MIS chapter 10

wide area network

As shown in the accompanying figure, what is the term for a network that covers a large geographic area, such as a city, country, or the world, using a variety of wired and wireless transmission media?

ring

As shown in the accompanying figure, which of the following kinds of networks is a network topology in which a cable forms a closed loop, with all computers and devices arranged along it?

networks

Digital communications describes a process in which two or more computers or devices transfer all of the following EXCEPT ____

bandwidth should be high to low latency

For best performance of a communications channel, which of the following should be true?

router

For smaller business and home networks, which of the following allows multiple computers to share a single broadband Internet connection such as through a cable modem or DSL modem?

325

How many feet can the range of Bluetooth devices be extended with additional equipment

more than 200

How many wired and/or wireless computers and mobile devices might a router be able to connect?

only that node is affected

On a network such as the one illustrated in the accompanying figure, if one node fails, as long as that node is not providing services to other nodes on the network, what happens?

dedicated

On a network such as the one illustrated in the accompanying figure, some servers perform a specific task and can be placed with other servers to perform multiple tasks. What are these kind of servers call?

host

On a network such as the one illustrated in the accompanying figure, what kind of computer controls access to the hardware, software, and other resources on the network and provides a centralized storage area for programs, data, and information?

client/server

On what kind of network, such as that illustrated in the accompanying figure, do one or more computers act as a server and the other computers on the network request services from the server?

bandwidth

The amount of data, instructions, and information that can travel over communications channel sometimes is called which of the following?

network architecture

The design of computers, devices, and media in a network is categorized as either client/server or peer-to-peer. What is the term used to refer to this characterization?

P2P

The type of network shown in the accompanying figure, describes a network in which each computer has equal responsibilities and capabilities. What is this kind of network called?

uplink

Transmission from an earth-based station to a satellite is an

electronic funds transfer

What does EFT stand for?

24 Mbps

What is the maximum transfer transmission rate for Bluetooth?

IEEE

Which group developed the WiMAX standard

NIC

Which of the following can be avoided if a computer or mobile device has a motherboard that integrates networking capability?

packet sniffer software

Which of the following can detect problems—such as why traffic is flowing slowly—on networks that use the TCP/IP protocol?

NFC

Which of the following defines how a network uses close-range radio signals to communicate between two devices or objects equipped with this technology?

bluetooth

Which of the following did Sven Mattisson and Jaap Haartsen invent?

network card

Which of the following enables a computer or device that does not have built-in networking capability to access a network?

ATM

Which of the following has the fastest transfer rate?

FTTP

Which of the following has the fastest transfer rate?

WLAN

Which of the following is a LAN that uses no physical wires

wireless access point

Which of the following is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to transfer data wirelessly to a wired network?

Ethernet

Which of the following is a network standard that specifies no central computer or device on the network should control when data can be transmitted?

peer-to-peer networks

Which of the following is a simple, inexpensive network that typically connects fewer than 10 computers?

communications channel

Which of the following is a transmission media on which data, instructions, or information travel?

broadcast radio

Which of the following is a wireless transmission medium that distributes radio signals through the air over long distances?

microwave station

Which of the following is an earth-based reflective dish that contains the antenna, transceivers, and other equipment necessary for microwave communications?

fixed wireless

Which of the following is not an application of communications satellite technology?

Mbps

Which of the following is the data transfer rate equivalent to one million bits per second?

peer-to-peer

Which of the following is the least likely technology PANs would use?

2.56 tbps

Which of the following is the maximum transfer transmission rate for communications satellites?

It is a popular digital line alternative for the small business or home user

Which of the following is true of DSL?

it is slower and more suspectable to noise

Which of the following is true of broadcast radio with regard to physical transmission media?

It can span a larger distance than a bus network, but it is more difficult

Which of the following is true of the installation of a network like the one shown in the accompanying figure?

coaxial

Which of the following kinds of cable consists of a single copper wire surrounded by at least three layers: an insulating material, a woven or braided metal, and a plastic outer coating?

communications

Which of the following kinds of devices is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device?

broadband

Which of the following kinds of modems is a modem that sends and receives digital data over and information to and from a digital line?

UWB

Which of the following technologies is your new inventory tracking system at your small business most likely to use?

Wi-Fi

Which of the following terms identifies any network based on the 802.11 family of standards?

latency

Which of the following terms is the time it takes a signal to travel from one location to another on a network?

true

t/f The fifth generation of cellular transmissions is expected to provide artificial intelligence capabilities on wearable devices.

false

t/f Transmission from a satellite to an earth-based station is called an uplink.

false

t/f When users log off a P2P network like the one in the accompanying figure, other users still can access their hard disks

which statement best describes how the RFID standard works

the network uses radio signals to communicate with a tag placed in or attached to an object, animal, or person

star network

You run a large network in which it is important to keep a duplicate of the central device in case the primary one fails. What category of network topology does this network use?

receiving device

accepts the transmission of data, instructions, or information