ch.10 quiz
Robert Metcalfe
Who invented the Ethernet?
bandwidth should be high and latency low
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?
electrical disturbances
In reference to computer communications, what does the term noise mean?
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?
A file sharing network
What is another term for an Internet peer-to-peer network?
host computers
What is another term for servers that control access to the hardware, software, and other network resources?
a standard that outlines characteristics of how two network devices communicate
What is the definition of a protocol, as it applies to networks?
to provide a central point for cables in a network
What is the purpose of hubs and switches?
router
What is the term for a communications device that connects multiple computers together and transmits data to its correct destination on a network?
node
What is the term used to connect a device to a network that has an IP address?
modem
What kind of communications device sends and receives data and information to and from a digital line, such as ISDN and cable?
latency
What term is used to describe the time it takes a signal to travel from one location to another on a network?
star network
Which network type connects each computer and device to a central device?
microwave
Which of the following are radio waves that provide a high-speed signal transmission?
transmits at fast speeds on existing standard copper telephone wiring; popular for small business or home user
Which of the following best describes DSL connections?
NIC
Which of the following can be avoided if a computer or mobile device has a motherboard that integrates networking capability?
IR
Which of the following communications technologies does not use broadcast radio signals?
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
NIC
Which of the following enables a computer or device that does not have built-in networking capability to access a network?
UWB
Which of the following has the fastest maximum transfer transmission rate?
ATM
Which of the following has the fastest transfer rate?
FTTP
Which of the following has the fastest transfer rate?
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?
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?
UWB
Which of the following is not a technology used by hot spots
Email, FTP, and VoIP are examples of system software for communications.
Which of the following is not true of communications software?
The bus itself might become inoperable.
Which of the following is the greatest problem with regard to a bus network?
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?
bluetooth
Which of the following offers an alternative to infrared communications with high bandwidth transmissions?
a set of wearable or implanted body sensors that turns the body into a human router
Which of the following statements best describes a BAN?
Even if two products are Wi-Fi Certified, they must share the same platform in order to communicate.
Which of the following statements is not true of Wi-Fi?
NFC
Which of the following technologies is your new mobile phone payment device most likely to use?
IrDA
Which of the following technologies is your new remote control most likely to use?
broadband
What type of media transmits multiple signals simultaneously?
RFID
About which of the following do privacy advocates worry can destroy a person's anonymity?
home network
Many home users are connecting multiple computers and devices together into a system. What is the name for this system?
fixed wireless
Microwave transmission involves sending signals from one microwave station to another. What is this often called?
ATM
You are a technology expert and you have been asked to predict which technology will become the Internet standard for data transmission, replacing T3 lines. Which of the following are you most likely to predict?
generation
You are purchasing a new mobile phone, and are learning about categories of cellular transmissions. You ask the sales person what the 'G' stands for in the categories 1G, 2G, 3G, and 4G. What does he reply?
UWB
You love to take pictures of your family. What standard do you use to print pictures directly from your camera?
VAN
You own a third-party business that provides networking services such as EDI, secure data and information transfer, storage, and email. Into what category of business does this business fall?
star network
You run a large network in which it is important to keep a duplicate of the central devices in case the primary one fails. What category of network topology does this network use?
PAN
Your smartphone, digital camera, and printer are all part of a network in your workspace. What type of network is likely in use
sending device
a device that initiates an instruction to transmit data, instructions, or information
NIC
enables a computer or device that does not have built-in networking capability to access a network?
star network
which network type connects each computer and device to a central device?
