Quiz 9 Flashcards
Privately owned networks that connect computing facilities in close proximity are known as ____ networks.
Select one:
a. neighborhood
b. extranet
c. short area
d. local area
e. virtual
d. local area
A network that covers a large geographic distance, such as a state or country, is called a:
Select one:
a. global position network.
b. wide area network.
c. metropolitan area network.
d. large area network.
e. client/server network.
b. wide area network.
The term ____ often refers to any computer on a LAN or the Internet that provides a centralized repository for data and a transfer point through which data traffic flows.
Select one:
a. server
b. client
c. host
d. sneaker
e. router
a. server
A(n) ________ topology features a central connection point for all workstations and peripheral devices.
Select one:
a. tree
b. star
c. ring
d. mesh
e. bus
b. star
Which of the following is NOT true about Ethernet technology?
Select one:
a. CSMA/CD protocol detects collisions and resets the network.
b. Ethernets are difficult to implement and maintain.
c. Fiber-optic and twisted-pair cables may be used.
d. Ethernets are the standard for wired networks.
e. Various transmission rates are available.
b. Ethernets are difficult to implement and maintain.
“Twisted pair” refers to:
Select one:
a. two terminals sharing data files stored on the same computer.
b. interleaving one message with another so they can share the same line.
c. a line of sight method of data transmission.
d. a type of transmission medium.
e. devices connected at both ends of a communication medium to allow computers to transmit data over traditional phone lines.
d. a type of transmission medium.
Data transmission speed is usually measured in:
Select one:
a. bytes per cycle.
b. bits per second.
c. millions of instructions per seconds.
d. pulses per click.
e. messages per day.
b. bits per second.
If two messages collide in an Ethernet network:
Select one:
a. one of the messages will not get delivered.
b. the sending computers each wait a random amount of time before retransmitting their messages.
c. users are informed of this and must re-send their messages.
d. both messages, if small, are put on the same token and delivered.
e. the entire network crashes and must be restarted by the network administrator.
b. the sending computers each wait a random amount of time before retransmitting their messages.
Which of the following is a network architecture developed by IBM, and which is physically wired as a star?
Select one:
a. Ring
b. ARCnet
c. Token-Ring
d. Bus
e. Ethernet
c. Token-Ring
Which of the following is a network topology in which the computers themselves are responsible for sending data along the network?
Select one:
a. passive technology
b. active topology
c. attenuated topology
d. mapped topology
e. inactive topology
b. active topology
Which of the following is a single cable segment used in a bus topology to connect computers in a straight line?
Select one:
a. Layout
b. Star
c. Map
d. Backbone
e. Mesh
d. Backbone
A ____ is most likely to employ a mesh topology.
Select one:
a. MAN
b. LAN
c. DAN
d. WLAN
e. PAN
a. MAN
The range of frequencies that a communications medium can carry is referred to as which of the following?
Select one:
a. Broadband transmission
b. Bend transmission
c. Baseband transmission
d. Bandwidth
e. Braiding
d. Bandwidth
A ____ is anything that carries a signal between a sender and receiver.
Select one:
a. modem
b. radio wave
c. communications medium
d. router
e. microwave
c. communications medium
A ____ cable consists of an inner conductor wire surrounded by insulation, a conductive shield (usually a layer of foil or metal braiding), and a cover.
Select one:
a. fiber-optic
b. satellite
c. twisted pair
d. coaxial
e. microwave
d. coaxial
