide interoperability for

microwave access




Question: microwave communication uses high frequency ________ - ANSWER-A) radio

waves




Question: LTE stands for - ANSWER-A) long term evolution




Question: the GPS device in an automobile uses which communication channel? - ANSWER-D)

satellite




Question: A service that uses existing phone lines to provide high speed connections is called

_______ - ANSWER-D) DSL




Question: cellular services use _______ to provide wireless connectivity to the internet. -

ANSWER-D) 3G and 4G cellular networks




Question: the capacity of a communication channel is measured in _______ - ANSWER-A)

bandwidth




Question: using this type of communication channel, several users can simultaneously use a

single connection for high speed data transfer. - ANSWER-C) broadband