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Two types of transmission media recently gaining in popularity in
business communications are __________ connections and fiber optic cables.
The antenna systems on or near the earth are referred to as earth _________ .
Four categories of virtualization are: operating system virtualization, server
virtualization, storage virtualization and __________ virtualization.
The wavelength of an analog signal is:
A. the distance traveled by the wave in the time defined by its period
B. the distance traveled by the wave in one second
C. the period of the wave
D. the amplitude of the wave
An architecture where multiple computers provide database functions, file services,
printing services, and other specialized functions on a shared basis for many users is
called a _____________ architecture.
The four forms of information used by modern information systems are voice, data,
image, and video.
When two or more computers are interconnected via a communication network, the set
of computer stations is referred to as a "computer connection".
Stop-and-wait is the simplest form of flow control.
The IEEE 802.11 MAC layer covers three functional areas: reliable data
delivery, access control, and _________.
Except for digital cellular telephones, copper wire is required for digital transmission.
Transmissions from the satellite to the earth station are __________.
In a circuit switching network, the path that will be used through the network is
determined prior to any data transfer.
________ is the protocol used for transfer of mail from a user agent to an MTA and
from one MTA to another.
VLANs provide the ability for any organization to be physically dispersed throughout
the company while maintaining its group identity.
A __________ is a mobile device that mobile workers can use as a personal information
manager.
Even for large companies, isolated personal computers are often more than sufficient
for current computer based tasks.
