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Exam 7: Networks and Communication Devices

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Question 31

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A network adapter, also called a ____ when it is in the form of an expansion card, is used to connect a computer to a network.

A) network interface card (NIC)
B) powerline card
C) data communications card (DCC)
D) USB

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Question 32

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Define and discuss the advantages of telecommuting.

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The availability of videoconferencing, c...

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Question 33

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One of the key enhancements in ____ is energy efficiency.

The ____ is designed to placeshift multimedia content; that is, to allow individuals to view their multimedia content at a more convenient location.

Describe the star network topology.

____ is typically used with LANs that have a star topology and can be used in conjunction with twisted-pair, coaxial, or fiber-optic cabling.

The term communications, when used in a computer context, refers to ____________________.

____  cables are continually being improved to increase speed. The fastest cables under development today use multiple cores and/or multiple wavelengths to transmit data as fast as 255 Tbps.

In ____________________ transmission, data is sent when it is ready to be sent, without being synchronized.

Both WiGig and ____________________ operate in the 60 GHz frequency band, which allows for faster speeds within a single room.

Some monitoring systems in use today use the RFID tags and RFID readers to monitor the status of objects (such as shipping boxes, livestock, or expensive equipment) to which the RFID tags are attached.

____________________ is a form of robot-assisted surgery, in which a robot controlled by a physician operates on the patient.

Case-Based Critical Thinking Questions Case 7-1 Robert is a medical writer for a pharmaceutical company. The company allows Robert to work from home. Robert's job is a(n) ____ job.

The physical ____________________ of a computer network indicates how the devices in the network are arranged.

Wi-Fi is a wireless standard that was originally designed for very short-range (10 meters, approximately 33 feet, or less) connections. _________________________

Case-Based Critical Thinking Questions Case 7-2 Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network. Gabrielle is planning to connect selected devices to the network wirelessly with a ____.

The most common type of mobile phone is the satellite phone.

A(n) small area network (SAN) is a network that covers a relatively small geographical area, such as a home, an office building, or a school. _________________________

Because there may be many Bluetooth devices within range, up to 10 individual Bluetooth networks (called piconets ) can be in place within the same physical area at one time. _________________________

____ is a proposed Wi-Fi standard; expected to support speeds of more than 2 Gbps.